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U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system Sec7 Nov 2014 U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system, United States

Text

Entity

entityName THE BANK OF NEW YORK MELLON CORPORATION
Cik 1390777
Form 10-Q
Filed 2014-11-07
Fp Q3
Fy 2014
Accn 0001445305-14-004959

Facts up to 2014-09-30

  1. Description Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
    Fact EntityCommonStockSharesOutstanding
    Frame CY2014Q3I
    Label Entity Common Stock, Shares Outstanding
    Taxonomy dei
    Unit shares
    Val 1,125,709,682
  2. Description The cash inflow from the additional capital contribution to the entity.
    Fact ProceedsFromIssuanceOfCommonStock
    Label Proceeds from Issuance of Common Stock
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 20,000,000
  3. Description Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).
    Fact MinorityInterestDecreaseFromRedemptions
    Label Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 31,000,000
  4. Description Amount of cash (inflow) outflow from investing activities classified as other.
    Fact PaymentsForProceedsFromOtherInvestingActivities
    Label Payments for (Proceeds from) Other Investing Activities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -3,543,000,000
  5. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Label Earnings Per Share, Diluted
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.97
  6. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Label Earnings Per Share, Diluted
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.93
  7. Description Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 459,000,000
  8. Description Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -38,000,000
  9. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Label Income Tax Expense (Benefit)
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,005,000,000
  10. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Label Income Tax Expense (Benefit)
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 556,000,000
  11. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,168,000,000
  12. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 721,000,000
  13. Description Amount of obligation to return securities collateral under master netting arrangements that have not been offset against securities purchased under agreement to resell.
    Fact SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities
    Frame CY2014Q3I
    Label Securities Purchased under Agreements to Resell, Collateral, Obligation to Return Securities
    Taxonomy us-gaap
    Unit USD
    Val 8,802,000,000
  14. Description Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
    Label Impaired Financing Receivable, with Related Allowance, Average Recorded Investment
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 28,000,000
  15. Description Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
    Label Impaired Financing Receivable, with Related Allowance, Average Recorded Investment
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 25,000,000
  16. Description Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact PreferredStockValue
    Frame CY2014Q3I
    Label Preferred Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 1,562,000,000
  17. Description The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.
    Fact IncreaseDecreaseInDeposits
    Label Increase (Decrease) in Deposits
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,442,000,000
  18. Description Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesSoldUnderAgreementsToRepurchase
    Frame CY2014Q3I
    Label Securities Sold under Agreements to Repurchase
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  19. Description Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
    Frame CY2014Q3I
    Label Finite-Lived Intangible Asset, Expected Amortization, Year Three
    Taxonomy us-gaap
    Unit USD
    Val 241,000,000
  20. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact Goodwill
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 17,992,000,000
  21. Description Amount, after troubled debt restructuring, of modified financing receivable.
    Fact FinancingReceivableModificationsPostModificationRecordedInvestment2
    Label Financing Receivable, Troubled Debt Restructuring, Postmodification
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  22. Description Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fact DerivativeFairValueOfDerivativeAsset
    Frame CY2014Q3I
    Label Derivative Asset, Fair Value, Gross Asset
    Taxonomy us-gaap
    Unit USD
    Val 23,127,000,000
  23. Description Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.
    Fact TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests
    Frame CY2014Q3I
    Label Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests
    Taxonomy us-gaap
    Unit USD
    Val 246,000,000
  24. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.
    Fact EffectiveIncomeTaxRateReconciliationTaxExemptIncome
    Label Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.03
  25. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -97,000,000
  26. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -591,000,000
  27. Description Amount of cash outflow through purchase of long-term held-to-maturity securities.
    Fact PaymentsToAcquireHeldToMaturitySecurities
    Label Payments to Acquire Held-to-maturity Securities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,132,000,000
  28. Description Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact GoodwillTranslationAndPurchaseAccountingAdjustments
    Label Goodwill, Translation and Purchase Accounting Adjustments
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -120,000,000
  29. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  30. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  31. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 20,000,000
  32. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  33. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fact NetCashProvidedByUsedInFinancingActivities
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 7,411,000,000
  34. Description Amount of cash inflow (outflow) for debt classified as other.
    Fact ProceedsFromRepaymentsOfOtherDebt
    Label Proceeds from (Repayments of) Other Debt
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 275,000,000
  35. Description Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
    Frame CY2014Q3I
    Label Finite-Lived Intangible Asset, Expected Amortization, Year Four
    Taxonomy us-gaap
    Unit USD
    Val 216,000,000
  36. Description Number of financing receivables that have been modified by troubled debt restructurings.
    Fact FinancingReceivableModificationsNumberOfContracts2
    Label Financing Receivable, Modifications, Number of Contracts
    Start 2014-07-01
    Taxonomy us-gaap
    Unit Contract
    Val 27
  37. Description Amount of Net Income (Loss) attributable to noncontrolling interest.
    Fact NetIncomeLossAttributableToNoncontrollingInterest
    Label Net Income (Loss) Attributable to Noncontrolling Interest
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 60,000,000
  38. Description Amount of Net Income (Loss) attributable to noncontrolling interest.
    Fact NetIncomeLossAttributableToNoncontrollingInterest
    Label Net Income (Loss) Attributable to Noncontrolling Interest
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 23,000,000
  39. Description The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
    Label Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,399,000,000
  40. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Label Deferred Income Tax Expense (Benefit)
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -510,000,000
  41. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to lease expense.
    Fact EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLeases
    Label Effective Income Tax Rate Reconciliation, Nondeductible Expense, Leases, Percent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  42. Description The aggregate expense incurred on federal funds purchased and securities sold under agreements to repurchase. If amounts recognized as payables under repurchase agreements have been offset against amounts recognized as receivables under reverse repurchase agreements and reported as a net amount on the balance sheet, the income and expense from these agreements may be reported on a net basis.
    Fact InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase
    Label Interest Expense, Federal Funds Purchased and Securities Sold under Agreements to Repurchase
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -11,000,000
  43. Description The aggregate expense incurred on federal funds purchased and securities sold under agreements to repurchase. If amounts recognized as payables under repurchase agreements have been offset against amounts recognized as receivables under reverse repurchase agreements and reported as a net amount on the balance sheet, the income and expense from these agreements may be reported on a net basis.
    Fact InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase
    Label Interest Expense, Federal Funds Purchased and Securities Sold under Agreements to Repurchase
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -4,000,000
  44. Description Amount after tax of other comprehensive income (loss) attributable to parent entity.
    Fact OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
    Label Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -24,000,000
  45. Description Amount after tax of other comprehensive income (loss) attributable to parent entity.
    Fact OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
    Label Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -514,000,000
  46. Description Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
    Frame CY2014Q3I
    Label Finite-Lived Intangible Asset, Expected Amortization, Year One
    Taxonomy us-gaap
    Unit USD
    Val 300,000,000
  47. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 12,000,000
  48. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 10,000,000
  49. Description Amount, before troubled debt restructuring, of financing receivable to be modified.
    Fact FinancingReceivableModificationsPreModificationRecordedInvestment2
    Label Financing Receivable, Troubled Debt Restructuring, Premodification
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  50. Description Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 9,000,000
  51. Description Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 6,000,000
  52. Description Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 336,000,000
  53. Description Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -9,000,000
  54. Description Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.
    Fact TreasuryStockShares
    Frame CY2014Q3I
    Label Treasury Stock, Shares
    Taxonomy us-gaap
    Unit shares
    Val 160,960,855
  55. Description Amount of financing receivable on nonaccrual status.
    Fact FinancingReceivableRecordedInvestmentNonaccrualStatus
    Frame CY2014Q3I
    Label Financing Receivable, Nonaccrual
    Taxonomy us-gaap
    Unit USD
    Val 143,000,000
  56. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
    Frame CY2014Q3I
    Label Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
    Taxonomy us-gaap
    Unit USD
    Val 29,326,000,000
  57. Description Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  58. Description Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on trading securities and other forms of securities that provide ownership interests.
    Fact InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue
    Label Interest and Dividend Income, Securities, Operating, Trading or Measured at Fair Value
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 95,000,000
  59. Description Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on trading securities and other forms of securities that provide ownership interests.
    Fact InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue
    Label Interest and Dividend Income, Securities, Operating, Trading or Measured at Fair Value
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 32,000,000
  60. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).
    Fact DividendsPreferredStock
    Label Dividends, Preferred Stock
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 49,000,000
  61. Description Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -37,000,000
  62. Description Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -12,000,000
  63. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,285,000,000
  64. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,070,000,000
  65. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 595,000,000
  66. Description The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
    Fact ProfitLoss
    Label Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,394,000,000
  67. Description The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
    Fact ProfitLoss
    Label Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,106,000,000
  68. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Label Other Noninterest Expense
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 820,000,000
  69. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Frame CY2014Q3
    Label Other Noninterest Expense
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 250,000,000
  70. Description Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableNetOfDeferredIncome
    Frame CY2014Q3I
    Label Loans and Leases Receivable, Net of Deferred Income
    Taxonomy us-gaap
    Unit USD
    Val 57,527,000,000
  71. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fact AmortizationOfIntangibleAssets
    Label Amortization of Intangible Assets
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 225,000,000
  72. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fact AmortizationOfIntangibleAssets
    Frame CY2014Q3
    Label Amortization of Intangible Assets
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 75,000,000
  73. Description The aggregate interest income earned from (1) the lending of excess federal funds to another commercial bank requiring such for its legal reserve requirements and (2) securities purchased under agreements to resell.
    Fact InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell
    Label Interest Income, Federal Funds Sold and Securities Purchased under Agreements to Resell
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 60,000,000
  74. Description The aggregate interest income earned from (1) the lending of excess federal funds to another commercial bank requiring such for its legal reserve requirements and (2) securities purchased under agreements to resell.
    Fact InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell
    Label Interest Income, Federal Funds Sold and Securities Purchased under Agreements to Resell
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 24,000,000
  75. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTax
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,310,000,000
  76. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTax
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 569,000,000
  77. Description Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
    Frame CY2014Q3I
    Label Impaired Financing Receivable, with No Related Allowance, Recorded Investment
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  78. Description Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.
    Fact PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged
    Frame CY2014Q3I
    Label Pledged Financial Instruments, Not Separately Reported, Securities
    Taxonomy us-gaap
    Unit USD
    Val 75,000,000,000
  79. Description Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.
    Fact DerivativeAssetNotSubjectToMasterNettingArrangement
    Frame CY2014Q3I
    Label Derivative Asset, Not Subject to Master Netting Arrangement
    Taxonomy us-gaap
    Unit USD
    Val 3,303,000,000
  80. Description Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.
    Fact ImpairedFinancingReceivableInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, Interest Income, Accrual Method
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  81. Description Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.
    Fact ImpairedFinancingReceivableInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, Interest Income, Accrual Method
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  82. Description Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.
    Fact DerivativeInstrumentsInHedgesAssetsAtFairValue
    Frame CY2014Q3I
    Label Derivative Instruments in Hedges, Assets, at Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 777,000,000
  83. Description Fair value, after effects of master netting arrangements, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fact DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
    Frame CY2014Q3I
    Label Derivative Asset, Fair Value, Amount Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 17,141,000,000
  84. Description Fees paid to an agent employed by a corporation or mutual fund to maintain shareholder records, including purchases, sales, and account balances. Also includes custodian fees incurred during an accounting period from an agent, bank, trust company, or other organization that holds and safeguards an individual's, mutual fund's, or investment company's assets for them. These fees will be billed back to the client and are a component of noninterest expense.
    Fact NoninterestExpenseTransferAgentAndCustodianFees
    Label Noninterest Expense Transfer Agent and Custodian Fees
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 216,000,000
  85. Description Fees paid to an agent employed by a corporation or mutual fund to maintain shareholder records, including purchases, sales, and account balances. Also includes custodian fees incurred during an accounting period from an agent, bank, trust company, or other organization that holds and safeguards an individual's, mutual fund's, or investment company's assets for them. These fees will be billed back to the client and are a component of noninterest expense.
    Fact NoninterestExpenseTransferAgentAndCustodianFees
    Frame CY2014Q3
    Label Noninterest Expense Transfer Agent and Custodian Fees
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 67,000,000
  86. Description Nominal or face amount used to calculate payments on a nonderivative instrument.
    Fact NotionalAmountOfNonderivativeInstruments
    Label Notional Amount of Nonderivative Instruments
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 551,000,000
  87. Description Amount of obligation to return securities collateral under master netting arrangements that have not been offset against securities borrowed.
    Fact SecuritiesBorrowedCollateralObligationToReturnSecurities
    Frame CY2014Q3I
    Label Securities Borrowed, Collateral, Obligation to Return Securities
    Taxonomy us-gaap
    Unit USD
    Val 8,239,000,000
  88. Description The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
    Label Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 185,000,000
  89. Description Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
    Fact StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
    Frame CY2014Q3I
    Label Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
    Taxonomy us-gaap
    Unit USD
    Val 39,352,000,000
  90. Description Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends.
    Fact WeightedAverageNumberOfSharesRestrictedStock
    Label Weighted Average Number of Shares, Restricted Stock
    Start 2014-01-01
    Taxonomy us-gaap
    Unit shares
    Val 12,835,000
  91. Description Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends.
    Fact WeightedAverageNumberOfSharesRestrictedStock
    Label Weighted Average Number of Shares, Restricted Stock
    Start 2014-07-01
    Taxonomy us-gaap
    Unit shares
    Val 12,882,000
  92. Description Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 55,000,000
  93. Description Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 19,000,000
  94. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 288,000,000
  95. Description The balance of financing receivables that were individually evaluated for impairment.
    Fact FinancingReceivableIndividuallyEvaluatedForImpairment
    Label Financing Receivable, Individually Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 25,000,000
  96. Description The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.
    Fact CapitalizedComputerSoftwareNet
    Frame CY2014Q3I
    Label Capitalized Computer Software, Net
    Taxonomy us-gaap
    Unit USD
    Val 1,326,000,000
  97. Description Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockParOrStatedValuePerShare
    Frame CY2014Q3I
    Label Preferred Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.01
  98. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities exempt from state, federal and other income tax.
    Fact InterestIncomeSecuritiesTaxExempt
    Label Interest Income, Securities, Operating, Tax Exempt
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 78,000,000
  99. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities exempt from state, federal and other income tax.
    Fact InterestIncomeSecuritiesTaxExempt
    Label Interest Income, Securities, Operating, Tax Exempt
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 24,000,000
  100. Description Aggregate amount of interest paid or due on all long-term debt.
    Fact InterestExpenseLongTermDebt
    Label Interest Expense, Long-term Debt
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 173,000,000
  101. Description Aggregate amount of interest paid or due on all long-term debt.
    Fact InterestExpenseLongTermDebt
    Label Interest Expense, Long-term Debt
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 58,000,000
  102. Description Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -92,000,000
  103. Description Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -31,000,000
  104. Description Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.
    Fact EffectOfExchangeRateOnCashAndCashEquivalents
    Label Effect of Exchange Rate on Cash and Cash Equivalents
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -100,000,000
  105. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 10,000,000
  106. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  107. Description Amount of financing receivable past due.
    Fact FinancingReceivableRecordedInvestmentPastDue
    Frame CY2014Q3I
    Label Financing Receivable, Past Due
    Taxonomy us-gaap
    Unit USD
    Val 395,000,000
  108. Description Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.
    Fact InterestIncomeExpenseAfterProvisionForLoanLoss
    Label Interest Income (Expense), after Provision for Loan Loss
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,217,000,000
  109. Description Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.
    Fact InterestIncomeExpenseAfterProvisionForLoanLoss
    Label Interest Income (Expense), after Provision for Loan Loss
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 740,000,000
  110. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Label Labor and Related Expense
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,427,000,000
  111. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Frame CY2014Q3
    Label Labor and Related Expense
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,477,000,000
  112. Description Amount of unrecognized tax benefits.
    Fact UnrecognizedTaxBenefits
    Frame CY2014Q3I
    Label Unrecognized Tax Benefits
    Taxonomy us-gaap
    Unit USD
    Val 811,000,000
  113. Description The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.
    Fact ProceedsFromSaleOfAvailableForSaleSecurities
    Label Proceeds from Sale of Available-for-sale Securities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 25,253,000,000
  114. Description Amount of obligation to return cash collateral under master netting arrangements that have not been offset against securities purchased under agreement to resell.
    Fact SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash
    Frame CY2014Q3I
    Label Securities Purchased under Agreements to Resell, Collateral, Obligation to Return Cash
    Taxonomy us-gaap
    Unit USD
    Val 0
  115. Description Business development involves the development of products and services, their delivery, design and their implementation. Business development includes a number of techniques designed to grow an economic enterprise. Such techniques include, but are not limited to, assessments of marketing opportunities and target markets, intelligence gathering on customers and competitors, generating leads for possible sales, follow-up sales activity, formal proposal writing and business model design. Business development involves evaluating a business and then realizing its full potential, using such tools as marketing, sales, information management and customer service.
    Fact BusinessDevelopment
    Label Business Development
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 193,000,000
  116. Description Business development involves the development of products and services, their delivery, design and their implementation. Business development includes a number of techniques designed to grow an economic enterprise. Such techniques include, but are not limited to, assessments of marketing opportunities and target markets, intelligence gathering on customers and competitors, generating leads for possible sales, follow-up sales activity, formal proposal writing and business model design. Business development involves evaluating a business and then realizing its full potential, using such tools as marketing, sales, information management and customer service.
    Fact BusinessDevelopment
    Frame CY2014Q3
    Label Business Development
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 61,000,000
  117. Description Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
    Label Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  118. Description Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
    Label Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  119. Description Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -475,000,000
  120. Description Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -589,000,000
  121. Description Amount of right to receive cash collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase.
    Fact SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash
    Frame CY2014Q3I
    Label Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Cash
    Taxonomy us-gaap
    Unit USD
    Val 0
  122. Description Amount of assets classified as other.
    Fact OtherAssets
    Frame CY2014Q3I
    Label Other Assets
    Taxonomy us-gaap
    Unit USD
    Val 21,523,000,000
  123. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fact NoninterestIncome
    Label Noninterest Income
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 9,775,000,000
  124. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fact NoninterestIncome
    Label Noninterest Income
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 3,867,000,000
  125. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
    Frame CY2014Q3I
    Label Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10
    Taxonomy us-gaap
    Unit USD
    Val 4,458,000,000
  126. Description Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
    Frame CY2014Q3I
    Label Finite-Lived Intangible Asset, Expected Amortization, Year Two
    Taxonomy us-gaap
    Unit USD
    Val 269,000,000
  127. Description Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount
    Frame CY2014Q3I
    Label Debt Securities, Held-to-Maturity, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One
    Taxonomy us-gaap
    Unit USD
    Val 154,000,000
  128. Description Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -432,000,000
  129. Description Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -505,000,000
  130. Description Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
    Fact InterestPaidNet
    Label Interest Paid, Excluding Capitalized Interest, Operating Activities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 291,000,000
  131. Description Financing receivables that are less than 90 days past due but more than 59 days past due.
    Fact FinancingReceivableRecordedInvestment60To89DaysPastDue
    Frame CY2014Q3I
    Label Financing Receivable, Recorded Investment, 60 to 89 Days Past Due (Deprecated 2015-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  132. Description Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 18,000,000
  133. Description Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 15,000,000
  134. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2014-01-01
    Taxonomy us-gaap
    Unit shares
    Val 45,368,000
  135. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2014-07-01
    Taxonomy us-gaap
    Unit shares
    Val 40,360,000
  136. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,339,000,000
  137. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,639,000,000
  138. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
    Frame CY2014Q3I
    Label Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
    Taxonomy us-gaap
    Unit USD
    Val 10,023,000,000
  139. Description The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).
    Fact PaymentsToAcquireBusinessesAndInterestInAffiliates
    Label Payments to Acquire Businesses and Interest in Affiliates
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 25,000,000
  140. Description Fair value of investment in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes measurement of net asset value as estimate of fair value.
    Fact AlternativeInvestmentsFairValueDisclosure
    Frame CY2014Q3I
    Label Alternative Investment, Fair Value Disclosure (Deprecated 2018-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 366,000,000
  141. Description The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.
    Fact AdditionalCollateralAggregateFairValue
    Frame CY2014Q3I
    Label Additional Collateral, Aggregate Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 470,000,000
  142. Description Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 39,000,000
  143. Description Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
    Frame CY2014Q3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  144. Description Interest expense incurred during the reporting period on other short-term borrowings.
    Fact InterestExpenseOtherShortTermBorrowings
    Label Interest Expense, Other Short-term Borrowings
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  145. Description Interest expense incurred during the reporting period on other short-term borrowings.
    Fact InterestExpenseOtherShortTermBorrowings
    Label Interest Expense, Other Short-term Borrowings
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  146. Description Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held.
    Fact FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
    Label Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss)
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  147. Description Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held.
    Fact FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
    Frame CY2014Q3
    Label Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss)
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -12,000,000
  148. Description Amount of right to receive securities collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase.
    Fact SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities
    Frame CY2014Q3I
    Label Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Securities
    Taxonomy us-gaap
    Unit USD
    Val 6,849,000,000
  149. Description A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.
    Fact ProfessionalFees
    Label Professional Fees
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 949,000,000
  150. Description A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.
    Fact ProfessionalFees
    Frame CY2014Q3
    Label Professional Fees
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 323,000,000
  151. Description Aggregate dividends paid during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareCashPaid
    Label Common Stock, Dividends, Per Share, Cash Paid
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.49
  152. Description Face amount or stated value per share of common stock.
    Fact CommonStockParOrStatedValuePerShare
    Frame CY2014Q3I
    Label Common Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.01
  153. Description Amounts receivable from customers on short-term negotiable time drafts drawn on and accepted by the institution (also known as banker's acceptance transactions) that are outstanding on the reporting date.
    Fact DueFromCustomerAcceptances
    Frame CY2014Q3I
    Label Due from Customer Acceptances
    Taxonomy us-gaap
    Unit USD
    Val 54,000,000
  154. Description The sum of the carrying amounts, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and for which the transferees are not permitted to sell or re-pledge them to an unrelated party.
    Fact PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral
    Frame CY2014Q3I
    Label Pledged Financial Instruments, Not Separately Reported, Loans Receivable Pledged as Collateral
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000,000
  155. Description The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
    Taxonomy us-gaap
    Unit USD
    Val 102,000,000
  156. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).
    Fact DividendsCommonStock
    Label Dividends, Common Stock
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 567,000,000
  157. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Frame CY2014Q3I
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 386,296,000,000
  158. Description The net cash inflow or outflow from the fund lent to other financial institution arising from the excess in reserve deposited at Federal Reserve Bank to meet legal requirement. This borrowing is usually contracted on an overnight basis at an agreed rate of interest. Also include cash inflow or outflow from investment sold under the agreement to reacquire such investment.
    Fact IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet
    Label Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 39,000,000
  159. Description This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses.
    Fact EquipmentExpense
    Label Equipment Expense
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 247,000,000
  160. Description This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses.
    Fact EquipmentExpense
    Frame CY2014Q3
    Label Equipment Expense
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 80,000,000
  161. Description Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  162. Description Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  163. Description The amount of expenses incurred in the period for information technology and data processing products and services.
    Fact InformationTechnologyAndDataProcessing
    Label Information Technology and Data Processing
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 460,000,000
  164. Description The amount of expenses incurred in the period for information technology and data processing products and services.
    Fact InformationTechnologyAndDataProcessing
    Frame CY2014Q3
    Label Information Technology and Data Processing
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 154,000,000
  165. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,432,000,000
  166. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 809,000,000
  167. Description Value transferred out of real estate owned (REO) in noncash transactions.
    Fact TransferOfOtherRealEstate
    Label Real Estate Owned, Transfer from Real Estate Owned
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  168. Description Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fact SecuritiesSoldUnderAgreementsToRepurchaseGross
    Frame CY2014Q3I
    Label Securities Sold under Agreements to Repurchase, Gross
    Taxonomy us-gaap
    Unit USD
    Val 8,024,000,000
  169. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Frame CY2014Q3I
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val 17,670,000,000
  170. Description The amount of cash received during the period as refunds for the overpayment of taxes.
    Fact ProceedsFromIncomeTaxRefunds
    Label Proceeds from Income Tax Refunds
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 142,000,000
  171. Description This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which no such other than temporary impairment (OTTI) was previously recognized.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  172. Description This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which no such other than temporary impairment (OTTI) was previously recognized.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  173. Description Amount after tax of income (loss) from continuing operations attributable to the parent.
    Fact IncomeLossFromContinuingOperations
    Label Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,334,000,000
  174. Description Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities.
    Fact DerivativeCollateralRightToReclaimSecurities
    Frame CY2014Q3I
    Label Derivative, Collateral, Right to Reclaim Securities
    Taxonomy us-gaap
    Unit USD
    Val 2,464,000,000
  175. Description The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.
    Fact RepaymentsOfLongTermDebt
    Label Repayments of Long-term Debt
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,921,000,000
  176. Description Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount
    Frame CY2014Q3I
    Label Debt Securities, Held-to-Maturity, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10
    Taxonomy us-gaap
    Unit USD
    Val 18,000,000
  177. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fact InterestAndFeeIncomeLoansAndLeases
    Label Interest and Fee Income, Loans and Leases
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 519,000,000
  178. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fact InterestAndFeeIncomeLoansAndLeases
    Label Interest and Fee Income, Loans and Leases
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 174,000,000
  179. Description The cash flow from the funds lent to and (borrowed from) other financial reporting institutions arising from excess or shortfall in reserve deposited at the Federal Reserve Bank to meet legal requirements. This lending and borrowing is usually contracted on an overnight basis at an agreed rate of interest. Also include cash outflow or inflow from investments purchased under the agreement to resell such investment.
    Fact ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet
    Label Proceeds from (Payments for) Federal Funds Sold and Securities Purchased under Agreements to Resell, Net
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -8,214,000,000
  180. Description Amount of other miscellaneous assets.
    Fact OtherAssetsMiscellaneous
    Frame CY2014Q3I
    Label Other Assets, Miscellaneous
    Taxonomy us-gaap
    Unit USD
    Val 1,457,000,000
  181. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit.
    Fact EffectiveIncomeTaxRateReconciliationTaxCreditsForeign
    Label Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  182. Description This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).
    Fact LifeInsuranceCorporateOrBankOwnedAmount
    Frame CY2014Q3I
    Label Life Insurance, Corporate or Bank Owned, Amount
    Taxonomy us-gaap
    Unit USD
    Val 4,558,000,000
  183. Description Amount of gain (loss) from the ineffectiveness of the hedge.
    Fact DerivativeNetHedgeIneffectivenessGainLoss
    Label Derivative, Net Hedge Ineffectiveness Gain (Loss)
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -19,700,000
  184. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.35
  185. Description Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).
    Fact LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans
    Label Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  186. Description Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).
    Fact LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans
    Label Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  187. Description This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  188. Description This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  189. Description Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.
    Fact PaymentsOfDividendsCommonStock
    Label Payments of Ordinary Dividends, Common Stock
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 566,000,000
  190. Description Fair value, after effects of master netting arrangements, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
    Frame CY2014Q3I
    Label Derivative Liability, Fair Value, Amount Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 16,635,000,000
  191. Description Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.
    Fact ForeignCurrencyTransactionGainLossBeforeTax
    Label Foreign Currency Transaction Gain (Loss), before Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 413,000,000
  192. Description Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.
    Fact ForeignCurrencyTransactionGainLossBeforeTax
    Label Foreign Currency Transaction Gain (Loss), before Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 154,000,000
  193. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
    Fact IncomeTaxesPaid
    Label Income Taxes Paid
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 514,000,000
  194. Description The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.
    Fact WeightedAverageNumberDilutedSharesOutstandingAdjustment
    Label Weighted Average Number Diluted Shares Outstanding Adjustment
    Start 2014-01-01
    Taxonomy us-gaap
    Unit shares
    Val 19,547,000
  195. Description The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.
    Fact WeightedAverageNumberDilutedSharesOutstandingAdjustment
    Label Weighted Average Number Diluted Shares Outstanding Adjustment
    Start 2014-07-01
    Taxonomy us-gaap
    Unit shares
    Val 20,807,000
  196. Description Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.
    Fact PrepaidExpenseCurrentAndNoncurrent
    Frame CY2014Q3I
    Label Prepaid Expense
    Taxonomy us-gaap
    Unit USD
    Val 401,000,000
  197. Description Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
    Frame CY2014Q3I
    Label Impaired Financing Receivable, with Related Allowance, Recorded Investment
    Taxonomy us-gaap
    Unit USD
    Val 22,000,000
  198. Description The carrying amount, as of the date of the latest financial statement presented, of all assets that are pledged as collateral for the payment of the related debt obligation primarily arising from secured borrowings, repurchase agreements or other current or potential obligations, where the secured party does not have the right by contract or custom to sell or re-pledge the collateral and therefore are not reclassified and separately reported in the statement of financial position.
    Fact PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition
    Frame CY2014Q3I
    Label Pledged Assets, Other, Not Separately Reported on Statement of Financial Position
    Taxonomy us-gaap
    Unit USD
    Val 85,000,000,000
  199. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 376,000,000
  200. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  201. Description Amount of cash inflow (outflow) from financing activities classified as other.
    Fact ProceedsFromPaymentsForOtherFinancingActivities
    Label Proceeds from (Payments for) Other Financing Activities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 94,000,000
  202. Description Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 9,000,000
  203. Description Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 9,000,000
  204. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax.
    Fact InterestIncomeSecuritiesTaxable
    Label Interest Income, Securities, Operating, Taxable
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,186,000,000
  205. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax.
    Fact InterestIncomeSecuritiesTaxable
    Label Interest Income, Securities, Operating, Taxable
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 398,000,000
  206. Description Cumulative employer's contributions in excess of net pension cost recognized, before the adoption of the recognition provisions of FAS 158. Under FAS 158, prepaid pension costs are no longer recognized in the statement of financial position. Note that there is a separate concept for noncurrent assets relating to defined benefit pension and other defined benefit postretirement plans for use under the recognition provisions of FAS 158.
    Fact PrepaidPensionCosts
    Frame CY2014Q3I
    Label Prepaid Pension Costs (Deprecated 2017-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 1,299,000,000
  207. Description Amount of tax expense (benefit) allocated to other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossTax
    Label Other Comprehensive Income (Loss), Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 200,000,000
  208. Description Amount of tax expense (benefit) allocated to other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossTax
    Label Other Comprehensive Income (Loss), Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 63,000,000
  209. Description The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.
    Fact PreferredStockDividendsIncomeStatementImpact
    Label Preferred Stock Dividends, Income Statement Impact
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 49,000,000
  210. Description The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.
    Fact PreferredStockDividendsIncomeStatementImpact
    Label Preferred Stock Dividends, Income Statement Impact
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000
  211. Description Amount, after the effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes purchases of participations in pools of securities that are subject to a resale agreement, assets not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesPurchasedUnderAgreementsToResell
    Frame CY2014Q3I
    Label Securities Purchased under Agreements to Resell
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  212. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fact NetCashProvidedByUsedInInvestingActivities
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -10,659,000,000
  213. Description The increase (decrease) during the reporting period in the aggregate amount of obligations incurred arising from transactions with broker-dealers, such as amounts due on margin and unsettled cash transactions; includes payables to brokers, dealers and clearing organizations.
    Fact IncreaseDecreaseInPayablesToBrokerDealers
    Label Increase (Decrease) in Payables to Broker-Dealers and Clearing Organizations
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,448,000,000
  214. Description The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
    Fact ProceedsFromIssuanceOfLongTermDebt
    Label Proceeds from Issuance of Long-term Debt
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,686,000,000
  215. Description Value of stock issued as a result of the exercise of stock options.
    Fact StockIssuedDuringPeriodValueStockOptionsExercised
    Label Stock Issued During Period, Value, Stock Options Exercised
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 484,000,000
  216. Description The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.
    Fact PreferredStockSharesAuthorized
    Frame CY2014Q3I
    Label Preferred Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 100,000,000
  217. Description Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.
    Fact CashAndCashEquivalentsPeriodIncreaseDecrease
    Label Cash and Cash Equivalents, Period Increase (Decrease)
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -50,000,000
  218. Description Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.
    Fact DerivativeCollateralObligationToReturnCash
    Frame CY2014Q3I
    Label Derivative, Collateral, Obligation to Return Cash
    Taxonomy us-gaap
    Unit USD
    Val 0
  219. Description Amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities.
    Fact TradingGainsLosses
    Label Trading Gain (Loss)
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 6,000,000
  220. Description Amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities.
    Fact TradingGainsLosses
    Label Trading Gain (Loss)
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -1,000,000
  221. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 70,000,000
  222. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 24,000,000
  223. Description Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.
    Fact PreferredStockSharesOutstanding
    Frame CY2014Q3I
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 15,826
  224. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 264,000,000
  225. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 88,000,000
  226. Description Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -3,000,000
  227. Description Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -4,000,000
  228. Description Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 60,000,000
  229. Description Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 20,000,000
  230. Description Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
    Fact CashAndCashEquivalentsAtCarryingValue
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 6,410,000,000
  231. Description Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableAllowance
    Label Loans and Leases Receivable, Allowance
    Taxonomy us-gaap
    Unit USD
    Val 191,000,000
  232. Description Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.
    Fact AdditionalPaidInCapital
    Frame CY2014Q3I
    Label Additional Paid in Capital
    Taxonomy us-gaap
    Unit USD
    Val 24,499,000,000
  233. Description Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fact DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
    Frame CY2014Q3I
    Label Derivative Liability, Fair Value, Amount Not Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 6,491,000,000
  234. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.
    Fact EffectiveIncomeTaxRateReconciliationTaxSettlements
    Label Effective Income Tax Rate Reconciliation, Tax Settlement, Percent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  235. Description The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both.
    Fact PaymentsForProceedsFromLoansAndLeases
    Label Payments for (Proceeds from) Loans and Leases
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 6,060,000,000
  236. Description Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.
    Fact PreferredStockSharesIssued
    Frame CY2014Q3I
    Label Preferred Stock, Shares Issued
    Taxonomy us-gaap
    Unit shares
    Val 15,826
  237. Description Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests.
    Fact OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
    Label Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -73,000,000
  238. Description Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests.
    Fact OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
    Label Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -77,000,000
  239. Description For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.
    Fact BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
    Frame CY2014Q3I
    Label Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  240. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.
    Fact EffectiveIncomeTaxRateReconciliationTaxCredits
    Label Effective Income Tax Rate Reconciliation, Tax Credit, Percent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  241. Description Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.
    Fact IncomeTaxReceivable
    Frame CY2014Q3I
    Label Income Taxes Receivable
    Taxonomy us-gaap
    Unit USD
    Val 1,516,000,000
  242. Description Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.
    Fact DeferredRevenue
    Frame CY2014Q3I
    Label Deferred Revenue
    Taxonomy us-gaap
    Unit USD
    Val 894,000,000
  243. Description Amount of interest expense for an underpayment of income taxes.
    Fact UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
    Label Unrecognized Tax Benefits, Interest on Income Taxes Expense
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  244. Description Fair value of collateral permitted, by contact or custom, to be sold or re-pledged.
    Fact FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged
    Frame CY2014Q3I
    Label Fair Value of Securities Received as Collateral that Can be Resold or Repledged
    Taxonomy us-gaap
    Unit USD
    Val 43,000,000,000
  245. Description The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.
    Fact ProceedsFromDivestitureOfBusinesses
    Label Proceeds from Divestiture of Businesses
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 64,000,000
  246. Description Fair value as of the balance sheet date of customer securities accepted as collateral by the entity that it is permitted by contract or custom to sell or re-pledge to counterparties as collateral.
    Fact CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeFairValue
    Frame CY2014Q3I
    Label Customer Securities for which Entity has Right to Sell or Repledge, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 8,000,000,000
  247. Description Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableRecordedInvestment
    Frame CY2014Q3I
    Label Impaired Financing Receivable, Recorded Investment
    Taxonomy us-gaap
    Unit USD
    Val 25,000,000
  248. Description Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.
    Fact TreasuryStockValueAcquiredCostMethod
    Label Treasury Stock, Value, Acquired, Cost Method
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,237,000,000
  249. Description The estimated maximum amount of possible loss from the contingency.
    Fact LossContingencyRangeOfPossibleLossMaximum
    Frame CY2014Q3I
    Label Loss Contingency, Range of Possible Loss, Maximum (Deprecated 2016-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 940,000,000
  250. Description Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fact DerivativeAssets
    Frame CY2014Q3I
    Label Derivative Asset
    Taxonomy us-gaap
    Unit USD
    Val 5,435,000,000
  251. Description Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 123,000,000
  252. Description Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -29,000,000
  253. Description Amount, after effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral
    Frame CY2014Q3I
    Label Securities Purchased under Agreements to Resell, Amount Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 1,168,000,000
  254. Description Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax
    Label OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 43,000,000
  255. Description Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax
    Label OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 84,000,000
  256. Description Amount of decrease in the fair value of derivatives recognized in the income statement.
    Fact DerivativeLossOnDerivative
    Label Derivative, Loss on Derivative
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 7,600,000
  257. Description The net cash inflow from (a) sales of loans held-for-investment, (b) sales of leases held-for-investment, and (c) both. Includes proceeds from securitizations of loans.
    Fact ProceedsFromSaleOfLoansAndLeasesHeldForInvestment
    Label Proceeds from Sale of Loans and Leases Held-for-investment
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 259,000,000
  258. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fact WeightedAverageNumberOfSharesOutstandingBasic
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2014-01-01
    Taxonomy us-gaap
    Unit shares
    Val 1,133,006,000
  259. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fact WeightedAverageNumberOfSharesOutstandingBasic
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2014-07-01
    Taxonomy us-gaap
    Unit shares
    Val 1,126,946,000
  260. Description Expense related to distribution, servicing and underwriting fees.
    Fact ExpenseRelatedToDistributionOrServicingAndUnderwritingFees
    Label Expense Related to Distribution or Servicing and Underwriting Fees
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 326,000,000
  261. Description Expense related to distribution, servicing and underwriting fees.
    Fact ExpenseRelatedToDistributionOrServicingAndUnderwritingFees
    Frame CY2014Q3
    Label Expense Related to Distribution or Servicing and Underwriting Fees
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 107,000,000
  262. Description The balance of financing receivables that were collectively evaluated for impairment.
    Fact FinancingReceivableCollectivelyEvaluatedForImpairment
    Label Financing Receivable, Collectively Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 57,502,000,000
  263. Description Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
    Label Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 6,000,000
  264. Description Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
    Fact CommonStockSharesIssued
    Frame CY2014Q3I
    Label Common Stock, Shares, Issued
    Taxonomy us-gaap
    Unit shares
    Val 1,286,670,537
  265. Description The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fact DepreciationAmortizationAndAccretionNet
    Label Depreciation, Amortization and Accretion, Net
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 976,000,000
  266. Description Amount before tax, after reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossBeforeTax
    Label Other Comprehensive Income (Loss), before Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 103,000,000
  267. Description Amount before tax, after reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossBeforeTax
    Label Other Comprehensive Income (Loss), before Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -528,000,000
  268. Description Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
    Label Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 5,424,000,000
  269. Description Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.
    Fact DerivativeLiabilityNotSubjectToMasterNettingArrangement
    Frame CY2014Q3I
    Label Derivative Liability, Not Subject to Master Netting Arrangement
    Taxonomy us-gaap
    Unit USD
    Val 2,762,000,000
  270. Description Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets.
    Fact DerivativeCollateralObligationToReturnSecurities
    Frame CY2014Q3I
    Label Derivative, Collateral, Obligation to Return Securities
    Taxonomy us-gaap
    Unit USD
    Val 551,000,000
  271. Description Amount before accumulated amortization of intangible assets, excluding goodwill.
    Fact IntangibleAssetsGrossExcludingGoodwill
    Frame CY2014Q3I
    Label Intangible Assets, Gross (Excluding Goodwill)
    Taxonomy us-gaap
    Unit USD
    Val 7,112,000,000
  272. Description Amount receivable from broker-dealers and clearing organizations, including, but not limited to, securities failed-to-deliver, certain deposits for securities borrowed, open transactions, good faith and margin deposits, commissions and floor brokerage receivables.
    Fact ReceivablesFromBrokersDealersAndClearingOrganizations
    Frame CY2014Q3I
    Label Receivables from Brokers-Dealers and Clearing Organizations
    Taxonomy us-gaap
    Unit USD
    Val 3,311,000,000
  273. Description Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fact DerivativeFairValueOfDerivativeLiability
    Frame CY2014Q3I
    Label Derivative Liability, Fair Value, Gross Liability
    Taxonomy us-gaap
    Unit USD
    Val 23,126,000,000
  274. Description Amount of accrued but unpaid interest on deposit liabilities.
    Fact DepositLiabilitiesAccruedInterest
    Frame CY2014Q3I
    Label Deposit Liabilities, Accrued Interest
    Taxonomy us-gaap
    Unit USD
    Val 28,000,000
  275. Description The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.
    Fact SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit
    Frame CY2014Q3I
    Label Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit
    Taxonomy us-gaap
    Unit USD
    Val -204,000,000
  276. Description Amount, after the effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesBorrowed
    Frame CY2014Q3I
    Label Securities Borrowed
    Taxonomy us-gaap
    Unit USD
    Val 314,000,000
  277. Description Amount of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecurities
    Frame CY2014Q3I
    Label Debt Securities, Held-to-maturity
    Taxonomy us-gaap
    Unit USD
    Val 20,137,000,000
  278. Description Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.
    Fact Liabilities
    Frame CY2014Q3I
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 346,698,000,000
  279. Description Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 34,000,000
  280. Description Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 31,000,000
  281. Description Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -475,000,000
  282. Description Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
    Frame CY2014Q3
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -589,000,000
  283. Description Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
    Fact Assets
    Frame CY2014Q3I
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 386,296,000,000
  284. Description Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount
    Frame CY2014Q3I
    Label Debt Securities, Held-to-Maturity, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five
    Taxonomy us-gaap
    Unit USD
    Val 3,830,000,000
  285. Description Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.
    Fact InterestIncomeDepositsWithFinancialInstitutions
    Label Interest Income, Deposits with Financial Institutions
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 208,000,000
  286. Description Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.
    Fact InterestIncomeDepositsWithFinancialInstitutions
    Label Interest Income, Deposits with Financial Institutions
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 58,000,000
  287. Description Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities
    Label Proceeds from Sale and Maturity of Debt Securities, Available-for-sale
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,417,000,000
  288. Description Amount of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount
    Frame CY2014Q3I
    Label Debt Securities, Held-to-Maturity, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
    Taxonomy us-gaap
    Unit USD
    Val 1,500,000,000
  289. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fact EarningsPerShareBasic
    Label Earnings Per Share, Basic
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.98
  290. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fact EarningsPerShareBasic
    Label Earnings Per Share, Basic
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.93
  291. Description Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.
    Fact LoansReceivableFairValueDisclosure
    Frame CY2014Q3I
    Label Loans Receivable, Fair Value Disclosure
    Taxonomy us-gaap
    Unit USD
    Val 79,000,000
  292. Description Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fact DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
    Frame CY2014Q3I
    Label Derivative Asset, Fair Value, Amount Not Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 5,986,000,000
  293. Description Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 37,000,000
  294. Description Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 12,000,000
  295. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Label Net Income (Loss) Attributable to Parent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,334,000,000
  296. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Label Net Income (Loss) Attributable to Parent
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,083,000,000
  297. Description Amount of increase (decrease) in operating liabilities classified as other.
    Fact IncreaseDecreaseInOtherOperatingLiabilities
    Label Increase (Decrease) in Other Operating Liabilities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -505,000,000
  298. Description Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
    Frame CY2014Q3I
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
    Taxonomy us-gaap
    Unit USD
    Val 26,000,000
  299. Description Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -13,000,000
  300. Description Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
    Frame CY2014Q3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -23,000,000
  301. Description Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -16,000,000
  302. Description Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -16,000,000
  303. Description The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.
    Fact TreasuryStockValue
    Frame CY2014Q3I
    Label Treasury Stock, Value
    Taxonomy us-gaap
    Unit USD
    Val 4,377,000,000
  304. Description Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.
    Fact AccountsReceivableNet
    Frame CY2014Q3I
    Label Accounts Receivable, after Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 4,032,000,000
  305. Description Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 92,000,000
  306. Description Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 31,000,000
  307. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Label Payments for Repurchase of Common Stock
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,237,000,000
  308. Description Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.
    Fact ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
    Label Proceeds from Issuance of Preferred Stock and Preference Stock
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  309. Description Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.
    Fact BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
    Label Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  310. Description Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.
    Fact BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
    Frame CY2014Q3
    Label Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  311. Description The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.
    Fact PaymentsToAcquireAvailableForSaleSecurities
    Label Payments to Acquire Available-for-sale Securities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 51,428,000,000
  312. Description Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  313. Description Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  314. Description Amount of increase (decrease) of investment in debt and equity securities, measured at fair value with changes in fair value recognized in net income.
    Fact IncreaseDecreaseInTradingSecurities
    Label Increase (Decrease) in Debt Securities, Trading, and Equity Securities, FV-NI
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,154,000,000
  315. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 8,653,000,000
  316. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 2,968,000,000
  317. Description Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.
    Fact ImpairedFinancingReceivableUnpaidPrincipalBalance
    Frame CY2014Q3I
    Label Impaired Financing Receivable, Unpaid Principal Balance
    Taxonomy us-gaap
    Unit USD
    Val 27,000,000
  318. Description Amount, after effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price offset against a right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral
    Frame CY2014Q3I
    Label Securities Sold under Agreements to Repurchase, Amount Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 1,168,000,000
  319. Description Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -13,000,000
  320. Description Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -12,000,000
  321. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fact WeightedAverageNumberOfDilutedSharesOutstanding
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2014-01-01
    Taxonomy us-gaap
    Unit shares
    Val 1,139,718,000
  322. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fact WeightedAverageNumberOfDilutedSharesOutstanding
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2014-07-01
    Taxonomy us-gaap
    Unit shares
    Val 1,134,871,000
  323. Description Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -55,000,000
  324. Description Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -19,000,000
  325. Description Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
    Label Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,394,000,000
  326. Description Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
    Frame CY2014Q3
    Label Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,106,000,000
  327. Description Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
    Frame CY2014Q3I
    Label Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
    Taxonomy us-gaap
    Unit USD
    Val 5,413,000,000
  328. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 40,000,000
  329. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000
  330. Description Interest expense incurred during the reporting period on commercial paper.
    Fact InterestExpenseCommercialPaper
    Label Interest Expense, Commercial Paper
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  331. Description Interest expense incurred during the reporting period on commercial paper.
    Fact InterestExpenseCommercialPaper
    Label Interest Expense, Commercial Paper
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  332. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.
    Fact EffectiveIncomeTaxRateReconciliationOtherAdjustments
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  333. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fact StockholdersEquity
    Frame CY2014Q3I
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val 38,451,000,000
  334. Description Amount, after the effects of master netting arrangements, of securities loaned to entities in exchange for collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesLoaned
    Frame CY2014Q3I
    Label Securities Loaned
    Taxonomy us-gaap
    Unit USD
    Val 111,000,000
  335. Description Fair value of the collateral, or portion thereof, that has been re-pledged, delivered, or otherwise used.
    Fact FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged
    Frame CY2014Q3I
    Label Fair Value of Securities Received as Collateral that Have Been Resold or Repledged
    Taxonomy us-gaap
    Unit USD
    Val 19,000,000,000
  336. Description Financing receivables that are equal to or greater than 90 days past due.
    Fact FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue
    Frame CY2014Q3I
    Label Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due (Deprecated 2015-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 340,000,000
  337. Description The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments).
    Fact FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments
    Frame CY2014Q3I
    Label Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments
    Taxonomy us-gaap
    Unit USD
    Val 52,000,000
  338. Description Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact CommonStockValue
    Frame CY2014Q3I
    Label Common Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000
  339. Description Financing receivables that are less than 60 days past due but more than 29 days past due.
    Fact FinancingReceivableRecordedInvestment30To59DaysPastDue
    Frame CY2014Q3I
    Label Financing Receivable, Recorded Investment, 30 to 59 Days Past Due (Deprecated 2015-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 50,000,000
  340. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 22,000,000
  341. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 21,000,000
  342. Description Value of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan.
    Fact StockIssuedDuringPeriodValueEmployeeBenefitPlan
    Label Stock Issued During Period, Value, Employee Benefit Plan
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 18,000,000
  343. Description Amount, before effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fact SecuritiesPurchasedUnderAgreementsToResellGross
    Frame CY2014Q3I
    Label Securities Purchased under Agreements to Resell, Gross
    Taxonomy us-gaap
    Unit USD
    Val 9,973,000,000
  344. Description Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
    Frame CY2014Q3I
    Label Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance
    Taxonomy us-gaap
    Unit USD
    Val 24,000,000
  345. Description Interest expense incurred on short positions arising from sales of securities and other assets, which the entity does not own, to other parties. Trading liabilities includes the fair value of derivative contracts held for trading that are in loss positions.
    Fact InterestExpenseTradingLiabilities
    Label Interest Expense, Trading Liabilities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 21,000,000
  346. Description Interest expense incurred on short positions arising from sales of securities and other assets, which the entity does not own, to other parties. Trading liabilities includes the fair value of derivative contracts held for trading that are in loss positions.
    Fact InterestExpenseTradingLiabilities
    Label Interest Expense, Trading Liabilities
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 6,000,000
  347. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.30
  348. Description Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableAverageRecordedInvestment
    Label Impaired Financing Receivable, Average Recorded Investment
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 31,000,000
  349. Description Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableAverageRecordedInvestment
    Label Impaired Financing Receivable, Average Recorded Investment
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 28,000,000
  350. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleSecuritiesDebtSecurities
    Frame CY2014Q3I
    Label Debt Securities, Available-for-sale
    Taxonomy us-gaap
    Unit USD
    Val 95,559,000,000
  351. Description Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period.
    Fact MinorityInterestPeriodIncreaseDecrease
    Label Noncontrolling Interest, Period Increase (Decrease)
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 136,000,000
  352. Description This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 26,000,000
  353. Description This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  354. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fact NetCashProvidedByUsedInOperatingActivities
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,298,000,000
  355. Description Amount of allowance for credit losses related to recorded investment.
    Fact ImpairedFinancingReceivableRelatedAllowance
    Frame CY2014Q3I
    Label Impaired Financing Receivable, Related Allowance
    Taxonomy us-gaap
    Unit USD
    Val 6,000,000
  356. Description Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact DerivativeLiabilities
    Frame CY2014Q3I
    Label Derivative Liability
    Taxonomy us-gaap
    Unit USD
    Val 4,027,000,000
  357. Description Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.
    Fact AccumulatedOtherComprehensiveIncomeLossNetOfTax
    Frame CY2014Q3I
    Label Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val -916,000,000
  358. Description Amount, before effects of master netting arrangements, of securities loaned to entities in exchange for collateral. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fact SecuritiesLoanedGross
    Frame CY2014Q3I
    Label Securities Loaned, Gross
    Taxonomy us-gaap
    Unit USD
    Val 2,658,000,000
  359. Description Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
    Fact Revenues
    Label Revenues
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 11,943,000,000
  360. Description Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
    Fact Revenues
    Label Revenues
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 4,588,000,000
  361. Description Amount, before tax and adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 519,000,000
  362. Description Amount, before tax and adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -18,000,000
  363. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fact OccupancyNet
    Label Occupancy, Net
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 460,000,000
  364. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fact OccupancyNet
    Frame CY2014Q3
    Label Occupancy, Net
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 154,000,000
  365. Description Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.
    Fact NumberOfReportableSegments
    Label Number of Reportable Segments
    Start 2014-01-01
    Taxonomy us-gaap
    Unit Segment
    Val 3
  366. Description Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
    Frame CY2014Q3I
    Label Finite-Lived Intangible Asset, Expected Amortization, Year Five
    Taxonomy us-gaap
    Unit USD
    Val 182,000,000
  367. Description The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.
    Fact ProceedsFromSaleOfPropertyPlantAndEquipment
    Label Proceeds from Sale of Property, Plant, and Equipment
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 585,000,000
  368. Description Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.
    Fact PaymentsOfDividendsPreferredStockAndPreferenceStock
    Label Payments of Ordinary Dividends, Preferred Stock and Preference Stock
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 49,000,000
  369. Description Amount of interest expense accrued for an underpayment of income taxes.
    Fact UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
    Frame CY2014Q3I
    Label Unrecognized Tax Benefits, Interest on Income Taxes Accrued
    Taxonomy us-gaap
    Unit USD
    Val 197,000,000
  370. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).
    Fact EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.02
  371. Description Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.
    Fact DerivativeCollateralRightToReclaimCash
    Frame CY2014Q3I
    Label Derivative, Collateral, Right to Reclaim Cash
    Taxonomy us-gaap
    Unit USD
    Val 0
  372. Description Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on securities.
    Fact InterestAndDividendIncomeSecurities
    Label Interest and Dividend Income, Securities, Operating
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,264,000,000
  373. Description Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on securities.
    Fact InterestAndDividendIncomeSecurities
    Label Interest and Dividend Income, Securities, Operating
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 422,000,000
  374. Description Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
    Frame CY2014Q3I
    Label Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  375. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fact CommonStockSharesAuthorized
    Frame CY2014Q3I
    Label Common Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 3,500,000,000
  376. Description Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 143,000,000
  377. Description Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -22,000,000
  378. Description Amount, before effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fact SecuritiesBorrowedGross
    Frame CY2014Q3I
    Label Securities Borrowed, Gross
    Taxonomy us-gaap
    Unit USD
    Val 8,553,000,000
  379. Description The net cash inflow or outflow in Interest-bearing Deposits by banks in other financial institutions for relatively short periods of time including, for example, certificates of deposits.
    Fact ProceedsFromPaymentsForInInterestBearingDepositsInBanks
    Label Proceeds from (Payments for) in Interest-bearing Deposits in Banks
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,950,000,000
  380. Description Amount of right to receive securities collateral under master netting arrangements that have not been offset against securities loaned.
    Fact SecuritiesLoanedCollateralRightToReclaimSecurities
    Frame CY2014Q3I
    Label Securities Loaned, Collateral, Right to Reclaim Securities
    Taxonomy us-gaap
    Unit USD
    Val 2,547,000,000
  381. Description Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.
    Fact PensionContributions
    Label Payment for Pension Benefits
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 37,000,000
  382. Description Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.
    Fact IntangibleAssetsNetExcludingGoodwill
    Label Intangible Assets, Net (Excluding Goodwill)
    Taxonomy us-gaap
    Unit USD
    Val 4,215,000,000
  383. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Label Proceeds from Stock Options Exercised
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 276,000,000
  384. Description The net cash inflow or cash outflow from issuing (borrowing) and repaying commercial paper.
    Fact ProceedsFromRepaymentsOfCommercialPaper
    Label Proceeds from (Repayments of) Commercial Paper
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -96,000,000
  385. Description Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fact FiniteLivedIntangibleAssetsAccumulatedAmortization
    Frame CY2014Q3I
    Label Finite-Lived Intangible Assets, Accumulated Amortization
    Taxonomy us-gaap
    Unit USD
    Val 2,897,000,000
  386. Description Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).
    Fact FederalReserveBankStock
    Frame CY2014Q3I
    Label Federal Reserve Bank Stock
    Taxonomy us-gaap
    Unit USD
    Val 446,000,000

Facts up to 2014-06-30

  1. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Label Earnings Per Share, Diluted
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.48
  2. Description Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 269,000,000
  3. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Label Income Tax Expense (Benefit)
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 217,000,000
  4. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 719,000,000
  5. Description Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
    Label Impaired Financing Receivable, with Related Allowance, Average Recorded Investment
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 29,000,000
  6. Description Amount, after troubled debt restructuring, of modified financing receivable.
    Fact FinancingReceivableModificationsPostModificationRecordedInvestment2
    Label Financing Receivable, Troubled Debt Restructuring, Postmodification
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 6,000,000
  7. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 288,000,000
  8. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  9. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  10. Description Number of financing receivables that have been modified by troubled debt restructurings.
    Fact FinancingReceivableModificationsNumberOfContracts2
    Label Financing Receivable, Modifications, Number of Contracts
    Start 2014-04-01
    Taxonomy us-gaap
    Unit Contract
    Val 29
  11. Description Amount of Net Income (Loss) attributable to noncontrolling interest.
    Fact NetIncomeLossAttributableToNoncontrollingInterest
    Label Net Income (Loss) Attributable to Noncontrolling Interest
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 17,000,000
  12. Description The aggregate expense incurred on federal funds purchased and securities sold under agreements to repurchase. If amounts recognized as payables under repurchase agreements have been offset against amounts recognized as receivables under reverse repurchase agreements and reported as a net amount on the balance sheet, the income and expense from these agreements may be reported on a net basis.
    Fact InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase
    Label Interest Expense, Federal Funds Purchased and Securities Sold under Agreements to Repurchase
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -3,000,000
  13. Description Amount after tax of other comprehensive income (loss) attributable to parent entity.
    Fact OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
    Label Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 287,000,000
  14. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  15. Description Amount, before troubled debt restructuring, of financing receivable to be modified.
    Fact FinancingReceivableModificationsPreModificationRecordedInvestment2
    Label Financing Receivable, Troubled Debt Restructuring, Premodification
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  16. Description Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  17. Description Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 196,000,000
  18. Description Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on trading securities and other forms of securities that provide ownership interests.
    Fact InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue
    Label Interest and Dividend Income, Securities, Operating, Trading or Measured at Fair Value
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 30,000,000
  19. Description Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -14,000,000
  20. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 554,000,000
  21. Description The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
    Fact ProfitLoss
    Label Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 594,000,000
  22. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Frame CY2014Q2
    Label Other Noninterest Expense
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 347,000,000
  23. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fact AmortizationOfIntangibleAssets
    Frame CY2014Q2
    Label Amortization of Intangible Assets
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 75,000,000
  24. Description The aggregate interest income earned from (1) the lending of excess federal funds to another commercial bank requiring such for its legal reserve requirements and (2) securities purchased under agreements to resell.
    Fact InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell
    Label Interest Income, Federal Funds Sold and Securities Purchased under Agreements to Resell
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 19,000,000
  25. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTax
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 864,000,000
  26. Description Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.
    Fact ImpairedFinancingReceivableInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, Interest Income, Accrual Method
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  27. Description Fees paid to an agent employed by a corporation or mutual fund to maintain shareholder records, including purchases, sales, and account balances. Also includes custodian fees incurred during an accounting period from an agent, bank, trust company, or other organization that holds and safeguards an individual's, mutual fund's, or investment company's assets for them. These fees will be billed back to the client and are a component of noninterest expense.
    Fact NoninterestExpenseTransferAgentAndCustodianFees
    Frame CY2014Q2
    Label Noninterest Expense Transfer Agent and Custodian Fees
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 81,000,000
  28. Description The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
    Label Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 180,000,000
  29. Description Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends.
    Fact WeightedAverageNumberOfSharesRestrictedStock
    Label Weighted Average Number of Shares, Restricted Stock
    Start 2014-04-01
    Taxonomy us-gaap
    Unit shares
    Val 11,954,000
  30. Description Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 17,000,000
  31. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 311,000,000
  32. Description The balance of financing receivables that were individually evaluated for impairment.
    Fact FinancingReceivableIndividuallyEvaluatedForImpairment
    Label Financing Receivable, Individually Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 30,000,000
  33. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities exempt from state, federal and other income tax.
    Fact InterestIncomeSecuritiesTaxExempt
    Label Interest Income, Securities, Operating, Tax Exempt
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 27,000,000
  34. Description Aggregate amount of interest paid or due on all long-term debt.
    Fact InterestExpenseLongTermDebt
    Label Interest Expense, Long-term Debt
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 60,000,000
  35. Description Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -31,000,000
  36. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  37. Description Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.
    Fact InterestIncomeExpenseAfterProvisionForLoanLoss
    Label Interest Income (Expense), after Provision for Loan Loss
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 731,000,000
  38. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Frame CY2014Q2
    Label Labor and Related Expense
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 1,439,000,000
  39. Description Amount of unrecognized tax benefits.
    Fact UnrecognizedTaxBenefits
    Frame CY2014Q2I
    Label Unrecognized Tax Benefits
    Taxonomy us-gaap
    Unit USD
    Val 829,000,000
  40. Description Business development involves the development of products and services, their delivery, design and their implementation. Business development includes a number of techniques designed to grow an economic enterprise. Such techniques include, but are not limited to, assessments of marketing opportunities and target markets, intelligence gathering on customers and competitors, generating leads for possible sales, follow-up sales activity, formal proposal writing and business model design. Business development involves evaluating a business and then realizing its full potential, using such tools as marketing, sales, information management and customer service.
    Fact BusinessDevelopment
    Frame CY2014Q2
    Label Business Development
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 68,000,000
  41. Description Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
    Label Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  42. Description Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 77,000,000
  43. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fact NoninterestIncome
    Label Noninterest Income
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 3,009,000,000
  44. Description Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 49,000,000
  45. Description Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -3,000,000
  46. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2014-04-01
    Taxonomy us-gaap
    Unit shares
    Val 45,784,000
  47. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 794,000,000
  48. Description Interest expense incurred during the reporting period on other short-term borrowings.
    Fact InterestExpenseOtherShortTermBorrowings
    Label Interest Expense, Other Short-term Borrowings
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  49. Description A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.
    Fact ProfessionalFees
    Frame CY2014Q2
    Label Professional Fees
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 314,000,000
  50. Description The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
    Taxonomy us-gaap
    Unit USD
    Val 107,000,000
  51. Description This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses.
    Fact EquipmentExpense
    Frame CY2014Q2
    Label Equipment Expense
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 82,000,000
  52. Description Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  53. Description The amount of expenses incurred in the period for information technology and data processing products and services.
    Fact InformationTechnologyAndDataProcessing
    Frame CY2014Q2
    Label Information Technology and Data Processing
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 154,000,000
  54. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 811,000,000
  55. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fact InterestAndFeeIncomeLoansAndLeases
    Label Interest and Fee Income, Loans and Leases
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 176,000,000
  56. Description Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).
    Fact LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans
    Label Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  57. Description Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.
    Fact ForeignCurrencyTransactionGainLossBeforeTax
    Label Foreign Currency Transaction Gain (Loss), before Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 129,000,000
  58. Description The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.
    Fact WeightedAverageNumberDilutedSharesOutstandingAdjustment
    Label Weighted Average Number Diluted Shares Outstanding Adjustment
    Start 2014-04-01
    Taxonomy us-gaap
    Unit shares
    Val 18,198,000
  59. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 210,000,000
  60. Description Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -6,000,000
  61. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax.
    Fact InterestIncomeSecuritiesTaxable
    Label Interest Income, Securities, Operating, Taxable
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 383,000,000
  62. Description Amount of tax expense (benefit) allocated to other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossTax
    Label Other Comprehensive Income (Loss), Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 59,000,000
  63. Description The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.
    Fact PreferredStockDividendsIncomeStatementImpact
    Label Preferred Stock Dividends, Income Statement Impact
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 23,000,000
  64. Description Amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities.
    Fact TradingGainsLosses
    Label Trading Gain (Loss)
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  65. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 24,000,000
  66. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 92,000,000
  67. Description Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  68. Description Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 18,000,000
  69. Description Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableAllowance
    Label Loans and Leases Receivable, Allowance
    Taxonomy us-gaap
    Unit USD
    Val 187,000,000
  70. Description Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests.
    Fact OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
    Label Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  71. Description Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 73,000,000
  72. Description Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax
    Label OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -28,000,000
  73. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fact WeightedAverageNumberOfSharesOutstandingBasic
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2014-04-01
    Taxonomy us-gaap
    Unit shares
    Val 1,133,556,000
  74. Description Expense related to distribution, servicing and underwriting fees.
    Fact ExpenseRelatedToDistributionOrServicingAndUnderwritingFees
    Frame CY2014Q2
    Label Expense Related to Distribution or Servicing and Underwriting Fees
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 112,000,000
  75. Description The balance of financing receivables that were collectively evaluated for impairment.
    Fact FinancingReceivableCollectivelyEvaluatedForImpairment
    Label Financing Receivable, Collectively Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 59,218,000,000
  76. Description Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
    Label Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  77. Description Amount before tax, after reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossBeforeTax
    Label Other Comprehensive Income (Loss), before Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 347,000,000
  78. Description Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -1,000,000
  79. Description Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 77,000,000
  80. Description Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.
    Fact InterestIncomeDepositsWithFinancialInstitutions
    Label Interest Income, Deposits with Financial Institutions
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 77,000,000
  81. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fact EarningsPerShareBasic
    Label Earnings Per Share, Basic
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.48
  82. Description Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 14,000,000
  83. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Label Net Income (Loss) Attributable to Parent
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 577,000,000
  84. Description Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
    Frame CY2014Q2I
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
    Taxonomy us-gaap
    Unit USD
    Val 51,000,000
  85. Description Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -2,000,000
  86. Description Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 31,000,000
  87. Description Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  88. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 2,946,000,000
  89. Description Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -2,000,000
  90. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fact WeightedAverageNumberOfDilutedSharesOutstanding
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2014-04-01
    Taxonomy us-gaap
    Unit shares
    Val 1,139,800,000
  91. Description Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -17,000,000
  92. Description Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
    Frame CY2014Q2
    Label Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 594,000,000
  93. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 14,000,000
  94. Description Interest expense incurred during the reporting period on commercial paper.
    Fact InterestExpenseCommercialPaper
    Label Interest Expense, Commercial Paper
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  95. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -4,000,000
  96. Description Interest expense incurred on short positions arising from sales of securities and other assets, which the entity does not own, to other parties. Trading liabilities includes the fair value of derivative contracts held for trading that are in loss positions.
    Fact InterestExpenseTradingLiabilities
    Label Interest Expense, Trading Liabilities
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  97. Description Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableAverageRecordedInvestment
    Label Impaired Financing Receivable, Average Recorded Investment
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 32,000,000
  98. Description Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
    Fact Revenues
    Label Revenues
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 3,728,000,000
  99. Description Amount, before tax and adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 287,000,000
  100. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fact OccupancyNet
    Frame CY2014Q2
    Label Occupancy, Net
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 152,000,000
  101. Description Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on securities.
    Fact InterestAndDividendIncomeSecurities
    Label Interest and Dividend Income, Securities, Operating
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 410,000,000
  102. Description Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 77,000,000

Facts up to 2014-03-31

Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
Fact FinancingReceivableAllowanceForCreditLosses
Label Financing Receivable, Allowance for Credit Loss
Taxonomy us-gaap
Unit USD
Val 326,000,000

Facts up to 2013-12-31

  1. Description Amount of obligation to return securities collateral under master netting arrangements that have not been offset against securities purchased under agreement to resell.
    Fact SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities
    Label Securities Purchased under Agreements to Resell, Collateral, Obligation to Return Securities
    Taxonomy us-gaap
    Unit USD
    Val 4,413,000,000
  2. Description Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact PreferredStockValue
    Label Preferred Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 1,562,000,000
  3. Description Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesSoldUnderAgreementsToRepurchase
    Label Securities Sold under Agreements to Repurchase
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  4. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact Goodwill
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 18,073,000,000
  5. Description Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fact DerivativeFairValueOfDerivativeAsset
    Label Derivative Asset, Fair Value, Gross Asset
    Taxonomy us-gaap
    Unit USD
    Val 20,288,000,000
  6. Description Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.
    Fact TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests
    Label Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests
    Taxonomy us-gaap
    Unit USD
    Val 230,000,000
  7. Description Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.
    Fact TreasuryStockShares
    Label Treasury Stock, Shares
    Taxonomy us-gaap
    Unit shares
    Val 125,786,430
  8. Description Amount of financing receivable on nonaccrual status.
    Fact FinancingReceivableRecordedInvestmentNonaccrualStatus
    Label Financing Receivable, Nonaccrual
    Taxonomy us-gaap
    Unit USD
    Val 153,000,000
  9. Description Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableNetOfDeferredIncome
    Label Loans and Leases Receivable, Net of Deferred Income
    Taxonomy us-gaap
    Unit USD
    Val 51,657,000,000
  10. Description Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
    Label Impaired Financing Receivable, with No Related Allowance, Recorded Investment
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  11. Description Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.
    Fact PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged
    Label Pledged Financial Instruments, Not Separately Reported, Securities
    Taxonomy us-gaap
    Unit USD
    Val 70,000,000,000
  12. Description Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.
    Fact DerivativeAssetNotSubjectToMasterNettingArrangement
    Label Derivative Asset, Not Subject to Master Netting Arrangement
    Taxonomy us-gaap
    Unit USD
    Val 2,105,000,000
  13. Description Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.
    Fact DerivativeInstrumentsInHedgesAssetsAtFairValue
    Label Derivative Instruments in Hedges, Assets, at Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 1,282,000,000
  14. Description Fair value, after effects of master netting arrangements, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fact DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
    Label Derivative Asset, Fair Value, Amount Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 15,806,000,000
  15. Description Amount of obligation to return securities collateral under master netting arrangements that have not been offset against securities borrowed.
    Fact SecuritiesBorrowedCollateralObligationToReturnSecurities
    Label Securities Borrowed, Collateral, Obligation to Return Securities
    Taxonomy us-gaap
    Unit USD
    Val 4,555,000,000
  16. Description Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
    Fact StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
    Label Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
    Taxonomy us-gaap
    Unit USD
    Val 38,280,000,000
  17. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 344,000,000
  18. Description The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.
    Fact CapitalizedComputerSoftwareNet
    Label Capitalized Computer Software, Net
    Taxonomy us-gaap
    Unit USD
    Val 1,251,000,000
  19. Description Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockParOrStatedValuePerShare
    Label Preferred Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.01
  20. Description Amount of financing receivable past due.
    Fact FinancingReceivableRecordedInvestmentPastDue
    Label Financing Receivable, Past Due
    Taxonomy us-gaap
    Unit USD
    Val 154,000,000
  21. Description Amount of obligation to return cash collateral under master netting arrangements that have not been offset against securities purchased under agreement to resell.
    Fact SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash
    Label Securities Purchased under Agreements to Resell, Collateral, Obligation to Return Cash
    Taxonomy us-gaap
    Unit USD
    Val 0
  22. Description Amount of right to receive cash collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase.
    Fact SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash
    Label Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Cash
    Taxonomy us-gaap
    Unit USD
    Val 0
  23. Description Amount of assets classified as other.
    Fact OtherAssets
    Label Other Assets
    Taxonomy us-gaap
    Unit USD
    Val 20,566,000,000
  24. Description Financing receivables that are less than 90 days past due but more than 59 days past due.
    Fact FinancingReceivableRecordedInvestment60To89DaysPastDue
    Label Financing Receivable, Recorded Investment, 60 to 89 Days Past Due (Deprecated 2015-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 11,000,000
  25. Description Fair value of investment in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes measurement of net asset value as estimate of fair value.
    Fact AlternativeInvestmentsFairValueDisclosure
    Label Alternative Investment, Fair Value Disclosure (Deprecated 2018-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 361,000,000
  26. Description Amount of right to receive securities collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase.
    Fact SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities
    Label Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Securities
    Taxonomy us-gaap
    Unit USD
    Val 7,482,000,000
  27. Description Face amount or stated value per share of common stock.
    Fact CommonStockParOrStatedValuePerShare
    Label Common Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.01
  28. Description Amounts receivable from customers on short-term negotiable time drafts drawn on and accepted by the institution (also known as banker's acceptance transactions) that are outstanding on the reporting date.
    Fact DueFromCustomerAcceptances
    Label Due from Customer Acceptances
    Taxonomy us-gaap
    Unit USD
    Val 379,000,000
  29. Description The sum of the carrying amounts, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and for which the transferees are not permitted to sell or re-pledge them to an unrelated party.
    Fact PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral
    Label Pledged Financial Instruments, Not Separately Reported, Loans Receivable Pledged as Collateral
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000,000
  30. Description The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
    Taxonomy us-gaap
    Unit USD
    Val 119,000,000
  31. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 374,516,000,000
  32. Description Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fact SecuritiesSoldUnderAgreementsToRepurchaseGross
    Label Securities Sold under Agreements to Repurchase, Gross
    Taxonomy us-gaap
    Unit USD
    Val 8,581,000,000
  33. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val 15,952,000,000
  34. Description Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities.
    Fact DerivativeCollateralRightToReclaimSecurities
    Label Derivative, Collateral, Right to Reclaim Securities
    Taxonomy us-gaap
    Unit USD
    Val 2,337,000,000
  35. Description Amount of other miscellaneous assets.
    Fact OtherAssetsMiscellaneous
    Label Other Assets, Miscellaneous
    Taxonomy us-gaap
    Unit USD
    Val 1,313,000,000
  36. Description This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).
    Fact LifeInsuranceCorporateOrBankOwnedAmount
    Label Life Insurance, Corporate or Bank Owned, Amount
    Taxonomy us-gaap
    Unit USD
    Val 4,482,000,000
  37. Description Fair value, after effects of master netting arrangements, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
    Label Derivative Liability, Fair Value, Amount Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 14,421,000,000
  38. Description Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.
    Fact PrepaidExpenseCurrentAndNoncurrent
    Label Prepaid Expense
    Taxonomy us-gaap
    Unit USD
    Val 451,000,000
  39. Description Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
    Label Impaired Financing Receivable, with Related Allowance, Recorded Investment
    Taxonomy us-gaap
    Unit USD
    Val 32,000,000
  40. Description The carrying amount, as of the date of the latest financial statement presented, of all assets that are pledged as collateral for the payment of the related debt obligation primarily arising from secured borrowings, repurchase agreements or other current or potential obligations, where the secured party does not have the right by contract or custom to sell or re-pledge the collateral and therefore are not reclassified and separately reported in the statement of financial position.
    Fact PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition
    Label Pledged Assets, Other, Not Separately Reported on Statement of Financial Position
    Taxonomy us-gaap
    Unit USD
    Val 81,000,000,000
  41. Description Cumulative employer's contributions in excess of net pension cost recognized, before the adoption of the recognition provisions of FAS 158. Under FAS 158, prepaid pension costs are no longer recognized in the statement of financial position. Note that there is a separate concept for noncurrent assets relating to defined benefit pension and other defined benefit postretirement plans for use under the recognition provisions of FAS 158.
    Fact PrepaidPensionCosts
    Label Prepaid Pension Costs (Deprecated 2017-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 1,209,000,000
  42. Description Amount, after the effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes purchases of participations in pools of securities that are subject to a resale agreement, assets not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesPurchasedUnderAgreementsToResell
    Label Securities Purchased under Agreements to Resell
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  43. Description The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.
    Fact PreferredStockSharesAuthorized
    Label Preferred Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 100,000,000
  44. Description Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.
    Fact DerivativeCollateralObligationToReturnCash
    Label Derivative, Collateral, Obligation to Return Cash
    Taxonomy us-gaap
    Unit USD
    Val 0
  45. Description Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.
    Fact PreferredStockSharesOutstanding
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 15,826
  46. Description Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
    Fact CashAndCashEquivalentsAtCarryingValue
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 6,460,000,000
  47. Description Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.
    Fact AdditionalPaidInCapital
    Label Additional Paid in Capital
    Taxonomy us-gaap
    Unit USD
    Val 24,002,000,000
  48. Description Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fact DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
    Label Derivative Liability, Fair Value, Amount Not Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 5,833,000,000
  49. Description Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.
    Fact PreferredStockSharesIssued
    Label Preferred Stock, Shares Issued
    Taxonomy us-gaap
    Unit shares
    Val 15,826
  50. Description Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.
    Fact IncomeTaxReceivable
    Label Income Taxes Receivable
    Taxonomy us-gaap
    Unit USD
    Val 2,499,000,000
  51. Description Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.
    Fact DeferredRevenue
    Label Deferred Revenue
    Taxonomy us-gaap
    Unit USD
    Val 1,020,000,000
  52. Description Fair value of collateral permitted, by contact or custom, to be sold or re-pledged.
    Fact FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged
    Label Fair Value of Securities Received as Collateral that Can be Resold or Repledged
    Taxonomy us-gaap
    Unit USD
    Val 31,000,000,000
  53. Description Fair value as of the balance sheet date of customer securities accepted as collateral by the entity that it is permitted by contract or custom to sell or re-pledge to counterparties as collateral.
    Fact CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeFairValue
    Label Customer Securities for which Entity has Right to Sell or Repledge, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000,000
  54. Description Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableRecordedInvestment
    Label Impaired Financing Receivable, Recorded Investment
    Taxonomy us-gaap
    Unit USD
    Val 36,000,000
  55. Description Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fact DerivativeAssets
    Label Derivative Asset
    Taxonomy us-gaap
    Unit USD
    Val 3,862,000,000
  56. Description Amount, after effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral
    Label Securities Purchased under Agreements to Resell, Amount Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 1,096,000,000
  57. Description Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
    Fact CommonStockSharesIssued
    Label Common Stock, Shares, Issued
    Taxonomy us-gaap
    Unit shares
    Val 1,268,036,220
  58. Description Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.
    Fact DerivativeLiabilityNotSubjectToMasterNettingArrangement
    Label Derivative Liability, Not Subject to Master Netting Arrangement
    Taxonomy us-gaap
    Unit USD
    Val 2,248,000,000
  59. Description Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets.
    Fact DerivativeCollateralObligationToReturnSecurities
    Label Derivative, Collateral, Obligation to Return Securities
    Taxonomy us-gaap
    Unit USD
    Val 620,000,000
  60. Description Amount receivable from broker-dealers and clearing organizations, including, but not limited to, securities failed-to-deliver, certain deposits for securities borrowed, open transactions, good faith and margin deposits, commissions and floor brokerage receivables.
    Fact ReceivablesFromBrokersDealersAndClearingOrganizations
    Label Receivables from Brokers-Dealers and Clearing Organizations
    Taxonomy us-gaap
    Unit USD
    Val 864,000,000
  61. Description Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fact DerivativeFairValueOfDerivativeLiability
    Label Derivative Liability, Fair Value, Gross Liability
    Taxonomy us-gaap
    Unit USD
    Val 20,254,000,000
  62. Description Amount, after the effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesBorrowed
    Label Securities Borrowed
    Taxonomy us-gaap
    Unit USD
    Val 114,000,000
  63. Description Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.
    Fact Liabilities
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 336,006,000,000
  64. Description Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
    Fact Assets
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 374,516,000,000
  65. Description Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.
    Fact LoansReceivableFairValueDisclosure
    Label Loans Receivable, Fair Value Disclosure
    Taxonomy us-gaap
    Unit USD
    Val 16,000,000
  66. Description Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fact DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
    Label Derivative Asset, Fair Value, Amount Not Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 4,482,000,000
  67. Description Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
    Taxonomy us-gaap
    Unit USD
    Val 75,000,000
  68. Description The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.
    Fact TreasuryStockValue
    Label Treasury Stock, Value
    Taxonomy us-gaap
    Unit USD
    Val 3,140,000,000
  69. Description Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.
    Fact AccountsReceivableNet
    Label Accounts Receivable, after Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 3,616,000,000
  70. Description Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.
    Fact ImpairedFinancingReceivableUnpaidPrincipalBalance
    Label Impaired Financing Receivable, Unpaid Principal Balance
    Taxonomy us-gaap
    Unit USD
    Val 54,000,000
  71. Description Amount, after effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price offset against a right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral
    Label Securities Sold under Agreements to Repurchase, Amount Offset Against Collateral
    Taxonomy us-gaap
    Unit USD
    Val 1,096,000,000
  72. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fact StockholdersEquity
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val 37,497,000,000
  73. Description Amount, after the effects of master netting arrangements, of securities loaned to entities in exchange for collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesLoaned
    Label Securities Loaned
    Taxonomy us-gaap
    Unit USD
    Val 63,000,000
  74. Description Fair value of the collateral, or portion thereof, that has been re-pledged, delivered, or otherwise used.
    Fact FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged
    Label Fair Value of Securities Received as Collateral that Have Been Resold or Repledged
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000,000
  75. Description Financing receivables that are equal to or greater than 90 days past due.
    Fact FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue
    Label Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due (Deprecated 2015-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  76. Description The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments).
    Fact FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments
    Label Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments
    Taxonomy us-gaap
    Unit USD
    Val 54,000,000
  77. Description Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact CommonStockValue
    Label Common Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000
  78. Description Financing receivables that are less than 60 days past due but more than 29 days past due.
    Fact FinancingReceivableRecordedInvestment30To59DaysPastDue
    Label Financing Receivable, Recorded Investment, 30 to 59 Days Past Due (Deprecated 2015-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 136,000,000
  79. Description Amount, before effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fact SecuritiesPurchasedUnderAgreementsToResellGross
    Label Securities Purchased under Agreements to Resell, Gross
    Taxonomy us-gaap
    Unit USD
    Val 5,511,000,000
  80. Description Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
    Label Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance
    Taxonomy us-gaap
    Unit USD
    Val 50,000,000
  81. Description Amount of allowance for credit losses related to recorded investment.
    Fact ImpairedFinancingReceivableRelatedAllowance
    Label Impaired Financing Receivable, Related Allowance
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  82. Description Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact DerivativeLiabilities
    Label Derivative Liability
    Taxonomy us-gaap
    Unit USD
    Val 3,496,000,000
  83. Description Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.
    Fact AccumulatedOtherComprehensiveIncomeLossNetOfTax
    Label Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val -892,000,000
  84. Description Amount, before effects of master netting arrangements, of securities loaned to entities in exchange for collateral. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.
    Fact SecuritiesLoanedGross
    Label Securities Loaned, Gross
    Taxonomy us-gaap
    Unit USD
    Val 1,947,000,000
  85. Description Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.
    Fact DerivativeCollateralRightToReclaimCash
    Label Derivative, Collateral, Right to Reclaim Cash
    Taxonomy us-gaap
    Unit USD
    Val 0
  86. Description Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
    Label Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  87. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fact CommonStockSharesAuthorized
    Label Common Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 3,500,000,000
  88. Description Amount, before effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.
    Fact SecuritiesBorrowedGross
    Label Securities Borrowed, Gross
    Taxonomy us-gaap
    Unit USD
    Val 4,669,000,000
  89. Description Amount of right to receive securities collateral under master netting arrangements that have not been offset against securities loaned.
    Fact SecuritiesLoanedCollateralRightToReclaimSecurities
    Label Securities Loaned, Collateral, Right to Reclaim Securities
    Taxonomy us-gaap
    Unit USD
    Val 1,884,000,000
  90. Description Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.
    Fact IntangibleAssetsNetExcludingGoodwill
    Label Intangible Assets, Net (Excluding Goodwill)
    Taxonomy us-gaap
    Unit USD
    Val 4,452,000,000
  91. Description Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).
    Fact FederalReserveBankStock
    Label Federal Reserve Bank Stock
    Taxonomy us-gaap
    Unit USD
    Val 441,000,000

Facts up to 2013-09-30

  1. Description The cash inflow from the additional capital contribution to the entity.
    Fact ProceedsFromIssuanceOfCommonStock
    Label Proceeds from Issuance of Common Stock
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 19,000,000
  2. Description Amount of cash (inflow) outflow from investing activities classified as other.
    Fact PaymentsForProceedsFromOtherInvestingActivities
    Label Payments for (Proceeds from) Other Investing Activities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 227,000,000
  3. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Label Earnings Per Share, Diluted
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.3
  4. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Frame CY2013Q3
    Label Earnings Per Share, Diluted
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.82
  5. Description Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,426,000,000
  6. Description Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
    Frame CY2013Q3
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -122,000,000
  7. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Label Income Tax Expense (Benefit)
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,420,000,000
  8. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Frame CY2013Q3
    Label Income Tax Expense (Benefit)
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 19,000,000
  9. Description Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
    Frame CY2013Q3I
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
    Taxonomy us-gaap
    Unit USD
    Val 181,000,000
  10. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,248,000,000
  11. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Frame CY2013Q3
    Label Interest Income (Expense), Net
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 772,000,000
  12. Description Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
    Label Impaired Financing Receivable, with Related Allowance, Average Recorded Investment
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 76,000,000
  13. Description Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
    Frame CY2013Q3
    Label Impaired Financing Receivable, with Related Allowance, Average Recorded Investment
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 51,000,000
  14. Description The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.
    Fact IncreaseDecreaseInDeposits
    Label Increase (Decrease) in Deposits
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 8,741,000,000
  15. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact Goodwill
    Frame CY2013Q3I
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 18,025,000,000
  16. Description Amount, after troubled debt restructuring, of modified financing receivable.
    Fact FinancingReceivableModificationsPostModificationRecordedInvestment2
    Frame CY2013Q3
    Label Financing Receivable, Troubled Debt Restructuring, Postmodification
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 9,000,000
  17. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes.
    Fact EffectiveIncomeTaxRateReconciliationTaxExemptIncome
    Label Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.03
  18. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -673,000,000
  19. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 354,000,000
  20. Description Amount of cash outflow through purchase of long-term held-to-maturity securities.
    Fact PaymentsToAcquireHeldToMaturitySecurities
    Label Payments to Acquire Held-to-maturity Securities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 6,737,000,000
  21. Description Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact GoodwillTranslationAndPurchaseAccountingAdjustments
    Label Goodwill, Translation and Purchase Accounting Adjustments
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  22. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  23. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Frame CY2013Q3
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  24. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 41,000,000
  25. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 8,000,000
  26. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fact NetCashProvidedByUsedInFinancingActivities
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 11,244,000,000
  27. Description Amount of cash inflow (outflow) for debt classified as other.
    Fact ProceedsFromRepaymentsOfOtherDebt
    Label Proceeds from (Repayments of) Other Debt
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -541,000,000
  28. Description Number of financing receivables that have been modified by troubled debt restructurings.
    Fact FinancingReceivableModificationsNumberOfContracts2
    Frame CY2013Q3
    Label Financing Receivable, Modifications, Number of Contracts
    Start 2013-07-01
    Taxonomy us-gaap
    Unit Contract
    Val 34
  29. Description Amount of Net Income (Loss) attributable to noncontrolling interest.
    Fact NetIncomeLossAttributableToNoncontrollingInterest
    Label Net Income (Loss) Attributable to Noncontrolling Interest
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 64,000,000
  30. Description Amount of Net Income (Loss) attributable to noncontrolling interest.
    Fact NetIncomeLossAttributableToNoncontrollingInterest
    Frame CY2013Q3
    Label Net Income (Loss) Attributable to Noncontrolling Interest
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 8,000,000
  31. Description The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
    Label Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,107,000,000
  32. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Label Deferred Income Tax Expense (Benefit)
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 314,000,000
  33. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to lease expense.
    Fact EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLeases
    Label Effective Income Tax Rate Reconciliation, Nondeductible Expense, Leases, Percent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  34. Description The aggregate expense incurred on federal funds purchased and securities sold under agreements to repurchase. If amounts recognized as payables under repurchase agreements have been offset against amounts recognized as receivables under reverse repurchase agreements and reported as a net amount on the balance sheet, the income and expense from these agreements may be reported on a net basis.
    Fact InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase
    Label Interest Expense, Federal Funds Purchased and Securities Sold under Agreements to Repurchase
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -13,000,000
  35. Description The aggregate expense incurred on federal funds purchased and securities sold under agreements to repurchase. If amounts recognized as payables under repurchase agreements have been offset against amounts recognized as receivables under reverse repurchase agreements and reported as a net amount on the balance sheet, the income and expense from these agreements may be reported on a net basis.
    Fact InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase
    Frame CY2013Q3
    Label Interest Expense, Federal Funds Purchased and Securities Sold under Agreements to Repurchase
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -4,000,000
  36. Description Amount after tax of other comprehensive income (loss) attributable to parent entity.
    Fact OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
    Label Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -696,000,000
  37. Description Amount after tax of other comprehensive income (loss) attributable to parent entity.
    Fact OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 312,000,000
  38. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 51,000,000
  39. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -30,000,000
  40. Description Amount, before troubled debt restructuring, of financing receivable to be modified.
    Fact FinancingReceivableModificationsPreModificationRecordedInvestment2
    Frame CY2013Q3
    Label Financing Receivable, Troubled Debt Restructuring, Premodification
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 8,000,000
  41. Description Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 51,000,000
  42. Description Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -25,000,000
  43. Description Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -863,000,000
  44. Description Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Frame CY2013Q3
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -74,000,000
  45. Description Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on trading securities and other forms of securities that provide ownership interests.
    Fact InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue
    Label Interest and Dividend Income, Securities, Operating, Trading or Measured at Fair Value
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 113,000,000
  46. Description Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on trading securities and other forms of securities that provide ownership interests.
    Fact InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue
    Frame CY2013Q3
    Label Interest and Dividend Income, Securities, Operating, Trading or Measured at Fair Value
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 38,000,000
  47. Description Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -66,000,000
  48. Description Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
    Frame CY2013Q3
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -21,000,000
  49. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,527,000,000
  50. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Frame CY2013Q3
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 962,000,000
  51. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 372,000,000
  52. Description The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
    Fact ProfitLoss
    Label Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,629,000,000
  53. Description The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
    Fact ProfitLoss
    Frame CY2013Q3
    Label Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 983,000,000
  54. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Label Other Noninterest Expense
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 771,000,000
  55. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Frame CY2013Q3
    Label Other Noninterest Expense
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 249,000,000
  56. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fact AmortizationOfIntangibleAssets
    Label Amortization of Intangible Assets
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 260,000,000
  57. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fact AmortizationOfIntangibleAssets
    Frame CY2013Q3
    Label Amortization of Intangible Assets
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 81,000,000
  58. Description The aggregate interest income earned from (1) the lending of excess federal funds to another commercial bank requiring such for its legal reserve requirements and (2) securities purchased under agreements to resell.
    Fact InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell
    Label Interest Income, Federal Funds Sold and Securities Purchased under Agreements to Resell
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 33,000,000
  59. Description The aggregate interest income earned from (1) the lending of excess federal funds to another commercial bank requiring such for its legal reserve requirements and (2) securities purchased under agreements to resell.
    Fact InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell
    Frame CY2013Q3
    Label Interest Income, Federal Funds Sold and Securities Purchased under Agreements to Resell
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000
  60. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTax
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 869,000,000
  61. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTax
    Frame CY2013Q3
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,287,000,000
  62. Description Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.
    Fact ImpairedFinancingReceivableInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, Interest Income, Accrual Method
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  63. Description Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.
    Fact ImpairedFinancingReceivableInterestIncomeAccrualMethod
    Frame CY2013Q3
    Label Impaired Financing Receivable, Interest Income, Accrual Method
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  64. Description Fees paid to an agent employed by a corporation or mutual fund to maintain shareholder records, including purchases, sales, and account balances. Also includes custodian fees incurred during an accounting period from an agent, bank, trust company, or other organization that holds and safeguards an individual's, mutual fund's, or investment company's assets for them. These fees will be billed back to the client and are a component of noninterest expense.
    Fact NoninterestExpenseTransferAgentAndCustodianFees
    Label Noninterest Expense Transfer Agent and Custodian Fees
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 212,000,000
  65. Description Fees paid to an agent employed by a corporation or mutual fund to maintain shareholder records, including purchases, sales, and account balances. Also includes custodian fees incurred during an accounting period from an agent, bank, trust company, or other organization that holds and safeguards an individual's, mutual fund's, or investment company's assets for them. These fees will be billed back to the client and are a component of noninterest expense.
    Fact NoninterestExpenseTransferAgentAndCustodianFees
    Frame CY2013Q3
    Label Noninterest Expense Transfer Agent and Custodian Fees
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 71,000,000
  66. Description The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
    Frame CY2013Q3I
    Label Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 195,000,000
  67. Description Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends.
    Fact WeightedAverageNumberOfSharesRestrictedStock
    Label Weighted Average Number of Shares, Restricted Stock
    Start 2013-01-01
    Taxonomy us-gaap
    Unit shares
    Val 12,618,000
  68. Description Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends.
    Fact WeightedAverageNumberOfSharesRestrictedStock
    Frame CY2013Q3
    Label Weighted Average Number of Shares, Restricted Stock
    Start 2013-07-01
    Taxonomy us-gaap
    Unit shares
    Val 13,281,000
  69. Description Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 105,000,000
  70. Description Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
    Frame CY2013Q3
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 31,000,000
  71. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Frame CY2013Q3I
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 339,000,000
  72. Description The balance of financing receivables that were individually evaluated for impairment.
    Fact FinancingReceivableIndividuallyEvaluatedForImpairment
    Frame CY2013Q3I
    Label Financing Receivable, Individually Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 41,000,000
  73. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities exempt from state, federal and other income tax.
    Fact InterestIncomeSecuritiesTaxExempt
    Label Interest Income, Securities, Operating, Tax Exempt
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 72,000,000
  74. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities exempt from state, federal and other income tax.
    Fact InterestIncomeSecuritiesTaxExempt
    Frame CY2013Q3
    Label Interest Income, Securities, Operating, Tax Exempt
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 25,000,000
  75. Description Aggregate amount of interest paid or due on all long-term debt.
    Fact InterestExpenseLongTermDebt
    Label Interest Expense, Long-term Debt
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 149,000,000
  76. Description Aggregate amount of interest paid or due on all long-term debt.
    Fact InterestExpenseLongTermDebt
    Frame CY2013Q3
    Label Interest Expense, Long-term Debt
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 49,000,000
  77. Description Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -171,000,000
  78. Description Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
    Frame CY2013Q3
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -52,000,000
  79. Description Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.
    Fact EffectOfExchangeRateOnCashAndCashEquivalents
    Label Effect of Exchange Rate on Cash and Cash Equivalents
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -75,000,000
  80. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 10,000,000
  81. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Frame CY2013Q3
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  82. Description Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.
    Fact InterestIncomeExpenseAfterProvisionForLoanLoss
    Label Interest Income (Expense), after Provision for Loan Loss
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,289,000,000
  83. Description Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.
    Fact InterestIncomeExpenseAfterProvisionForLoanLoss
    Frame CY2013Q3
    Label Interest Income (Expense), after Provision for Loan Loss
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 770,000,000
  84. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Label Labor and Related Expense
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,497,000,000
  85. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Frame CY2013Q3
    Label Labor and Related Expense
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,516,000,000
  86. Description The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.
    Fact ProceedsFromSaleOfAvailableForSaleSecurities
    Label Proceeds from Sale of Available-for-sale Securities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 14,824,000,000
  87. Description Business development involves the development of products and services, their delivery, design and their implementation. Business development includes a number of techniques designed to grow an economic enterprise. Such techniques include, but are not limited to, assessments of marketing opportunities and target markets, intelligence gathering on customers and competitors, generating leads for possible sales, follow-up sales activity, formal proposal writing and business model design. Business development involves evaluating a business and then realizing its full potential, using such tools as marketing, sales, information management and customer service.
    Fact BusinessDevelopment
    Label Business Development
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 221,000,000
  88. Description Business development involves the development of products and services, their delivery, design and their implementation. Business development includes a number of techniques designed to grow an economic enterprise. Such techniques include, but are not limited to, assessments of marketing opportunities and target markets, intelligence gathering on customers and competitors, generating leads for possible sales, follow-up sales activity, formal proposal writing and business model design. Business development involves evaluating a business and then realizing its full potential, using such tools as marketing, sales, information management and customer service.
    Fact BusinessDevelopment
    Frame CY2013Q3
    Label Business Development
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 63,000,000
  89. Description Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
    Label Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 15,000,000
  90. Description Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
    Frame CY2013Q3
    Label Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 17,000,000
  91. Description Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 81,000,000
  92. Description Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 385,000,000
  93. Description Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact GoodwillPurchaseAccountingAdjustments
    Label Goodwill, Purchase Accounting Adjustments
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 17,000,000
  94. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fact NoninterestIncome
    Label Noninterest Income
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 9,126,000,000
  95. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fact NoninterestIncome
    Frame CY2013Q3
    Label Noninterest Income
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 3,003,000,000
  96. Description Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 57,000,000
  97. Description Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 295,000,000
  98. Description Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
    Fact InterestPaidNet
    Label Interest Paid, Excluding Capitalized Interest, Operating Activities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 286,000,000
  99. Description Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 127,000,000
  100. Description Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -57,000,000
  101. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2013-01-01
    Taxonomy us-gaap
    Unit shares
    Val 77,758,000
  102. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Frame CY2013Q3
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2013-07-01
    Taxonomy us-gaap
    Unit shares
    Val 58,735,000
  103. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,986,000,000
  104. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Frame CY2013Q3
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 994,000,000
  105. Description The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).
    Fact PaymentsToAcquireBusinessesAndInterestInAffiliates
    Label Payments to Acquire Businesses and Interest in Affiliates
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 17,000,000
  106. Description Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 17,000,000
  107. Description Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
    Frame CY2013Q3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000
  108. Description Interest expense incurred during the reporting period on other short-term borrowings.
    Fact InterestExpenseOtherShortTermBorrowings
    Label Interest Expense, Other Short-term Borrowings
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  109. Description Interest expense incurred during the reporting period on other short-term borrowings.
    Fact InterestExpenseOtherShortTermBorrowings
    Frame CY2013Q3
    Label Interest Expense, Other Short-term Borrowings
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  110. Description Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held.
    Fact FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
    Label Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss)
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 27,000,000
  111. Description Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held.
    Fact FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
    Frame CY2013Q3
    Label Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss)
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -1,000,000
  112. Description A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.
    Fact ProfessionalFees
    Label Professional Fees
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 908,000,000
  113. Description A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.
    Fact ProfessionalFees
    Frame CY2013Q3
    Label Professional Fees
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 296,000,000
  114. Description The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
    Frame CY2013Q3I
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
    Taxonomy us-gaap
    Unit USD
    Val 165,000,000
  115. Description The net cash inflow or outflow from the fund lent to other financial institution arising from the excess in reserve deposited at Federal Reserve Bank to meet legal requirement. This borrowing is usually contracted on an overnight basis at an agreed rate of interest. Also include cash inflow or outflow from investment sold under the agreement to reacquire such investment.
    Fact IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet
    Label Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,310,000,000
  116. Description This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses.
    Fact EquipmentExpense
    Label Equipment Expense
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 248,000,000
  117. Description This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses.
    Fact EquipmentExpense
    Frame CY2013Q3
    Label Equipment Expense
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 79,000,000
  118. Description Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  119. Description Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.
    Fact ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod
    Frame CY2013Q3
    Label Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  120. Description The amount of expenses incurred in the period for information technology and data processing products and services.
    Fact InformationTechnologyAndDataProcessing
    Label Information Technology and Data Processing
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 444,000,000
  121. Description The amount of expenses incurred in the period for information technology and data processing products and services.
    Fact InformationTechnologyAndDataProcessing
    Frame CY2013Q3
    Label Information Technology and Data Processing
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 147,000,000
  122. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,506,000,000
  123. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Frame CY2013Q3
    Label Interest and Dividend Income, Operating
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 855,000,000
  124. Description Value transferred out of real estate owned (REO) in noncash transactions.
    Fact TransferOfOtherRealEstate
    Label Real Estate Owned, Transfer from Real Estate Owned
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  125. Description The amount of cash received during the period as refunds for the overpayment of taxes.
    Fact ProceedsFromIncomeTaxRefunds
    Label Proceeds from Income Tax Refunds
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 24,000,000
  126. Description This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which no such other than temporary impairment (OTTI) was previously recognized.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 16,000,000
  127. Description This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which no such other than temporary impairment (OTTI) was previously recognized.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment
    Frame CY2013Q3
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  128. Description Amount after tax of income (loss) from continuing operations attributable to the parent.
    Fact IncomeLossFromContinuingOperations
    Label Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,565,000,000
  129. Description The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.
    Fact RepaymentsOfLongTermDebt
    Label Repayments of Long-term Debt
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,928,000,000
  130. Description Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  131. Description Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
    Frame CY2013Q3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  132. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fact InterestAndFeeIncomeLoansAndLeases
    Label Interest and Fee Income, Loans and Leases
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 505,000,000
  133. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fact InterestAndFeeIncomeLoansAndLeases
    Frame CY2013Q3
    Label Interest and Fee Income, Loans and Leases
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 169,000,000
  134. Description The cash flow from the funds lent to and (borrowed from) other financial reporting institutions arising from excess or shortfall in reserve deposited at the Federal Reserve Bank to meet legal requirements. This lending and borrowing is usually contracted on an overnight basis at an agreed rate of interest. Also include cash outflow or inflow from investments purchased under the agreement to resell such investment.
    Fact ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet
    Label Proceeds from (Payments for) Federal Funds Sold and Securities Purchased under Agreements to Resell, Net
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -2,598,000,000
  135. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit.
    Fact EffectiveIncomeTaxRateReconciliationTaxCreditsForeign
    Label Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  136. Description Amount of gain (loss) from the ineffectiveness of the hedge.
    Fact DerivativeNetHedgeIneffectivenessGainLoss
    Label Derivative, Net Hedge Ineffectiveness Gain (Loss)
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 14,200,000
  137. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.35
  138. Description Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).
    Fact LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans
    Label Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 8,000,000
  139. Description Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).
    Fact LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans
    Frame CY2013Q3
    Label Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  140. Description This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 10,000,000
  141. Description This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses
    Frame CY2013Q3
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  142. Description Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.
    Fact PaymentsOfDividendsCommonStock
    Label Payments of Ordinary Dividends, Common Stock
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 505,000,000
  143. Description Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.
    Fact ForeignCurrencyTransactionGainLossBeforeTax
    Label Foreign Currency Transaction Gain (Loss), before Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 482,000,000
  144. Description Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.
    Fact ForeignCurrencyTransactionGainLossBeforeTax
    Frame CY2013Q3
    Label Foreign Currency Transaction Gain (Loss), before Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 154,000,000
  145. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
    Fact IncomeTaxesPaid
    Label Income Taxes Paid
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 305,000,000
  146. Description The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.
    Fact WeightedAverageNumberDilutedSharesOutstandingAdjustment
    Label Weighted Average Number Diluted Shares Outstanding Adjustment
    Start 2013-01-01
    Taxonomy us-gaap
    Unit shares
    Val 16,242,000
  147. Description The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.
    Fact WeightedAverageNumberDilutedSharesOutstandingAdjustment
    Frame CY2013Q3
    Label Weighted Average Number Diluted Shares Outstanding Adjustment
    Start 2013-07-01
    Taxonomy us-gaap
    Unit shares
    Val 17,236,000
  148. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -814,000,000
  149. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Frame CY2013Q3
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -72,000,000
  150. Description Amount of cash inflow (outflow) from financing activities classified as other.
    Fact ProceedsFromPaymentsForOtherFinancingActivities
    Label Proceeds from (Payments for) Other Financing Activities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -181,000,000
  151. Description Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 76,000,000
  152. Description Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -32,000,000
  153. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax.
    Fact InterestIncomeSecuritiesTaxable
    Label Interest Income, Securities, Operating, Taxable
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,354,000,000
  154. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax.
    Fact InterestIncomeSecuritiesTaxable
    Frame CY2013Q3
    Label Interest Income, Securities, Operating, Taxable
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 460,000,000
  155. Description Amount of tax expense (benefit) allocated to other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossTax
    Label Other Comprehensive Income (Loss), Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -521,000,000
  156. Description Amount of tax expense (benefit) allocated to other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -112,000,000
  157. Description The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.
    Fact PreferredStockDividendsIncomeStatementImpact
    Label Preferred Stock Dividends, Income Statement Impact
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 38,000,000
  158. Description The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.
    Fact PreferredStockDividendsIncomeStatementImpact
    Frame CY2013Q3
    Label Preferred Stock Dividends, Income Statement Impact
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000
  159. Description Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 19,000,000
  160. Description Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
    Frame CY2013Q3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 14,000,000
  161. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fact NetCashProvidedByUsedInInvestingActivities
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -8,537,000,000
  162. Description The increase (decrease) during the reporting period in the aggregate amount of obligations incurred arising from transactions with broker-dealers, such as amounts due on margin and unsettled cash transactions; includes payables to brokers, dealers and clearing organizations.
    Fact IncreaseDecreaseInPayablesToBrokerDealers
    Label Increase (Decrease) in Payables to Broker-Dealers and Clearing Organizations
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -802,000,000
  163. Description The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
    Fact ProceedsFromIssuanceOfLongTermDebt
    Label Proceeds from Issuance of Long-term Debt
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,696,000,000
  164. Description Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.
    Fact CashAndCashEquivalentsPeriodIncreaseDecrease
    Label Cash and Cash Equivalents, Period Increase (Decrease)
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,577,000,000
  165. Description Amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities.
    Fact TradingGainsLosses
    Label Trading Gain (Loss)
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 46,000,000
  166. Description Amount of gain (loss) resulting from the difference between the acquisition price and the selling price or fair value of trading assets and trading liabilities, conducted separately from customer trading activities. Includes, but is not limited to, changes in fair value of trading assets and trading liabilities.
    Fact TradingGainsLosses
    Frame CY2013Q3
    Label Trading Gain (Loss)
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 6,000,000
  167. Description Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  168. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 83,000,000
  169. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Frame CY2013Q3
    Label Interest Expense, Deposits
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 26,000,000
  170. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 258,000,000
  171. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2013Q3
    Label Interest Expense
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 83,000,000
  172. Description Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 69,000,000
  173. Description Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
    Frame CY2013Q3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 10,000,000
  174. Description Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  175. Description Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  176. Description Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 90,000,000
  177. Description Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 10,000,000
  178. Description Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
    Fact CashAndCashEquivalentsAtCarryingValue
    Frame CY2013Q3I
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 7,304,000,000
  179. Description Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableAllowance
    Frame CY2013Q3I
    Label Loans and Leases Receivable, Allowance
    Taxonomy us-gaap
    Unit USD
    Val 206,000,000
  180. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.
    Fact EffectiveIncomeTaxRateReconciliationTaxSettlements
    Label Effective Income Tax Rate Reconciliation, Tax Settlement, Percent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.19
  181. Description The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both.
    Fact PaymentsForProceedsFromLoansAndLeases
    Label Payments for (Proceeds from) Loans and Leases
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,586,000,000
  182. Description Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests.
    Fact OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
    Label Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 23,000,000
  183. Description Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests.
    Fact OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 42,000,000
  184. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.
    Fact EffectiveIncomeTaxRateReconciliationTaxCredits
    Label Effective Income Tax Rate Reconciliation, Tax Credit, Percent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  185. Description Amount of interest expense for an underpayment of income taxes.
    Fact UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense
    Label Unrecognized Tax Benefits, Interest on Income Taxes Expense
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 187,000,000
  186. Description The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.
    Fact ProceedsFromDivestitureOfBusinesses
    Label Proceeds from Divestiture of Businesses
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 84,000,000
  187. Description Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -563,000,000
  188. Description Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
    Frame CY2013Q3
    Label OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -48,000,000
  189. Description Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax
    Label OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -24,000,000
  190. Description Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax
    Frame CY2013Q3
    Label OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -90,000,000
  191. Description Amount of decrease in the fair value of derivatives recognized in the income statement.
    Fact DerivativeLossOnDerivative
    Frame CY2013Q3
    Label Derivative, Loss on Derivative
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 1,200,000
  192. Description The net cash inflow from (a) sales of loans held-for-investment, (b) sales of leases held-for-investment, and (c) both. Includes proceeds from securitizations of loans.
    Fact ProceedsFromSaleOfLoansAndLeasesHeldForInvestment
    Label Proceeds from Sale of Loans and Leases Held-for-investment
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 104,000,000
  193. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fact WeightedAverageNumberOfSharesOutstandingBasic
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2013-01-01
    Taxonomy us-gaap
    Unit shares
    Val 1,153,327,000
  194. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fact WeightedAverageNumberOfSharesOutstandingBasic
    Frame CY2013Q3
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2013-07-01
    Taxonomy us-gaap
    Unit shares
    Val 1,148,724,000
  195. Description Expense related to distribution, servicing and underwriting fees.
    Fact ExpenseRelatedToDistributionOrServicingAndUnderwritingFees
    Label Expense Related to Distribution or Servicing and Underwriting Fees
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 325,000,000
  196. Description Expense related to distribution, servicing and underwriting fees.
    Fact ExpenseRelatedToDistributionOrServicingAndUnderwritingFees
    Frame CY2013Q3
    Label Expense Related to Distribution or Servicing and Underwriting Fees
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 108,000,000
  197. Description The balance of financing receivables that were collectively evaluated for impairment.
    Fact FinancingReceivableCollectivelyEvaluatedForImpairment
    Frame CY2013Q3I
    Label Financing Receivable, Collectively Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 50,097,000,000
  198. Description Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
    Frame CY2013Q3I
    Label Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 11,000,000
  199. Description The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fact DepreciationAmortizationAndAccretionNet
    Label Depreciation, Amortization and Accretion, Net
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,051,000,000
  200. Description Amount before tax, after reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossBeforeTax
    Label Other Comprehensive Income (Loss), before Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,194,000,000
  201. Description Amount before tax, after reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossBeforeTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), before Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 242,000,000
  202. Description Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
    Label Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 7,854,000,000
  203. Description Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 123,000,000
  204. Description Amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -74,000,000
  205. Description Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 81,000,000
  206. Description Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 385,000,000
  207. Description Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.
    Fact InterestIncomeDepositsWithFinancialInstitutions
    Label Interest Income, Deposits with Financial Institutions
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 209,000,000
  208. Description Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.
    Fact InterestIncomeDepositsWithFinancialInstitutions
    Frame CY2013Q3
    Label Interest Income, Deposits with Financial Institutions
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 70,000,000
  209. Description Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities
    Label Proceeds from Sale and Maturity of Debt Securities, Available-for-sale
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,339,000,000
  210. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fact EarningsPerShareBasic
    Label Earnings Per Share, Basic
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.3
  211. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fact EarningsPerShareBasic
    Frame CY2013Q3
    Label Earnings Per Share, Basic
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.82
  212. Description Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 66,000,000
  213. Description Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax
    Frame CY2013Q3
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 21,000,000
  214. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Label Net Income (Loss) Attributable to Parent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,565,000,000
  215. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Frame CY2013Q3
    Label Net Income (Loss) Attributable to Parent
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 975,000,000
  216. Description Amount of increase (decrease) in operating liabilities classified as other.
    Fact IncreaseDecreaseInOtherOperatingLiabilities
    Label Increase (Decrease) in Other Operating Liabilities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -945,000,000
  217. Description Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
    Frame CY2013Q3I
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
    Taxonomy us-gaap
    Unit USD
    Val 92,000,000
  218. Description Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  219. Description Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
    Frame CY2013Q3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  220. Description Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -110,000,000
  221. Description Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
    Frame CY2013Q3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -5,000,000
  222. Description Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  223. Description Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 17,000,000
  224. Description Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 171,000,000
  225. Description Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.
    Fact OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax
    Frame CY2013Q3
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 52,000,000
  226. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Label Payments for Repurchase of Common Stock
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 705,000,000
  227. Description Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.
    Fact ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
    Label Proceeds from Issuance of Preferred Stock and Preference Stock
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 494,000,000
  228. Description The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.
    Fact PaymentsToAcquireAvailableForSaleSecurities
    Label Payments to Acquire Available-for-sale Securities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 19,787,000,000
  229. Description Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  230. Description Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.
    Fact ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
    Frame CY2013Q3
    Label Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  231. Description Amount of increase (decrease) of investment in debt and equity securities, measured at fair value with changes in fair value recognized in net income.
    Fact IncreaseDecreaseInTradingSecurities
    Label Increase (Decrease) in Debt Securities, Trading, and Equity Securities, FV-NI
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,866,000,000
  232. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 8,429,000,000
  233. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Frame CY2013Q3
    Label Noninterest Expense
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 2,779,000,000
  234. Description Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.
    Fact FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
    Label Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss)
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -13,000,000
  235. Description Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.
    Fact FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
    Frame CY2013Q3
    Label Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss)
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -2,000,000
  236. Description Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  237. Description Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 12,000,000
  238. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fact WeightedAverageNumberOfDilutedSharesOutstanding
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2013-01-01
    Taxonomy us-gaap
    Unit shares
    Val 1,156,951,000
  239. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fact WeightedAverageNumberOfDilutedSharesOutstanding
    Frame CY2013Q3
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2013-07-01
    Taxonomy us-gaap
    Unit shares
    Val 1,152,679,000
  240. Description Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -105,000,000
  241. Description Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.
    Fact OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
    Frame CY2013Q3
    Label Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -31,000,000
  242. Description Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
    Label Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,629,000,000
  243. Description Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
    Frame CY2013Q3
    Label Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 983,000,000
  244. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 49,000,000
  245. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  246. Description Interest expense incurred during the reporting period on commercial paper.
    Fact InterestExpenseCommercialPaper
    Label Interest Expense, Commercial Paper
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  247. Description Interest expense incurred during the reporting period on commercial paper.
    Fact InterestExpenseCommercialPaper
    Frame CY2013Q3
    Label Interest Expense, Commercial Paper
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  248. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.
    Fact EffectiveIncomeTaxRateReconciliationOtherAdjustments
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.01
  249. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 72,000,000
  250. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax
    Frame CY2013Q3
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -44,000,000
  251. Description Interest expense incurred on short positions arising from sales of securities and other assets, which the entity does not own, to other parties. Trading liabilities includes the fair value of derivative contracts held for trading that are in loss positions.
    Fact InterestExpenseTradingLiabilities
    Label Interest Expense, Trading Liabilities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 29,000,000
  252. Description Interest expense incurred on short positions arising from sales of securities and other assets, which the entity does not own, to other parties. Trading liabilities includes the fair value of derivative contracts held for trading that are in loss positions.
    Fact InterestExpenseTradingLiabilities
    Frame CY2013Q3
    Label Interest Expense, Trading Liabilities
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 9,000,000
  253. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.47
  254. Description Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableAverageRecordedInvestment
    Label Impaired Financing Receivable, Average Recorded Investment
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 91,000,000
  255. Description Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableAverageRecordedInvestment
    Frame CY2013Q3
    Label Impaired Financing Receivable, Average Recorded Investment
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 68,000,000
  256. Description This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 149,000,000
  257. Description This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
    Frame CY2013Q3
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  258. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fact NetCashProvidedByUsedInOperatingActivities
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -55,000,000
  259. Description Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
    Fact Revenues
    Label Revenues
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 11,374,000,000
  260. Description Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
    Fact Revenues
    Frame CY2013Q3
    Label Revenues
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 3,775,000,000
  261. Description Amount, before tax and adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -1,336,000,000
  262. Description Amount, before tax and adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
    Frame CY2013Q3
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -112,000,000
  263. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fact OccupancyNet
    Label Occupancy, Net
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 475,000,000
  264. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fact OccupancyNet
    Frame CY2013Q3
    Label Occupancy, Net
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 153,000,000
  265. Description The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.
    Fact ProceedsFromSaleOfPropertyPlantAndEquipment
    Label Proceeds from Sale of Property, Plant, and Equipment
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  266. Description Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.
    Fact PaymentsOfDividendsPreferredStockAndPreferenceStock
    Label Payments of Ordinary Dividends, Preferred Stock and Preference Stock
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 38,000,000
  267. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).
    Fact EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
    Start 2013-01-01
    Taxonomy us-gaap
    Unit pure
    Val -0.03
  268. Description Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on securities.
    Fact InterestAndDividendIncomeSecurities
    Label Interest and Dividend Income, Securities, Operating
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,426,000,000
  269. Description Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on securities.
    Fact InterestAndDividendIncomeSecurities
    Frame CY2013Q3
    Label Interest and Dividend Income, Securities, Operating
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 485,000,000
  270. Description Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val -522,000,000
  271. Description Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
    Frame CY2013Q3
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -40,000,000
  272. Description The net cash inflow or outflow in Interest-bearing Deposits by banks in other financial institutions for relatively short periods of time including, for example, certificates of deposits.
    Fact ProceedsFromPaymentsForInInterestBearingDepositsInBanks
    Label Proceeds from (Payments for) in Interest-bearing Deposits in Banks
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 3,997,000,000
  273. Description Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.
    Fact PensionContributions
    Label Payment for Pension Benefits
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 30,000,000
  274. Description Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.
    Fact IntangibleAssetsNetExcludingGoodwill
    Frame CY2013Q3I
    Label Intangible Assets, Net (Excluding Goodwill)
    Taxonomy us-gaap
    Unit USD
    Val 4,527,000,000
  275. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Label Proceeds from Stock Options Exercised
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 171,000,000
  276. Description The net cash inflow or cash outflow from issuing (borrowing) and repaying commercial paper.
    Fact ProceedsFromRepaymentsOfCommercialPaper
    Label Proceeds from (Repayments of) Commercial Paper
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 1,513,000,000

Facts up to 2013-06-30

  1. Description Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
    Frame CY2013Q2I
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
    Taxonomy us-gaap
    Unit USD
    Val 209,000,000
  2. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Frame CY2013Q2I
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 337,000,000
  3. Description The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
    Frame CY2013Q2I
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
    Taxonomy us-gaap
    Unit USD
    Val 164,000,000
  4. Description Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
    Frame CY2013Q2I
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
    Taxonomy us-gaap
    Unit USD
    Val 117,000,000

Facts up to 2012-12-31

  1. Description Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
    Taxonomy us-gaap
    Unit USD
    Val 271,000,000
  2. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact Goodwill
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 18,075,000,000
  3. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 387,000,000
  4. Description The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity).
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
    Taxonomy us-gaap
    Unit USD
    Val 288,000,000
  5. Description Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
    Fact CashAndCashEquivalentsAtCarryingValue
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 4,727,000,000
  6. Description Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
    Taxonomy us-gaap
    Unit USD
    Val 224,000,000
  7. Description Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.
    Fact IntangibleAssetsNetExcludingGoodwill
    Label Intangible Assets, Net (Excluding Goodwill)
    Taxonomy us-gaap
    Unit USD
    Val 4,809,000,000

The filing refers to a past date, and does not necessarily reflect the current state. The current state is available on the following page: The Bank of New York Mellon Corporation, New York, United States.

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