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U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system Sec 3 Aug 2012 U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system, United States

Text

Entity

entityName STATE STREET CORPORATION
Cik 93751
Form 10-Q
Filed 2012-08-03
Fp Q2
Fy 2012
Accn 0000093751-12-000079

Facts up to 2012-07-31

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 CY2012Q2I
Label Entity Common Stock, Shares Outstanding
Taxonomy dei
Unit shares
Val 479,105,319

Facts up to 2012-06-30

  1. Description Amount of fees and commissions from financial services and banking activities and correspondent clearing. Includes fees from depositor accounts, credit cards, merchant discounts, and fiduciary and trust activities, guarantee fees, investment advisory, management, and administrative fees, transfer agent fees, and insurance commissions.
    Fact FeesAndCommissions
    Label Fees and Commissions (Deprecated 2018-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 3,563,000,000
  2. Description Amount of fees and commissions from financial services and banking activities and correspondent clearing. Includes fees from depositor accounts, credit cards, merchant discounts, and fiduciary and trust activities, guarantee fees, investment advisory, management, and administrative fees, transfer agent fees, and insurance commissions.
    Fact FeesAndCommissions
    Label Fees and Commissions (Deprecated 2018-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,778,000,000
  3. Description Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.
    Fact RestructuringCharges
    Label Restructuring Charges
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 30,000,000
  4. Description Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.
    Fact RestructuringCharges
    Label Restructuring Charges
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 22,000,000
  5. Description Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.
    Fact AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
    Frame CY2012Q2I
    Label Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val -153,000,000
  6. Description Amount of cash (inflow) outflow from investing activities classified as other.
    Fact PaymentsForProceedsFromOtherInvestingActivities
    Label Payments for (Proceeds from) Other Investing Activities
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -69,000,000
  7. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.83
  8. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.98
  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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 321,000,000
  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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 162,000,000
  11. Description This item represents reductions in the amount of cumulative losses recognized in earnings for other than temporary impairments (OTTI) for which a portion of the impairment had been recognized in other comprehensive income (a component of shareholders' equity) due to a change in status of the impaired security because of a change in the entity's intent to either sell the impaired security or it has become more likely than not that the entity will be required to sell the security before recovery of its cost basis.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsChangeInStatus
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Change in Status
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  12. Description Amount of issuances 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 195,000,000
  13. Description Amount of issuances 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 150,000,000
  14. 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 6,931,000,000
  15. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1,297,000,000
  16. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 672,000,000
  17. 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 CY2012Q2I
    Label Preferred Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 500,000,000
  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 CY2012Q2I
    Label Securities Sold under Agreements to Repurchase
    Taxonomy us-gaap
    Unit USD
    Val 8,893,000,000
  19. 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 5,611,000,000
  20. Description The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees.
    Fact FloorBrokerageExchangeAndClearanceFees
    Label Floor Brokerage, Exchange and Clearance Fees
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 353,000,000
  21. Description The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees.
    Fact FloorBrokerageExchangeAndClearanceFees
    Label Floor Brokerage, Exchange and Clearance Fees
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 172,000,000
  22. Description Reduction to the allowance for credit losses related to collections on financing receivables which have been partially or fully charged off as bad debts.
    Fact FinancingReceivableAllowanceForCreditLossesRecoveries
    Label Financing Receivable, Allowance for Credit Losses, Recoveries (Deprecated 2012-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  23. Description Reduction to the allowance for credit losses related to collections on financing receivables which have been partially or fully charged off as bad debts.
    Fact FinancingReceivableAllowanceForCreditLossesRecoveries
    Frame CY2012Q2
    Label Financing Receivable, Allowance for Credit Losses, Recoveries (Deprecated 2012-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  24. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  25. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -34,000,000
  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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -15,746,000,000
  27. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1,512,000,000
  28. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Label Deferred Income Tax Expense (Benefit)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -55,000,000
  29. Description This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
    Label Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 122,000,000
  30. Description This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
    Frame CY2012Q2
    Label Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val -238,000,000
  31. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Frame CY2012Q2I
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 1,745,000,000
  32. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 122,000,000
  33. 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 CY2012Q2I
    Label Treasury Stock, Shares
    Taxonomy us-gaap
    Unit shares
    Val 25,108,775
  34. 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 CY2012Q2I
    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 35,808,000,000
  35. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  36. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  37. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 14,000,000
  38. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  39. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 897,000,000
  40. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 480,000,000
  41. Description Amount of increase (decrease) in deposit liabilities classified as other.
    Fact IncreaseDecreaseInOtherDeposits
    Label Increase (Decrease) in Other Deposits
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -16,516,000,000
  42. Description This item represents the excess of amortized cost basis over fair value of securities in a loss position and which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses1
    Frame CY2012Q2I
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (Deprecated 2012-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 1,429,000,000
  43. Description Amount of sales 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  44. Description Amount of sales 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  45. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 143,000,000
  46. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 99,000,000
  47. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 48,000,000
  48. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1,039,000,000
  49. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 252,000,000
  50. Description Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.
    Fact RestructuringReserve
    Frame CY2012Q2I
    Label Restructuring Reserve
    Taxonomy us-gaap
    Unit USD
    Val 189,000,000
  51. 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 CY2012Q2I
    Label Pledged Financial Instruments, Not Separately Reported, Securities
    Taxonomy us-gaap
    Unit USD
    Val 38,310,000,000
  52. Description The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
    Frame CY2012Q2I
    Label Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 11,890,000,000
  53. Description Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.
    Fact OtherNoncashIncomeExpense
    Label Other Noncash Income (Expense)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -268,000,000
  54. Description This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for less than twelve months for those securities which are categorized as held-to-maturity.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses
    Frame CY2012Q2I
    Label Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 8,000,000
  55. 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 22,000,000
  56. Description Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentNet
    Frame CY2012Q2I
    Label Property, Plant and Equipment, Net
    Taxonomy us-gaap
    Unit USD
    Val 1,702,000,000
  57. Description This item represents the gross unrealized losses for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossUnrealizedLosses1
    Frame CY2012Q2I
    Label Available-for-sale Securities, Gross Unrealized Losses (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 1,429,000,000
  58. Description Aggregate amount of interest paid or due on all long-term debt.
    Fact InterestExpenseLongTermDebt
    Label Interest Expense, Long-term Debt
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 120,000,000
  59. Description Aggregate amount of interest paid or due on all long-term debt.
    Fact InterestExpenseLongTermDebt
    Label Interest Expense, Long-term Debt
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 54,000,000
  60. Description The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.
    Fact AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
    Label Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds (Deprecated 2018-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  61. Description The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.
    Fact AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
    Label Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds (Deprecated 2018-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val -14,000,000
  62. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareDeclared
    Label Common Stock, Dividends, Per Share, Declared
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.48
  63. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareDeclared
    Label Common Stock, Dividends, Per Share, Declared
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.24
  64. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  65. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Frame CY2012Q2
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  66. Description The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.
    Fact ImpairmentOfInvestments
    Label Other than Temporary Impairment Losses, Investments
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 21,000,000
  67. Description The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.
    Fact ImpairmentOfInvestments
    Label Other than Temporary Impairment Losses, Investments
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000
  68. Description This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.
    Fact StockholdersEquityOther
    Label Stockholders' Equity, Other
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -1,000,000
  69. Description The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.
    Fact AcquisitionCosts
    Label Acquisition Costs, Period Cost
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 28,000,000
  70. Description The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.
    Fact AcquisitionCosts
    Label Acquisition Costs, Period Cost
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 15,000,000
  71. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 2,006,000,000
  72. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 942,000,000
  73. Description Amount of unrecognized tax benefits.
    Fact UnrecognizedTaxBenefits
    Frame CY2012Q2I
    Label Unrecognized Tax Benefits
    Taxonomy us-gaap
    Unit USD
    Val 87,000,000
  74. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 2,451,000,000
  75. Description Amount of assets classified as other.
    Fact OtherAssets
    Frame CY2012Q2I
    Label Other Assets
    Taxonomy us-gaap
    Unit USD
    Val 16,710,000,000
  76. Description The amount of net Income or Loss before extraordinary items per each share of common stock or unit outstanding during the reporting period.
    Fact IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShare
    Label Income (Loss) from Operations before Extraordinary Items, Per Basic Share (Deprecated 2019-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1.86
  77. Description The amount of net Income or Loss before extraordinary items per each share of common stock or unit outstanding during the reporting period.
    Fact IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShare
    Frame CY2012Q2
    Label Income (Loss) from Operations before Extraordinary Items, Per Basic Share (Deprecated 2019-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1
  78. Description This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) (Deprecated 2012-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 12,000,000
  79. Description This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome
    Frame CY2012Q2
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) (Deprecated 2012-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val -3,000,000
  80. 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 CY2012Q2I
    Label Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10
    Taxonomy us-gaap
    Unit USD
    Val 36,655,000,000
  81. Description This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
    Frame CY2012Q2I
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 34,790,000,000
  82. Description For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.
    Fact InterestBearingDepositsInBanks
    Frame CY2012Q2I
    Label Interest-bearing Deposits in Banks and Other Financial Institutions
    Taxonomy us-gaap
    Unit USD
    Val 31,145,000,000
  83. Description Amount after allowance and 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 and loans held for sale.
    Fact LoansAndLeasesReceivableNetReportedAmount
    Frame CY2012Q2I
    Label Loans and Leases Receivable, Net Amount
    Taxonomy us-gaap
    Unit USD
    Val 12,338,000,000
  84. Description Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing.
    Fact BankOverdrafts
    Frame CY2012Q2I
    Label Bank Overdrafts
    Taxonomy us-gaap
    Unit USD
    Val 4,330,000,000
  85. Description Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockNoParValue
    Frame CY2012Q2I
    Label Preferred Stock, No Par Value
    Taxonomy us-gaap
    Unit USD/shares
    Val 0
  86. Description Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.
    Fact ProvisionForLoanLeaseAndOtherLosses
    Label Provision for Loan, Lease, and Other Losses
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -1,000,000
  87. Description Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.
    Fact ProvisionForLoanLeaseAndOtherLosses
    Label Provision for Loan, Lease, and Other Losses
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val -1,000,000
  88. 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 2011-12-30
    Taxonomy us-gaap
    Unit shares
    Val 5,678,000
  89. 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 2012-03-31
    Taxonomy us-gaap
    Unit shares
    Val 5,525,000
  90. Description This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.
    Fact AvailableForSaleSecuritiesGrossRealizedGainLossNet
    Label Available-for-sale Securities, Gross Realized Gain (Loss)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  91. Description As of the balance sheet date, the excess of carrying value (amortized cost) over fair value of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding loss.
    Fact HeldToMaturitySecuritiesUnrecognizedHoldingLoss
    Frame CY2012Q2I
    Label Held-to-maturity Securities, Unrecognized Holding Loss (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 204,000,000
  92. Description Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).
    Fact MarketableSecuritiesGainLoss
    Label Marketable Securities, Gain (Loss)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -16,000,000
  93. Description Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).
    Fact MarketableSecuritiesGainLoss
    Label Marketable Securities, Gain (Loss)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val -27,000,000
  94. 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 CY2012Q2I
    Label Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
    Taxonomy us-gaap
    Unit USD
    Val 6,453,000,000
  95. Description This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedLosses
    Label Available-for-sale Securities, Gross Realized Losses
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 46,000,000
  96. Description This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedLosses
    Label Available-for-sale Securities, Gross Realized Losses
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 46,000,000
  97. 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 CY2012Q2I
    Label Additional Collateral, Aggregate Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 362,000,000
  98. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  99. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  100. Description Net cash inflow (outflow) of time deposits.
    Fact IncreaseDecreaseInTimeDeposits
    Label Increase (Decrease) in Time Deposits
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000,000
  101. Description The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.
    Fact VariableInterestEntityConsolidatedCarryingAmountAssets
    Frame CY2012Q2I
    Label Variable Interest Entity, Consolidated, Carrying Amount, Assets (Deprecated 2020-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 2,220,000,000
  102. Description Amount of fee and commission revenue classified as other.
    Fact FeesAndCommissionsOther
    Label Fees and Commissions, Other (Deprecated 2018-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 142,000,000
  103. Description Amount of fee and commission revenue classified as other.
    Fact FeesAndCommissionsOther
    Label Fees and Commissions, Other (Deprecated 2018-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 48,000,000
  104. Description Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity, net of tax.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax (Deprecated 2012-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -153,000,000
  105. Description Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity, net of tax.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease
    Frame CY2012Q2
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax (Deprecated 2012-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val -299,000,000
  106. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 177,000,000
  107. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 96,000,000
  108. Description Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.
    Fact PaymentsOfDividends
    Label Payments of Dividends
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 219,000,000
  109. Description Face amount or stated value per share of common stock.
    Fact CommonStockParOrStatedValuePerShare
    Frame CY2012Q2I
    Label Common Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 1
  110. Description Amount of short term borrowing where a bank borrows, at the federal funds rate, from another bank.
    Fact FederalFundsPurchased
    Frame CY2012Q2I
    Label Federal Funds Purchased
    Taxonomy us-gaap
    Unit USD
    Val 671,000,000
  111. Description Amount of (expense) reversal of expense related to a previously accrued restructuring cost liability. Excludes adjustments for costs incurred, costs settled, and foreign currency translation adjustments.
    Fact RestructuringReserveAccrualAdjustment
    Label Restructuring Reserve, Accrual Adjustment (Deprecated 2016-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -3,000,000
  112. Description Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.
    Fact AccruedInvestmentIncomeReceivable
    Frame CY2012Q2I
    Label Accrued Investment Income Receivable
    Taxonomy us-gaap
    Unit USD
    Val 1,914,000,000
  113. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Frame CY2012Q2I
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 3,842,000,000
  114. Description The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.
    Fact PaymentsToAcquireBusinessesNetOfCashAcquired
    Label Payments to Acquire Businesses, Net of Cash Acquired
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  115. 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 114,000,000
  116. Description As of the balance sheet date, the excess of fair value over carrying value (amortized cost) of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding gain.
    Fact HeldtomaturitySecuritiesUnrecognizedHoldingGain
    Frame CY2012Q2I
    Label Held-to-maturity Securities, Unrecognized Holding Gain (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 331,000,000
  117. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Frame CY2012Q2I
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 200,777,000,000
  118. Description Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.
    Fact AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
    Frame CY2012Q2I
    Label Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  119. Description Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.
    Fact AccruedLiabilitiesCurrentAndNoncurrent
    Frame CY2012Q2I
    Label Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 16,439,000,000
  120. Description Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.
    Fact OtherShortTermBorrowings
    Frame CY2012Q2I
    Label Other Short-term Borrowings
    Taxonomy us-gaap
    Unit USD
    Val 4,714,000,000
  121. Description The amount of net income or loss for the period before extraordinary items 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 IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShare
    Label Income (Loss) from Operations before Extraordinary Items, Per Diluted Share (Deprecated 2019-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1.83
  122. Description The amount of net income or loss for the period before extraordinary items 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 IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShare
    Frame CY2012Q2
    Label Income (Loss) from Operations before Extraordinary Items, Per Diluted Share (Deprecated 2019-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0.98
  123. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Frame CY2012Q2I
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val 10,846,000,000
  124. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  125. Description This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for less than twelve months for those securities which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses1
    Frame CY2012Q2I
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (Deprecated 2012-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 165,000,000
  126. Description Amount of a stock repurchase plan authorized by an entity's Board of Directors.
    Fact StockRepurchaseProgramAuthorizedAmount
    Label Stock Repurchase Program, Authorized Amount (Deprecated 2014-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1,800,000,000
  127. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on U.S. Treasury securities and other U.S. government securities.
    Fact InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment
    Label Interest Income, Securities, US Treasury and Other US Government
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 405,000,000
  128. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on U.S. Treasury securities and other U.S. government securities.
    Fact InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment
    Label Interest Income, Securities, US Treasury and Other US Government
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 206,000,000
  129. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 105,000,000
  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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 61,000,000
  131. Description Fair value 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 HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
    Frame CY2012Q2I
    Label Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10
    Taxonomy us-gaap
    Unit USD
    Val 4,431,000,000
  132. Description Income from services rendered by trust departments or by any consolidated subsidiaries acting in a fiduciary capacity, including fees earned for (1) acting as an agent for fiduciary placement and loans and (2) custody or investment advisory services when such fees are not separately billed to the customer. This item excludes commissions and fees received for the accumulation or disbursement of funds deposited to Individual Retirement or Keogh plan accounts when such are not handled by the reporting entity's trust department.
    Fact FeesAndCommissionsFiduciaryAndTrustActivities
    Label Fees and Commissions, Fiduciary and Trust Activities (Deprecated 2018-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 2,164,000,000
  133. Description Income from services rendered by trust departments or by any consolidated subsidiaries acting in a fiduciary capacity, including fees earned for (1) acting as an agent for fiduciary placement and loans and (2) custody or investment advisory services when such fees are not separately billed to the customer. This item excludes commissions and fees received for the accumulation or disbursement of funds deposited to Individual Retirement or Keogh plan accounts when such are not handled by the reporting entity's trust department.
    Fact FeesAndCommissionsFiduciaryAndTrustActivities
    Label Fees and Commissions, Fiduciary and Trust Activities (Deprecated 2018-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,086,000,000
  134. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 126,000,000
  135. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 71,000,000
  136. Description Aggregate notional amount of all derivatives. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.
    Fact NotionalAmountOfDerivatives
    Frame CY2012Q2I
    Label Notional Amount of Derivatives (Deprecated 2012-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 3,808,000,000
  137. Description Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  138. Description Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  139. Description Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.
    Fact AvailableForSaleSecurities
    Frame CY2012Q2I
    Label Available-for-sale Securities
    Taxonomy us-gaap
    Unit USD
    Val 106,378,000,000
  140. Description Amount of issuances 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  141. Description Amount of issuances 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  142. Description Aggregate notional amount of all derivatives designated as cash flow hedging instruments. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.
    Fact NotionalAmountOfCashFlowHedgeInstruments
    Frame CY2012Q2I
    Label Notional Amount of Cash Flow Hedge Instruments (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 126,000,000
  143. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Label Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1,238,000,000
  144. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Label Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 652,000,000
  145. Description The valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment
    Frame CY2012Q2I
    Label Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment (Deprecated 2012-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 465,000,000
  146. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 19,000,000
  147. Description Amount of increase (decrease) of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit, from foreign currency translation and purchase accounting adjustments.
    Fact IndefiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments
    Label Indefinite-lived Intangible Assets, Translation and Purchase Accounting Adjustments
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -26,000,000
  148. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Frame CY2012Q2I
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 16,627,000,000
  149. Description The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.
    Fact ProceedsFromRepaymentsOfShortTermDebt
    Label Proceeds from (Repayments of) Short-term Debt
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 284,000,000
  150. Description Amount, after tax, of accumulated 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).
    Fact AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Frame CY2012Q2I
    Label AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax
    Taxonomy us-gaap
    Unit USD
    Val -304,000,000
  151. Description Total amount of interest-bearing domestic deposit liabilities, which may include brokered, retail, demand, checking, notice of withdrawal, money market and other interest-bearing deposits.
    Fact InterestBearingDepositLiabilitiesDomestic
    Frame CY2012Q2I
    Label Interest-bearing Deposit Liabilities, Domestic
    Taxonomy us-gaap
    Unit USD
    Val 11,209,000,000
  152. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 251,000,000
  153. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 75,000,000
  154. Description The tax effect of the amount of the change in the additional minimum pension liability not yet recognized pursuant to FAS 87 as a net periodic pension cost. If the additional pension liability required to be recognized exceeds the unrecognized prior service costs, then the excess (which is the net loss not yet recognized as net periodic pension cost) is to be recorded as a separate component in other comprehensive income, before adjusting for tax effects. In a subsequent measurement, the elimination or adjustment to the amount of the minimum pension liability recorded in accumulated other comprehensive income is included in this line. Eliminated upon adoption of FAS 158.
    Fact OtherComprehensiveIncomeMinimumPensionLiabilityNetAdjustmentTax
    Label Other Comprehensive Income (Loss), Minimum Pension Liability Net Adjustment, Tax (Deprecated 2012-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  155. Description The tax effect of the amount of the change in the additional minimum pension liability not yet recognized pursuant to FAS 87 as a net periodic pension cost. If the additional pension liability required to be recognized exceeds the unrecognized prior service costs, then the excess (which is the net loss not yet recognized as net periodic pension cost) is to be recorded as a separate component in other comprehensive income, before adjusting for tax effects. In a subsequent measurement, the elimination or adjustment to the amount of the minimum pension liability recorded in accumulated other comprehensive income is included in this line. Eliminated upon adoption of FAS 158.
    Fact OtherComprehensiveIncomeMinimumPensionLiabilityNetAdjustmentTax
    Frame CY2012Q2
    Label Other Comprehensive Income (Loss), Minimum Pension Liability Net Adjustment, Tax (Deprecated 2012-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  156. Description Amount of cash outflow for debt, mandatory redeemable security, and principal payment for finance lease obligation.
    Fact RepaymentsOfLongTermDebtAndCapitalSecurities
    Label Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1,762,000,000
  157. 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 CY2012Q2I
    Label Securities Purchased under Agreements to Resell
    Taxonomy us-gaap
    Unit USD
    Val 8,144,000,000
  158. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 4,218,000,000
  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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,188,000,000
  160. Description The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.
    Fact CollateralAlreadyPostedAggregateFairValue
    Frame CY2012Q2I
    Label Collateral Already Posted, Aggregate Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 19,000,000
  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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 21,090,000,000
  162. Description Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.
    Fact RestructuringReserveSettledWithCash
    Label Restructuring Reserve, Settled With Cash (Deprecated 2013-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 128,000,000
  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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  164. Description The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease
    Label Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  165. Description The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease
    Frame CY2012Q2
    Label Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  166. Description The amount of expense in the period for communications and data processing expense.
    Fact CommunicationsAndInformationTechnology
    Label Communications and Information Technology
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 399,000,000
  167. Description The amount of expense in the period for communications and data processing expense.
    Fact CommunicationsAndInformationTechnology
    Label Communications and Information Technology
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 208,000,000
  168. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 186,000,000
  169. 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 CY2012Q2I
    Label Preferred Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 3,500,000
  170. Description Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
    Fact GoodwillAcquiredDuringPeriod
    Label Goodwill, Acquired During Period
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  171. Description Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other.
    Fact OtherIntangibleAssetsNet
    Frame CY2012Q2I
    Label Other Intangible Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 0
  172. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 3,895,000,000
  173. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 3,094,000,000
  174. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,691,000,000
  175. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 90,000,000
  176. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 37,000,000
  177. Description The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.
    Fact InterestExpenseShortTermBorrowings
    Label Interest Expense, Short-term Borrowings
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 37,000,000
  178. Description The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.
    Fact InterestExpenseShortTermBorrowings
    Label Interest Expense, Short-term Borrowings
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 19,000,000
  179. 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 CY2012Q2I
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 5,001
  180. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 254,000,000
  181. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 114,000,000
  182. Description This item represents the excess of amortized cost basis over fair value of securities in a loss position and which are categorized as held-to-maturity.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAggregateLosses
    Frame CY2012Q2I
    Label Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 204,000,000
  183. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 73,000,000
  184. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  185. 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 CY2012Q2I
    Label Loans and Leases Receivable, Allowance
    Taxonomy us-gaap
    Unit USD
    Val 22,000,000
  186. 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 CY2012Q2I
    Label Additional Paid in Capital
    Taxonomy us-gaap
    Unit USD
    Val 9,623,000,000
  187. Description The increase (decrease) during the reporting period in the amount of cash that is received as security when loaning securities.
    Fact IncreaseDecreaseInCashCollateralForLoanedSecurities
    Label Increase (Decrease) in Cash Collateral for Loaned Securities
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -2,998,000,000
  188. Description Interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies.
    Fact InterestIncomeSecuritiesStateAndMunicipal
    Label Interest Income, Securities, State and Municipal
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 108,000,000
  189. Description Interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies.
    Fact InterestIncomeSecuritiesStateAndMunicipal
    Label Interest Income, Securities, State and Municipal
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 54,000,000
  190. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 2,338,000,000
  191. 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 CY2012Q2I
    Label Preferred Stock, Shares Issued
    Taxonomy us-gaap
    Unit shares
    Val 5,001
  192. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesFairValue
    Frame CY2012Q2I
    Label Debt Securities, Held-to-maturity, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 7,934,000,000
  193. Description Number of shares that have been repurchased during the period and are being held in treasury.
    Fact TreasuryStockSharesAcquired
    Label Treasury Stock, Shares, Acquired
    Start 2011-12-30
    Taxonomy us-gaap
    Unit shares
    Val 11,100,000
  194. Description The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.
    Fact Deposits
    Frame CY2012Q2I
    Label Deposits
    Taxonomy us-gaap
    Unit USD
    Val 143,771,000,000
  195. Description This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for twelve months or longer for those securities which are categorized as held-to-maturity.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses
    Frame CY2012Q2I
    Label Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 196,000,000
  196. Description Fair value 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 HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
    Frame CY2012Q2I
    Label Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
    Taxonomy us-gaap
    Unit USD
    Val 1,897,000,000
  197. Description Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableGrossCarryingAmount
    Frame CY2012Q2I
    Label Loans and Leases Receivable, Gross
    Taxonomy us-gaap
    Unit USD
    Val 12,360,000,000
  198. Description Amount, before tax, of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in other comprehensive income (OCI).
    Fact OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities
    Label Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 25,000,000
  199. Description Amount, before tax, of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in other comprehensive income (OCI).
    Fact OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities
    Label Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 8,000,000
  200. 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 2011-12-30
    Taxonomy us-gaap
    Unit shares
    Val 483,165,000
  201. 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 2012-03-31
    Taxonomy us-gaap
    Unit shares
    Val 481,404,000
  202. Description This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.
    Fact MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
    Label Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount (Deprecated 2018-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 46,000,000
  203. Description This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.
    Fact MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
    Label Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount (Deprecated 2018-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 21,000,000
  204. 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 CY2012Q2I
    Label Common Stock, Shares, Issued
    Taxonomy us-gaap
    Unit shares
    Val 503,930,869
  205. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -1,000,000
  206. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val -1,000,000
  207. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 21,653,000,000
  208. Description Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.
    Fact LitigationSettlementExpense
    Label Litigation Settlement, Expense
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 22,000,000
  209. Description Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.
    Fact LitigationSettlementExpense
    Frame CY2012Q2
    Label Litigation Settlement, Expense
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  210. Description Interest income derived from securities purchased under agreements to resell. The difference in the price at which the institution buys the securities and resells the securities represents interest for the use of the funds by the other party. Most repurchase and sale agreements involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances and negotiable certificates of deposits are sometimes used in such transactions.
    Fact InterestIncomeSecuritiesPurchasedUnderAgreementsToResell
    Label Interest Income, Securities Purchased under Agreements to Resell
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 22,000,000
  211. Description Interest income derived from securities purchased under agreements to resell. The difference in the price at which the institution buys the securities and resells the securities represents interest for the use of the funds by the other party. Most repurchase and sale agreements involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances and negotiable certificates of deposits are sometimes used in such transactions.
    Fact InterestIncomeSecuritiesPurchasedUnderAgreementsToResell
    Label Interest Income, Securities Purchased under Agreements to Resell
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000
  212. 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 CY2012Q2I
    Label Derivative Liability, Fair Value, Gross Liability
    Taxonomy us-gaap
    Unit USD
    Val 381,000,000
  213. Description Amount of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecurities
    Frame CY2012Q2I
    Label Debt Securities, Held-to-maturity
    Taxonomy us-gaap
    Unit USD
    Val 7,807,000,000
  214. 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 CY2012Q2I
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 180,880,000,000
  215. Description Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method.
    Fact TreasuryStockValueAcquiredParValueMethod
    Label Treasury Stock, Value, Acquired, Par Value Method
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 480,000,000
  216. 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 CY2012Q2I
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 200,777,000,000
  217. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 77,000,000
  218. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 35,000,000
  219. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.86
  220. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD/shares
    Val 1
  221. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 917,000,000
  222. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 490,000,000
  223. Description For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.
    Fact CashAndDueFromBanks
    Label Cash and Due from Banks
    Taxonomy us-gaap
    Unit USD
    Val 6,088,000,000
  224. Description Amount of expense classified as other.
    Fact OtherExpenses
    Label Other Expenses
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 281,000,000
  225. Description Amount of expense classified as other.
    Fact OtherExpenses
    Label Other Expenses
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 154,000,000
  226. Description Amount of increase (decrease) in operating liabilities classified as other.
    Fact IncreaseDecreaseInOtherOperatingLiabilities
    Label Increase (Decrease) in Other Operating Liabilities
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -1,136,000,000
  227. Description This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for twelve months or longer for those securities which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses1
    Frame CY2012Q2I
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (Deprecated 2012-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 1,264,000,000
  228. 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 166,000,000
  229. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -125,000,000
  230. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val -78,000,000
  231. 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 CY2012Q2I
    Label Treasury Stock, Value
    Taxonomy us-gaap
    Unit USD
    Val 1,039,000,000
  232. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Frame CY2012Q2I
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 18,163,000,000
  233. Description Aggregate notional amount of all derivatives designated as a fair value hedging instrument. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.
    Fact NotionalAmountOfFairValueHedgeInstruments
    Frame CY2012Q2I
    Label Notional Amount of Fair Value Hedge Instruments (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 3,682,000,000
  234. Description Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.
    Fact AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
    Label Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -9,000,000
  235. Description This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings (Deprecated 2012-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 108,000,000
  236. Description This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings
    Frame CY2012Q2
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings (Deprecated 2012-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  237. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Label Payments for Repurchase of Common Stock
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 480,000,000
  238. Description Amount of gain (loss) recognized in other comprehensive income (OCI) from liability measured at fair value on recurring basis using unobservable input (level 3).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  239. Description Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.
    Fact InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions
    Label Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 240,000,000
  240. Description Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.
    Fact InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions
    Label Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 143,000,000
  241. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 0
  242. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Frame CY2012Q2I
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 270,000,000
  243. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 28,698,000,000
  244. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -101,000,000
  245. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 3,607,000,000
  246. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,772,000,000
  247. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.
    Fact DividendsPreferredStockCash
    Label Dividends, Preferred Stock, Cash
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 14,000,000
  248. Description This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.
    Fact AvailableForSaleSecuritiesAmortizedCost
    Frame CY2012Q2I
    Label Available-for-sale Securities, Amortized Cost Basis
    Taxonomy us-gaap
    Unit USD
    Val 106,223,000,000
  249. Description Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax
    Label Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax (Deprecated 2012-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 34,000,000
  250. Description Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax
    Frame CY2012Q2
    Label Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax (Deprecated 2012-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val -15,000,000
  251. 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 2011-12-30
    Taxonomy us-gaap
    Unit shares
    Val 489,145,000
  252. 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 2012-03-31
    Taxonomy us-gaap
    Unit shares
    Val 488,518,000
  253. Description This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents marketable and other securities categorized as trading securities as of the balance sheet date.
    Fact TradingAccountAssetsFairValueDisclosure
    Frame CY2012Q2I
    Label Trading Account Assets, Fair Value Disclosure (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 606,000,000
  254. Description The increase (decrease) during the reporting period in the aggregate amount of trading liabilities from the reporting entity's trading activities. This include liabilities resulting from sales of assets that the reporting entity does not own and revaluation losses.
    Fact IncreaseDecreaseInTradingLiabilities
    Label Increase (Decrease) in Trading Liabilities
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  255. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fact InterestIncomeOperating
    Label Interest Income, Operating
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 1,551,000,000
  256. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fact InterestIncomeOperating
    Label Interest Income, Operating
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 786,000,000
  257. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fact DividendsCommonStockCash
    Label Dividends, Common Stock, Cash
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 233,000,000
  258. 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 CY2012Q2I
    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 26,678,000,000
  259. Description Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
    Fact LongTermDebt
    Frame CY2012Q2I
    Label Long-term Debt
    Taxonomy us-gaap
    Unit USD
    Val 6,392,000,000
  260. 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 19,897,000,000
  261. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
    Frame CY2012Q2I
    Label Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 2,015,000,000
  262. 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 CY2012Q2I
    Label Common Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 504,000,000
  263. Description Fair value 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 HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue
    Frame CY2012Q2I
    Label Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
    Taxonomy us-gaap
    Unit USD
    Val 1,127,000,000
  264. Description Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.
    Fact OperatingCostsAndExpenses
    Label Operating Costs and Expenses
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 3,527,000,000
  265. Description Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.
    Fact OperatingCostsAndExpenses
    Frame CY2012Q2
    Label Operating Costs and Expenses
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,728,000,000
  266. Description Amount of increase (decrease) in receivables classified as other.
    Fact IncreaseDecreaseInOtherReceivables
    Label Increase (Decrease) in Other Receivables
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 92,000,000
  267. Description Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 116,000,000
  268. Description Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 95,000,000
  269. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 20,000,000
  270. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -1,449,000,000
  271. Description Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fact FiniteLivedIntangibleAssetsGross
    Frame CY2012Q2I
    Label Finite-Lived Intangible Assets, Gross
    Taxonomy us-gaap
    Unit USD
    Val 3,268,000,000
  272. Description Fair value 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 HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
    Frame CY2012Q2I
    Label Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
    Taxonomy us-gaap
    Unit USD
    Val 352,000,000
  273. 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 CY2012Q2I
    Label Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val -537,000,000
  274. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 4,844,000,000
  275. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 2,423,000,000
  276. Description Amount of foreign interest-bearing deposits held by the entity.
    Fact InterestBearingDepositLiabilitiesForeign
    Frame CY2012Q2I
    Label Interest-bearing Deposit Liabilities, Foreign
    Taxonomy us-gaap
    Unit USD
    Val 91,368,000,000
  277. Description Amount of settlement 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 799,000,000
  278. Description Amount of settlement 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 487,000,000
  279. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 234,000,000
  280. 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 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 115,000,000
  281. Description Revenue recognized in the period for (1) performance (incentive) fees based on the investment results achieved for management of certain institutional accounts and hedge funds, (2) schedule-based fees earned for management of mutual funds and closed-end funds, based either on average daily net assets or on a combination of the average daily net assets and gross income, and (3) other investment management and advisory fees.
    Fact AssetManagementFees
    Label Asset Management Fees (Deprecated 2013-01-31)
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 482,000,000
  282. Description Revenue recognized in the period for (1) performance (incentive) fees based on the investment results achieved for management of certain institutional accounts and hedge funds, (2) schedule-based fees earned for management of mutual funds and closed-end funds, based either on average daily net assets or on a combination of the average daily net assets and gross income, and (3) other investment management and advisory fees.
    Fact AssetManagementFees
    Label Asset Management Fees (Deprecated 2013-01-31)
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 246,000,000
  283. Description Amount of cash outflow to acquire investments classified as other.
    Fact PaymentsToAcquireOtherInvestments
    Label Payments to Acquire Other Investments
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 53,000,000
  284. Description This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedGains
    Label Available-for-sale Securities, Gross Realized Gains
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 51,000,000
  285. Description This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedGains
    Label Available-for-sale Securities, Gross Realized Gains
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 32,000,000
  286. Description Amount of unrealized gain (loss) on investment in marketable security, excluding other-than-temporary impairment (OTTI).
    Fact MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments
    Frame CY2012Q2
    Label Marketable Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment Loss
    Start 2012-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,630,000,000
  287. Description The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.
    Fact LettersOfCreditOutstandingAmount
    Frame CY2012Q2I
    Label Letters of Credit Outstanding, Amount
    Taxonomy us-gaap
    Unit USD
    Val 669,000,000
  288. Description The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.
    Fact NoninterestBearingDepositLiabilities
    Frame CY2012Q2I
    Label Noninterest-bearing Deposit Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 41,194,000,000
  289. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fact CommonStockSharesAuthorized
    Frame CY2012Q2I
    Label Common Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 750,000,000
  290. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Label Increase (Decrease) in Other Operating Assets
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val -913,000,000
  291. Description This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableforsaleSecuritiesGrossUnrealizedGain
    Frame CY2012Q2I
    Label Available-for-sale Securities, Gross Unrealized Gains (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 1,584,000,000
  292. 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 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 27,741,000,000
  293. 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 CY2012Q2I
    Label Intangible Assets, Net (Excluding Goodwill)
    Taxonomy us-gaap
    Unit USD
    Val 2,334,000,000
  294. Description The valuation allowance for financing receivables acquired with deteriorated credit quality.
    Fact FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality
    Frame CY2012Q2I
    Label Financing Receivable, Allowance for Credit Losses, Acquired with Deteriorated Credit Quality (Deprecated 2015-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  295. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Label Proceeds from Stock Options Exercised
    Start 2011-12-30
    Taxonomy us-gaap
    Unit USD
    Val 16,000,000
  296. Description Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fact FiniteLivedIntangibleAssetsAccumulatedAmortization
    Frame CY2012Q2I
    Label Finite-Lived Intangible Assets, Accumulated Amortization
    Taxonomy us-gaap
    Unit USD
    Val 934,000,000
  297. Description Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).
    Fact AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
    Frame CY2012Q2I
    Label Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
    Taxonomy us-gaap
    Unit USD
    Val -246,000,000
  298. Description Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.
    Fact DerivativeNotionalAmount
    Frame CY2012Q2I
    Label Derivative, Notional Amount
    Taxonomy invest
    Unit USD
    Val 37,230,000,000

Facts up to 2012-04-30

Description Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.
Fact StockRepurchasedDuringPeriodValue
Frame CY2012Q1I
Label Stock Repurchased During Period, Value
Taxonomy us-gaap
Unit USD
Val 480,000,000

Facts up to 2012-03-31

  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 6,820,000,000
  2. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 22,000,000
  3. 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 155,000,000

Facts up to 2011-12-31

  1. Description Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.
    Fact AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
    Label Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val 0
  2. 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 8,691,000,000
  3. 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 CY2011Q4I
    Label Preferred Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 500,000,000
  4. 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 8,572,000,000
  5. 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 5,645,000,000
  6. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 1,850,000,000
  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 16,541,985
  8. Description This item represents the excess of amortized cost basis over fair value of securities in a loss position and which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses1
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (Deprecated 2012-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 1,652,000,000
  9. Description Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.
    Fact RestructuringReserve
    Label Restructuring Reserve
    Taxonomy us-gaap
    Unit USD
    Val 287,000,000
  10. 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 44,660,000,000
  11. 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 9,537,000,000
  12. Description This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for less than twelve months for those securities which are categorized as held-to-maturity.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses
    Label Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 39,000,000
  13. 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 22,000,000
  14. Description Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentNet
    Label Property, Plant and Equipment, Net
    Taxonomy us-gaap
    Unit USD
    Val 1,747,000,000
  15. Description This item represents the gross unrealized losses for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossUnrealizedLosses1
    Label Available-for-sale Securities, Gross Unrealized Losses (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 1,652,000,000
  16. Description Amount of unrecognized tax benefits.
    Fact UnrecognizedTaxBenefits
    Label Unrecognized Tax Benefits
    Taxonomy us-gaap
    Unit USD
    Val 125,000,000
  17. Description Amount of assets classified as other.
    Fact OtherAssets
    Label Other Assets
    Taxonomy us-gaap
    Unit USD
    Val 17,139,000,000
  18. Description This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 42,889,000,000
  19. Description For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.
    Fact InterestBearingDepositsInBanks
    Label Interest-bearing Deposits in Banks and Other Financial Institutions
    Taxonomy us-gaap
    Unit USD
    Val 58,886,000,000
  20. Description Amount after allowance and 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 and loans held for sale.
    Fact LoansAndLeasesReceivableNetReportedAmount
    Label Loans and Leases Receivable, Net Amount
    Taxonomy us-gaap
    Unit USD
    Val 10,031,000,000
  21. Description Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing.
    Fact BankOverdrafts
    Label Bank Overdrafts
    Taxonomy us-gaap
    Unit USD
    Val 2,170,000,000
  22. Description Face amount per share of no-par value preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockNoParValue
    Label Preferred Stock, No Par Value
    Taxonomy us-gaap
    Unit USD/shares
    Val 0
  23. Description As of the balance sheet date, the excess of carrying value (amortized cost) over fair value of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding loss.
    Fact HeldToMaturitySecuritiesUnrecognizedHoldingLoss
    Label Held-to-maturity Securities, Unrecognized Holding Loss (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 303,000,000
  24. Description The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.
    Fact VariableInterestEntityConsolidatedCarryingAmountAssets
    Label Variable Interest Entity, Consolidated, Carrying Amount, Assets (Deprecated 2020-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 2,290,000,000
  25. 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 1
  26. Description Amount of short term borrowing where a bank borrows, at the federal funds rate, from another bank.
    Fact FederalFundsPurchased
    Label Federal Funds Purchased
    Taxonomy us-gaap
    Unit USD
    Val 656,000,000
  27. Description Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.
    Fact AccruedInvestmentIncomeReceivable
    Label Accrued Investment Income Receivable
    Taxonomy us-gaap
    Unit USD
    Val 1,822,000,000
  28. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 3,673,000,000
  29. 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 113,000,000
  30. Description As of the balance sheet date, the excess of fair value over carrying value (amortized cost) of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding gain.
    Fact HeldtomaturitySecuritiesUnrecognizedHoldingGain
    Label Held-to-maturity Securities, Unrecognized Holding Gain (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 344,000,000
  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 216,827,000,000
  32. Description Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.
    Fact AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax
    Label Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val 5,000,000
  33. Description Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.
    Fact AccruedLiabilitiesCurrentAndNoncurrent
    Label Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 18,017,000,000
  34. Description Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.
    Fact OtherShortTermBorrowings
    Label Other Short-term Borrowings
    Taxonomy us-gaap
    Unit USD
    Val 4,766,000,000
  35. 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 10,176,000,000
  36. Description This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for less than twelve months for those securities which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses1
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (Deprecated 2012-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 206,000,000
  37. Description Aggregate notional amount of all derivatives. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.
    Fact NotionalAmountOfDerivatives
    Label Notional Amount of Derivatives (Deprecated 2012-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 3,872,000,000
  38. Description Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.
    Fact AvailableForSaleSecurities
    Label Available-for-sale Securities
    Taxonomy us-gaap
    Unit USD
    Val 99,832,000,000
  39. Description Aggregate notional amount of all derivatives designated as cash flow hedging instruments. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.
    Fact NotionalAmountOfCashFlowHedgeInstruments
    Label Notional Amount of Cash Flow Hedge Instruments (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 124,000,000
  40. Description The valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment
    Label Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment (Deprecated 2012-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 477,000,000
  41. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 25,040,000,000
  42. Description Amount, after tax, of accumulated 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).
    Fact AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
    Label AOCI, Debt Securities, Available-for-sale, Adjustment, after Tax
    Taxonomy us-gaap
    Unit USD
    Val -110,000,000
  43. Description Total amount of interest-bearing domestic deposit liabilities, which may include brokered, retail, demand, checking, notice of withdrawal, money market and other interest-bearing deposits.
    Fact InterestBearingDepositLiabilitiesDomestic
    Label Interest-bearing Deposit Liabilities, Domestic
    Taxonomy us-gaap
    Unit USD
    Val 7,148,000,000
  44. 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 7,045,000,000
  45. 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 3,500,000
  46. 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 CY2011Q4I
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 5,001
  47. Description This item represents the excess of amortized cost basis over fair value of securities in a loss position and which are categorized as held-to-maturity.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAggregateLosses
    Label Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 303,000,000
  48. 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 22,000,000
  49. 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 9,557,000,000
  50. 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 CY2011Q4I
    Label Preferred Stock, Shares Issued
    Taxonomy us-gaap
    Unit shares
    Val 5,001
  51. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesFairValue
    Label Debt Securities, Held-to-maturity, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 9,362,000,000
  52. Description The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.
    Fact Deposits
    Label Deposits
    Taxonomy us-gaap
    Unit USD
    Val 157,287,000,000
  53. Description This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for twelve months or longer for those securities which are categorized as held-to-maturity.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses
    Label Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 264,000,000
  54. Description Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableGrossCarryingAmount
    Label Loans and Leases Receivable, Gross
    Taxonomy us-gaap
    Unit USD
    Val 10,053,000,000
  55. 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 503,965,849
  56. Description Amount of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecurities
    Label Debt Securities, Held-to-maturity
    Taxonomy us-gaap
    Unit USD
    Val 9,321,000,000
  57. 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 197,429,000,000
  58. 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 216,827,000,000
  59. Description For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.
    Fact CashAndDueFromBanks
    Label Cash and Due from Banks
    Taxonomy us-gaap
    Unit USD
    Val 2,193,000,000
  60. Description This item represents the excess of amortized cost basis over fair value of securities that have been in a loss position for twelve months or longer for those securities which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses1
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (Deprecated 2012-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 1,446,000,000
  61. 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 201,000,000
  62. 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 680,000,000
  63. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 17,849,000,000
  64. Description Aggregate notional amount of all derivatives designated as a fair value hedging instrument. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument.
    Fact NotionalAmountOfFairValueHedgeInstruments
    Label Notional Amount of Fair Value Hedge Instruments (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 3,748,000,000
  65. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 999,000,000
  66. Description This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.
    Fact AvailableForSaleSecuritiesAmortizedCost
    Label Available-for-sale Securities, Amortized Cost Basis
    Taxonomy us-gaap
    Unit USD
    Val 100,013,000,000
  67. Description This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents marketable and other securities categorized as trading securities as of the balance sheet date.
    Fact TradingAccountAssetsFairValueDisclosure
    Label Trading Account Assets, Fair Value Disclosure (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 707,000,000
  68. Description Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
    Fact LongTermDebt
    Label Long-term Debt
    Taxonomy us-gaap
    Unit USD
    Val 8,131,000,000
  69. 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 19,398,000,000
  70. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
    Label Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 2,849,000,000
  71. 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 504,000,000
  72. Description Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fact FiniteLivedIntangibleAssetsGross
    Label Finite-Lived Intangible Assets, Gross
    Taxonomy us-gaap
    Unit USD
    Val 3,304,000,000
  73. 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 -659,000,000
  74. Description Amount of foreign interest-bearing deposits held by the entity.
    Fact InterestBearingDepositLiabilitiesForeign
    Label Interest-bearing Deposit Liabilities, Foreign
    Taxonomy us-gaap
    Unit USD
    Val 90,910,000,000
  75. 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 2010-12-31
    Taxonomy us-gaap
    Unit USD
    Val 17,000,000
  76. Description The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.
    Fact NoninterestBearingDepositLiabilities
    Label Noninterest-bearing Deposit Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 59,229,000,000
  77. 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 750,000,000
  78. 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 2010-12-31
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  79. Description This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableforsaleSecuritiesGrossUnrealizedGain
    Label Available-for-sale Securities, Gross Unrealized Gains (Deprecated 2013-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 1,471,000,000
  80. 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 2,459,000,000
  81. Description The valuation allowance for financing receivables acquired with deteriorated credit quality.
    Fact FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQuality
    Label Financing Receivable, Allowance for Credit Losses, Acquired with Deteriorated Credit Quality (Deprecated 2015-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 39,000,000
  82. Description Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fact FiniteLivedIntangibleAssetsAccumulatedAmortization
    Label Finite-Lived Intangible Assets, Accumulated Amortization
    Taxonomy us-gaap
    Unit USD
    Val 845,000,000
  83. Description Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).
    Fact AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
    Label Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax
    Taxonomy us-gaap
    Unit USD
    Val -248,000,000
  84. Description Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.
    Fact DerivativeNotionalAmount
    Label Derivative, Notional Amount
    Taxonomy invest
    Unit USD
    Val 40,960,000,000

Facts up to 2011-09-30

Description This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.
Fact LitigationSettlementGross
Frame CY2011Q3
Label Litigation Settlement, Gross (Deprecated 2013-01-31)
Start 2011-07-01
Taxonomy us-gaap
Unit USD
Val 400,000,000

Facts up to 2011-06-30

  1. Description Amount of fees and commissions from financial services and banking activities and correspondent clearing. Includes fees from depositor accounts, credit cards, merchant discounts, and fiduciary and trust activities, guarantee fees, investment advisory, management, and administrative fees, transfer agent fees, and insurance commissions.
    Fact FeesAndCommissions
    Label Fees and Commissions (Deprecated 2018-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 3,683,000,000
  2. Description Amount of fees and commissions from financial services and banking activities and correspondent clearing. Includes fees from depositor accounts, credit cards, merchant discounts, and fiduciary and trust activities, guarantee fees, investment advisory, management, and administrative fees, transfer agent fees, and insurance commissions.
    Fact FeesAndCommissions
    Frame CY2011Q2
    Label Fees and Commissions (Deprecated 2018-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,892,000,000
  3. Description Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.
    Fact RestructuringCharges
    Label Restructuring Charges
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 9,000,000
  4. Description Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.
    Fact RestructuringCharges
    Frame CY2011Q2
    Label Restructuring Charges
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  5. Description Amount of cash (inflow) outflow from investing activities classified as other.
    Fact PaymentsForProceedsFromOtherInvestingActivities
    Label Payments for (Proceeds from) Other Investing Activities
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -194,000,000
  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 2010-12-29
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.93
  7. 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 CY2011Q2
    Label Earnings Per Share, Diluted
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD/shares
    Val 1
  8. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 391,000,000
  9. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Frame CY2011Q2
    Label Income Tax Expense (Benefit)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 202,000,000
  10. Description This item represents reductions in the amount of cumulative losses recognized in earnings for other than temporary impairments (OTTI) for which a portion of the impairment had been recognized in other comprehensive income (a component of shareholders' equity) due to a change in status of the impaired security because of a change in the entity's intent to either sell the impaired security or it has become more likely than not that the entity will be required to sell the security before recovery of its cost basis.
    Fact OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsChangeInStatus
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Change in Status
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  11. 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 7,401,000,000
  12. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,149,000,000
  13. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Frame CY2011Q2
    Label Interest Income (Expense), Net
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 572,000,000
  14. 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 CY2011Q2I
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 5,748,000,000
  15. Description The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees.
    Fact FloorBrokerageExchangeAndClearanceFees
    Label Floor Brokerage, Exchange and Clearance Fees
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 373,000,000
  16. Description The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees.
    Fact FloorBrokerageExchangeAndClearanceFees
    Frame CY2011Q2
    Label Floor Brokerage, Exchange and Clearance Fees
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 193,000,000
  17. Description Reduction to the allowance for credit losses related to collections on financing receivables which have been partially or fully charged off as bad debts.
    Fact FinancingReceivableAllowanceForCreditLossesRecoveries
    Label Financing Receivable, Allowance for Credit Losses, Recoveries (Deprecated 2012-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 0
  18. Description Reduction to the allowance for credit losses related to collections on financing receivables which have been partially or fully charged off as bad debts.
    Fact FinancingReceivableAllowanceForCreditLossesRecoveries
    Frame CY2011Q2
    Label Financing Receivable, Allowance for Credit Losses, Recoveries (Deprecated 2012-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  19. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 452,000,000
  20. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 120,000,000
  21. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 22,724,000,000
  22. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,940,000,000
  23. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Label Deferred Income Tax Expense (Benefit)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -15,000,000
  24. Description This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
    Label Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 849,000,000
  25. Description This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
    Frame CY2011Q2
    Label Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 398,000,000
  26. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 849,000,000
  27. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  28. 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
    Frame CY2011Q2
    Label Dividends, Preferred Stock
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  29. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 968,000,000
  30. 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 CY2011Q2
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 502,000,000
  31. Description Amount of increase (decrease) in deposit liabilities classified as other.
    Fact IncreaseDecreaseInOtherDeposits
    Label Increase (Decrease) in Other Deposits
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 33,325,000,000
  32. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 192,000,000
  33. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 99,000,000
  34. 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 CY2011Q2
    Label Amortization of Intangible Assets
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 50,000,000
  35. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,833,000,000
  36. 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 CY2011Q2
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 911,000,000
  37. Description Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.
    Fact OtherNoncashIncomeExpense
    Label Other Noncash Income (Expense)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 282,000,000
  38. 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 54,000,000
  39. Description Aggregate amount of interest paid or due on all long-term debt.
    Fact InterestExpenseLongTermDebt
    Label Interest Expense, Long-term Debt
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 147,000,000
  40. Description Aggregate amount of interest paid or due on all long-term debt.
    Fact InterestExpenseLongTermDebt
    Frame CY2011Q2
    Label Interest Expense, Long-term Debt
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 76,000,000
  41. Description The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.
    Fact AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
    Label Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds (Deprecated 2018-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 66,000,000
  42. Description The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.
    Fact AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds
    Frame CY2011Q2
    Label Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds (Deprecated 2018-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 62,000,000
  43. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareDeclared
    Label Common Stock, Dividends, Per Share, Declared
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.36
  44. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareDeclared
    Frame CY2011Q2
    Label Common Stock, Dividends, Per Share, Declared
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.18
  45. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 47,000,000
  46. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Frame CY2011Q2
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 28,000,000
  47. Description The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.
    Fact ImpairmentOfInvestments
    Label Other than Temporary Impairment Losses, Investments
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 46,000,000
  48. Description The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.
    Fact ImpairmentOfInvestments
    Frame CY2011Q2
    Label Other than Temporary Impairment Losses, Investments
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 35,000,000
  49. Description This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.
    Fact StockholdersEquityOther
    Label Stockholders' Equity, Other
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 10,000,000
  50. Description The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.
    Fact AcquisitionCosts
    Label Acquisition Costs, Period Cost
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 27,000,000
  51. Description The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.
    Fact AcquisitionCosts
    Frame CY2011Q2
    Label Acquisition Costs, Period Cost
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 13,000,000
  52. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,983,000,000
  53. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Frame CY2011Q2
    Label Labor and Related Expense
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,009,000,000
  54. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 7,552,000,000
  55. Description The amount of net Income or Loss before extraordinary items per each share of common stock or unit outstanding during the reporting period.
    Fact IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShare
    Label Income (Loss) from Operations before Extraordinary Items, Per Basic Share (Deprecated 2019-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1.95
  56. Description The amount of net Income or Loss before extraordinary items per each share of common stock or unit outstanding during the reporting period.
    Fact IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShare
    Frame CY2011Q2
    Label Income (Loss) from Operations before Extraordinary Items, Per Basic Share (Deprecated 2019-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1.01
  57. Description This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) (Deprecated 2012-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 59,000,000
  58. Description This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity).
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncome
    Frame CY2011Q2
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) (Deprecated 2012-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 4,000,000
  59. Description Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.
    Fact ProvisionForLoanLeaseAndOtherLosses
    Label Provision for Loan, Lease, and Other Losses
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  60. Description Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.
    Fact ProvisionForLoanLeaseAndOtherLosses
    Frame CY2011Q2
    Label Provision for Loan, Lease, and Other Losses
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  61. 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 2010-12-29
    Taxonomy us-gaap
    Unit shares
    Val 1,155,000
  62. 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 CY2011Q2
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2011-03-31
    Taxonomy us-gaap
    Unit shares
    Val 1,434,000
  63. Description Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).
    Fact MarketableSecuritiesGainLoss
    Label Marketable Securities, Gain (Loss)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 20,000,000
  64. Description Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).
    Fact MarketableSecuritiesGainLoss
    Frame CY2011Q2
    Label Marketable Securities, Gain (Loss)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 27,000,000
  65. Description This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedLosses
    Label Available-for-sale Securities, Gross Realized Losses
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 0
  66. Description This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedLosses
    Frame CY2011Q2
    Label Available-for-sale Securities, Gross Realized Losses
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  67. Description Net cash inflow (outflow) of time deposits.
    Fact IncreaseDecreaseInTimeDeposits
    Label Increase (Decrease) in Time Deposits
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -6,261,000,000
  68. Description Amount of fee and commission revenue classified as other.
    Fact FeesAndCommissionsOther
    Label Fees and Commissions, Other (Deprecated 2018-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 162,000,000
  69. Description Amount of fee and commission revenue classified as other.
    Fact FeesAndCommissionsOther
    Frame CY2011Q2
    Label Fees and Commissions, Other (Deprecated 2018-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 70,000,000
  70. Description Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity, net of tax.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax (Deprecated 2012-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 472,000,000
  71. Description Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity, net of tax.
    Fact OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease
    Frame CY2011Q2
    Label Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax (Deprecated 2012-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 112,000,000
  72. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 166,000,000
  73. 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 CY2011Q2
    Label Professional Fees
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 84,000,000
  74. Description Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.
    Fact PaymentsOfDividends
    Label Payments of Dividends
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 103,000,000
  75. Description The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.
    Fact PaymentsToAcquireBusinessesNetOfCashAcquired
    Label Payments to Acquire Businesses, Net of Cash Acquired
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 77,000,000
  76. 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 CY2011Q2I
    Label Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held
    Taxonomy us-gaap
    Unit USD
    Val 98,000,000
  77. Description The amount of net income or loss for the period before extraordinary items 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 IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShare
    Label Income (Loss) from Operations before Extraordinary Items, Per Diluted Share (Deprecated 2019-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1.93
  78. Description The amount of net income or loss for the period before extraordinary items 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 IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShare
    Frame CY2011Q2
    Label Income (Loss) from Operations before Extraordinary Items, Per Diluted Share (Deprecated 2019-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1
  79. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  80. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on U.S. Treasury securities and other U.S. government securities.
    Fact InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment
    Label Interest Income, Securities, US Treasury and Other US Government
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 404,000,000
  81. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on U.S. Treasury securities and other U.S. government securities.
    Fact InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment
    Frame CY2011Q2
    Label Interest Income, Securities, US Treasury and Other US Government
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 198,000,000
  82. Description Income from services rendered by trust departments or by any consolidated subsidiaries acting in a fiduciary capacity, including fees earned for (1) acting as an agent for fiduciary placement and loans and (2) custody or investment advisory services when such fees are not separately billed to the customer. This item excludes commissions and fees received for the accumulation or disbursement of funds deposited to Individual Retirement or Keogh plan accounts when such are not handled by the reporting entity's trust department.
    Fact FeesAndCommissionsFiduciaryAndTrustActivities
    Label Fees and Commissions, Fiduciary and Trust Activities (Deprecated 2018-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 2,219,000,000
  83. Description Income from services rendered by trust departments or by any consolidated subsidiaries acting in a fiduciary capacity, including fees earned for (1) acting as an agent for fiduciary placement and loans and (2) custody or investment advisory services when such fees are not separately billed to the customer. This item excludes commissions and fees received for the accumulation or disbursement of funds deposited to Individual Retirement or Keogh plan accounts when such are not handled by the reporting entity's trust department.
    Fact FeesAndCommissionsFiduciaryAndTrustActivities
    Frame CY2011Q2
    Label Fees and Commissions, Fiduciary and Trust Activities (Deprecated 2018-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,124,000,000
  84. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 147,000,000
  85. 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 CY2011Q2
    Label Interest and Fee Income, Loans and Leases
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 67,000,000
  86. Description Amount of issuances 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 0
  87. Description Amount of issuances 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
    Frame CY2011Q2
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  88. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Label Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,375,000,000
  89. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Frame CY2011Q2
    Label Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 715,000,000
  90. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 31,000,000
  91. Description Amount of increase (decrease) of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit, from foreign currency translation and purchase accounting adjustments.
    Fact IndefiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments
    Label Indefinite-lived Intangible Assets, Translation and Purchase Accounting Adjustments
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 93,000,000
  92. Description The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.
    Fact ProceedsFromRepaymentsOfShortTermDebt
    Label Proceeds from (Repayments of) Short-term Debt
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -5,459,000,000
  93. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 358,000,000
  94. 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 CY2011Q2
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 291,000,000
  95. Description The tax effect of the amount of the change in the additional minimum pension liability not yet recognized pursuant to FAS 87 as a net periodic pension cost. If the additional pension liability required to be recognized exceeds the unrecognized prior service costs, then the excess (which is the net loss not yet recognized as net periodic pension cost) is to be recorded as a separate component in other comprehensive income, before adjusting for tax effects. In a subsequent measurement, the elimination or adjustment to the amount of the minimum pension liability recorded in accumulated other comprehensive income is included in this line. Eliminated upon adoption of FAS 158.
    Fact OtherComprehensiveIncomeMinimumPensionLiabilityNetAdjustmentTax
    Label Other Comprehensive Income (Loss), Minimum Pension Liability Net Adjustment, Tax (Deprecated 2012-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 23,000,000
  96. Description The tax effect of the amount of the change in the additional minimum pension liability not yet recognized pursuant to FAS 87 as a net periodic pension cost. If the additional pension liability required to be recognized exceeds the unrecognized prior service costs, then the excess (which is the net loss not yet recognized as net periodic pension cost) is to be recorded as a separate component in other comprehensive income, before adjusting for tax effects. In a subsequent measurement, the elimination or adjustment to the amount of the minimum pension liability recorded in accumulated other comprehensive income is included in this line. Eliminated upon adoption of FAS 158.
    Fact OtherComprehensiveIncomeMinimumPensionLiabilityNetAdjustmentTax
    Frame CY2011Q2
    Label Other Comprehensive Income (Loss), Minimum Pension Liability Net Adjustment, Tax (Deprecated 2012-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 19,000,000
  97. Description Amount of cash outflow for debt, mandatory redeemable security, and principal payment for finance lease obligation.
    Fact RepaymentsOfLongTermDebtAndCapitalSecurities
    Label Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,018,000,000
  98. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 2,047,000,000
  99. Description Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
    Frame CY2011Q2
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,220,000,000
  100. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -19,402,000,000
  101. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,986,000,000
  102. Description The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease
    Label Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -5,000,000
  103. Description The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease
    Frame CY2011Q2
    Label Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax (Deprecated 2012-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val -12,000,000
  104. Description The amount of expense in the period for communications and data processing expense.
    Fact CommunicationsAndInformationTechnology
    Label Communications and Information Technology
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 390,000,000
  105. Description The amount of expense in the period for communications and data processing expense.
    Fact CommunicationsAndInformationTechnology
    Frame CY2011Q2
    Label Communications and Information Technology
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 199,000,000
  106. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 137,000,000
  107. Description Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
    Fact GoodwillAcquiredDuringPeriod
    Label Goodwill, Acquired During Period
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 31,000,000
  108. Description Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other.
    Fact OtherIntangibleAssetsNet
    Frame CY2011Q2I
    Label Other Intangible Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  109. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,261,000,000
  110. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 3,995,000,000
  111. 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
    Frame CY2011Q2
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,876,000,000
  112. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 102,000,000
  113. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Frame CY2011Q2
    Label Interest Expense, Deposits
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 44,000,000
  114. Description The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.
    Fact InterestExpenseShortTermBorrowings
    Label Interest Expense, Short-term Borrowings
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 51,000,000
  115. Description The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.
    Fact InterestExpenseShortTermBorrowings
    Frame CY2011Q2
    Label Interest Expense, Short-term Borrowings
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 24,000,000
  116. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 304,000,000
  117. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2011Q2
    Label Interest Expense
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 147,000,000
  118. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  119. 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 CY2011Q2
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  120. Description The increase (decrease) during the reporting period in the amount of cash that is received as security when loaning securities.
    Fact IncreaseDecreaseInCashCollateralForLoanedSecurities
    Label Increase (Decrease) in Cash Collateral for Loaned Securities
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -683,000,000
  121. Description Interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies.
    Fact InterestIncomeSecuritiesStateAndMunicipal
    Label Interest Income, Securities, State and Municipal
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 111,000,000
  122. Description Interest income, including any amortization and accretion (as applicable) of discounts and premiums, derived from debt securities issued by municipal governments, local taxing districts and US state government agencies.
    Fact InterestIncomeSecuritiesStateAndMunicipal
    Frame CY2011Q2
    Label Interest Income, Securities, State and Municipal
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 55,000,000
  123. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,154,000,000
  124. Description Amount, before tax, of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in other comprehensive income (OCI).
    Fact OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities
    Label Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 33,000,000
  125. Description Amount, before tax, of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in other comprehensive income (OCI).
    Fact OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities
    Frame CY2011Q2
    Label Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 9,000,000
  126. 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 2010-12-29
    Taxonomy us-gaap
    Unit shares
    Val 497,137,000
  127. 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 CY2011Q2
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2011-03-31
    Taxonomy us-gaap
    Unit shares
    Val 496,806,000
  128. Description This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.
    Fact MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
    Label Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount (Deprecated 2018-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 79,000,000
  129. Description This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.
    Fact MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount
    Frame CY2011Q2
    Label Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount (Deprecated 2018-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 44,000,000
  130. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  131. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Frame CY2011Q2
    Label Provision for Loan and Lease Losses
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 2,000,000
  132. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 21,380,000,000
  133. Description Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.
    Fact LitigationSettlementExpense
    Label Litigation Settlement, Expense
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 0
  134. Description Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.
    Fact LitigationSettlementExpense
    Frame CY2011Q2
    Label Litigation Settlement, Expense
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 0
  135. Description Interest income derived from securities purchased under agreements to resell. The difference in the price at which the institution buys the securities and resells the securities represents interest for the use of the funds by the other party. Most repurchase and sale agreements involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances and negotiable certificates of deposits are sometimes used in such transactions.
    Fact InterestIncomeSecuritiesPurchasedUnderAgreementsToResell
    Label Interest Income, Securities Purchased under Agreements to Resell
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 16,000,000
  136. Description Interest income derived from securities purchased under agreements to resell. The difference in the price at which the institution buys the securities and resells the securities represents interest for the use of the funds by the other party. Most repurchase and sale agreements involve obligations of the federal government or its agencies, but other financial instruments, such as commercial paper, banker's acceptances and negotiable certificates of deposits are sometimes used in such transactions.
    Fact InterestIncomeSecuritiesPurchasedUnderAgreementsToResell
    Frame CY2011Q2
    Label Interest Income, Securities Purchased under Agreements to Resell
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 6,000,000
  137. Description Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method.
    Fact TreasuryStockValueAcquiredParValueMethod
    Label Treasury Stock, Value, Acquired, Par Value Method
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 225,000,000
  138. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 55,000,000
  139. 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 CY2011Q2
    Label Interest Income, Deposits with Financial Institutions
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 28,000,000
  140. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.95
  141. 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 CY2011Q2
    Label Earnings Per Share, Basic
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.01
  142. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 984,000,000
  143. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Frame CY2011Q2
    Label Net Income (Loss) Attributable to Parent
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 513,000,000
  144. Description For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.
    Fact CashAndDueFromBanks
    Frame CY2011Q2I
    Label Cash and Due from Banks
    Taxonomy us-gaap
    Unit USD
    Val 4,572,000,000
  145. Description Amount of expense classified as other.
    Fact OtherExpenses
    Label Other Expenses
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 209,000,000
  146. Description Amount of expense classified as other.
    Fact OtherExpenses
    Frame CY2011Q2
    Label Other Expenses
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 109,000,000
  147. Description Amount of increase (decrease) in operating liabilities classified as other.
    Fact IncreaseDecreaseInOtherOperatingLiabilities
    Label Increase (Decrease) in Other Operating Liabilities
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 3,395,000,000
  148. Description Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.
    Fact AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
    Label Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -11,000,000
  149. Description This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings (Deprecated 2012-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 247,000,000
  150. Description This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings
    Frame CY2011Q2
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings (Deprecated 2012-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 172,000,000
  151. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Label Payments for Repurchase of Common Stock
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 225,000,000
  152. Description Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.
    Fact InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions
    Label Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 203,000,000
  153. Description Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.
    Fact InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions
    Frame CY2011Q2
    Label Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 137,000,000
  154. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 500,000,000
  155. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 40,870,000,000
  156. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,477,000,000
  157. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 3,476,000,000
  158. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Frame CY2011Q2
    Label Noninterest Expense
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,774,000,000
  159. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.
    Fact DividendsPreferredStockCash
    Label Dividends, Preferred Stock, Cash
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 7,000,000
  160. Description Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax
    Label Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax (Deprecated 2012-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -38,000,000
  161. Description Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.
    Fact OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTax
    Frame CY2011Q2
    Label Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax (Deprecated 2012-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val -15,000,000
  162. 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 2010-12-29
    Taxonomy us-gaap
    Unit shares
    Val 500,753,000
  163. 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 CY2011Q2
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2011-03-31
    Taxonomy us-gaap
    Unit shares
    Val 501,044,000
  164. Description The increase (decrease) during the reporting period in the aggregate amount of trading liabilities from the reporting entity's trading activities. This include liabilities resulting from sales of assets that the reporting entity does not own and revaluation losses.
    Fact IncreaseDecreaseInTradingLiabilities
    Label Increase (Decrease) in Trading Liabilities
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 748,000,000
  165. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fact InterestIncomeOperating
    Label Interest Income, Operating
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,453,000,000
  166. Description Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.
    Fact InterestIncomeOperating
    Frame CY2011Q2
    Label Interest Income, Operating
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 719,000,000
  167. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fact DividendsCommonStockCash
    Label Dividends, Common Stock, Cash
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 181,000,000
  168. 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 CY2011Q2I
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val 19,834,000,000
  169. Description Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.
    Fact OperatingCostsAndExpenses
    Label Operating Costs and Expenses
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 3,440,000,000
  170. Description Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.
    Fact OperatingCostsAndExpenses
    Frame CY2011Q2
    Label Operating Costs and Expenses
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 1,757,000,000
  171. Description Amount of increase (decrease) in receivables classified as other.
    Fact IncreaseDecreaseInOtherReceivables
    Label Increase (Decrease) in Other Receivables
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 138,000,000
  172. Description Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 114,000,000
  173. Description Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.
    Fact FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
    Frame CY2011Q2
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 114,000,000
  174. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  175. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -2,061,000,000
  176. Description Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.
    Fact StockIssuedDuringPeriodValueNewIssues
    Label Stock Issued During Period, Value, New Issues
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 500,000,000
  177. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 4,852,000,000
  178. 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 CY2011Q2
    Label Revenues
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 2,491,000,000
  179. Description Amount of settlement 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 725,000,000
  180. Description Amount of settlement 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 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
    Frame CY2011Q2
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 402,000,000
  181. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 220,000,000
  182. 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 CY2011Q2
    Label Occupancy, Net
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 113,000,000
  183. Description Revenue recognized in the period for (1) performance (incentive) fees based on the investment results achieved for management of certain institutional accounts and hedge funds, (2) schedule-based fees earned for management of mutual funds and closed-end funds, based either on average daily net assets or on a combination of the average daily net assets and gross income, and (3) other investment management and advisory fees.
    Fact AssetManagementFees
    Label Asset Management Fees (Deprecated 2013-01-31)
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 486,000,000
  184. Description Revenue recognized in the period for (1) performance (incentive) fees based on the investment results achieved for management of certain institutional accounts and hedge funds, (2) schedule-based fees earned for management of mutual funds and closed-end funds, based either on average daily net assets or on a combination of the average daily net assets and gross income, and (3) other investment management and advisory fees.
    Fact AssetManagementFees
    Frame CY2011Q2
    Label Asset Management Fees (Deprecated 2013-01-31)
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 250,000,000
  185. Description Amount of cash outflow to acquire investments classified as other.
    Fact PaymentsToAcquireOtherInvestments
    Label Payments to Acquire Other Investments
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 63,000,000
  186. Description This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedGains
    Label Available-for-sale Securities, Gross Realized Gains
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 66,000,000
  187. Description This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedGains
    Frame CY2011Q2
    Label Available-for-sale Securities, Gross Realized Gains
    Start 2011-03-31
    Taxonomy us-gaap
    Unit USD
    Val 62,000,000
  188. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Label Increase (Decrease) in Other Operating Assets
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 4,363,000,000
  189. 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 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val -8,665,000,000
  190. 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 CY2011Q2I
    Label Intangible Assets, Net (Excluding Goodwill)
    Taxonomy us-gaap
    Unit USD
    Val 2,616,000,000
  191. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Label Proceeds from Stock Options Exercised
    Start 2010-12-29
    Taxonomy us-gaap
    Unit USD
    Val 37,000,000

Facts up to 2011-03-31

  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
    Frame CY2011Q1I
    Label Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
    Taxonomy us-gaap
    Unit USD
    Val 6,859,000,000
  2. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Frame CY2011Q1I
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 80,000,000
  3. Description This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.
    Fact AvailableForSaleSecuritiesGrossRealizedGainLossNet
    Frame CY2011Q1
    Label Available-for-sale Securities, Gross Realized Gain (Loss)
    Start 2010-12-30
    Taxonomy us-gaap
    Unit USD
    Val 66,000,000

Facts up to 2010-12-31

  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 5,761,000,000
  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 5,597,000,000
  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 100,000,000
  4. Description This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period.
    Fact LitigationSettlementGross
    Frame CY2010
    Label Litigation Settlement, Gross (Deprecated 2013-01-31)
    Start 2009-12-31
    Taxonomy us-gaap
    Unit USD
    Val 12,000,000
  5. 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 63,000,000
  6. Description For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.
    Fact CashAndDueFromBanks
    Label Cash and Due from Banks
    Taxonomy us-gaap
    Unit USD
    Val 3,311,000,000
  7. 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 17,787,000,000
  8. 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 2009-12-31
    Taxonomy us-gaap
    Unit USD
    Val 76,000,000
  9. 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 2009-12-31
    Taxonomy us-gaap
    Unit USD
    Val 30,000,000
  10. 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 2,593,000,000

Facts up to 2009-08-31

Description The value (monetary amount) of the award the plaintiff seeks in the legal matter.
Fact LossContingencyDamagesSoughtValue
Frame CY2009Q3I
Label Loss Contingency, Damages Sought, Value
Taxonomy us-gaap
Unit USD
Val 120,000,000

The filing refers to a past date, and does not necessarily reflect the current state. The latest known state is available on the following page: State Street Corporation Company, Boston, United States.