Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of AOCI (Details)

v2.4.1.9
Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of AOCI (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Gains on sales of debt securities $ 268us-gaap_MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments $ 377us-gaap_MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments
Net interest income 9,451us-gaap_InterestIncomeExpenseNet 10,085us-gaap_InterestIncomeExpenseNet
Other income (loss) 492us-gaap_NoninterestIncomeOtherOperatingIncome 411us-gaap_NoninterestIncomeOtherOperatingIncome
Personnel (9,614)us-gaap_LaborAndRelatedExpense (9,749)us-gaap_LaborAndRelatedExpense
Income (loss) before income taxes 4,742us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest (681)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income tax expense (benefit) 1,385us-gaap_IncomeTaxExpenseBenefit (405)us-gaap_IncomeTaxExpenseBenefit
Net income (loss) 3,357us-gaap_NetIncomeLoss (276)us-gaap_NetIncomeLoss
Reclassification out of Accumulated Other Comprehensive Income    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net income (loss) (63)us-gaap_NetIncomeLoss
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Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Unrealized Investment Gain (Loss) | Debt securities    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Gains on sales of debt securities 268us-gaap_MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments
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377us-gaap_MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments
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Other income (loss) (70)us-gaap_NoninterestIncomeOtherOperatingIncome
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Income (loss) before income taxes 198us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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Income tax expense (benefit) 75us-gaap_IncomeTaxExpenseBenefit
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143us-gaap_IncomeTaxExpenseBenefit
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Net income (loss) 123us-gaap_NetIncomeLoss
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233us-gaap_NetIncomeLoss
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Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Income (loss) before income taxes (256)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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(131)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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Income tax expense (benefit) (96)us-gaap_IncomeTaxExpenseBenefit
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(49)us-gaap_IncomeTaxExpenseBenefit
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Net income (loss) (160)us-gaap_NetIncomeLoss
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(82)us-gaap_NetIncomeLoss
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Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Interest rate contracts    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net interest income (255)us-gaap_InterestIncomeExpenseNet
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(281)us-gaap_InterestIncomeExpenseNet
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Reclassification out of Accumulated Other Comprehensive Income | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Equity contracts    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Personnel (1)us-gaap_LaborAndRelatedExpense
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150us-gaap_LaborAndRelatedExpense
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Reclassification out of Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Personnel (42)us-gaap_LaborAndRelatedExpense
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(13)us-gaap_LaborAndRelatedExpense
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Income (loss) before income taxes (42)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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(13)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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Income tax expense (benefit) (16)us-gaap_IncomeTaxExpenseBenefit
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(5)us-gaap_IncomeTaxExpenseBenefit
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Net income (loss) (26)us-gaap_NetIncomeLoss
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(8)us-gaap_NetIncomeLoss
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Reclassification out of Accumulated Other Comprehensive Income | Foreign currency    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Other income (loss) 0us-gaap_NoninterestIncomeOtherOperatingIncome
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2us-gaap_NoninterestIncomeOtherOperatingIncome
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Income (loss) before income taxes 0us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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2us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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Income tax expense (benefit) 0us-gaap_IncomeTaxExpenseBenefit
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Net income (loss) $ 0us-gaap_NetIncomeLoss
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$ 1us-gaap_NetIncomeLoss
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