Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Derivatives Designated as Accounting Hedges - Cash Flow and Net Investment Hedges (Details)

v2.4.0.8
Derivatives - Derivatives Designated as Accounting Hedges - Cash Flow and Net Investment Hedges (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
In Text Details [Abstract]    
Net Losses in AOCI $ 781  
Net Losses in AOCI, after tax 488  
Cash Flow Hedging [Member]
    
Cash Flow Hedges And Net Investment Hedges [Abstract]    
Gain (losses) Recognized in Accumulated OCI on Derivatives 173 41
Gains (losses) in Income Reclassified from Accumulated OCI (131) (235)
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing    [1] (1) [1]
Interest Rate Risk on Variable Rate Portfolios [Member] | Cash Flow Hedging [Member]
    
Cash Flow Hedges And Net Investment Hedges [Abstract]    
Gain (losses) Recognized in Accumulated OCI on Derivatives 17 (14)
Gains (losses) in Income Reclassified from Accumulated OCI (281) (275)
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing    [1] (1) [1]
Price risk on restricted stock awards [Member] | Cash Flow Hedging [Member]
    
Cash Flow Hedges And Net Investment Hedges [Abstract]    
Gain (losses) Recognized in Accumulated OCI on Derivatives 156 55
Gains (losses) in Income Reclassified from Accumulated OCI 150 40
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing    [1]    [1]
Foreign Exchange Risk [Member] | Net Investment Hedging [Member]
    
Cash Flow Hedges And Net Investment Hedges [Abstract]    
Gain (losses) Recognized in Accumulated OCI on Derivatives (181) 1,676
Gains (losses) in Income Reclassified from Accumulated OCI (2) (94)
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing $ (58) [1] $ (35) [1]
[1] Amounts related to derivatives designated as cash flow hedges represent hedge ineffectiveness and amounts related to net investment hedges represent amounts excluded from effectiveness testing.