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 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Cash flow hedges
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (Losses) Recognized in Accumulated OCI on Derivatives $ 125 $ 122 $ 106 $ (3)
Gains (Losses) in Income Reclassified from Accumulated OCI (186) (163) (521) (584)
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing (4) [1] 1 [1] (4) [1] (1) [1]
Interest rate risk on variable-rate portfolios | Cash flow hedges
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (Losses) Recognized in Accumulated OCI on Derivatives (12) (15) 33 (305)
Gains (Losses) in Income Reclassified from Accumulated OCI (271) (271) (831) (801)
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing (4) [1] 1 [1] (4) [1] (1) [1]
Price risk on restricted stock awards | Cash flow hedges
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (Losses) Recognized in Accumulated OCI on Derivatives 137 137 73 302
Gains (Losses) in Income Reclassified from Accumulated OCI 85 108 310 217
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing    [1]    [1]    
Foreign exchange contracts | Net investment hedges
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (Losses) Recognized in Accumulated OCI on Derivatives 2,286 (1,472) 1,308 1,008
Gains (Losses) in Income Reclassified from Accumulated OCI 9 2 7 (89)
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing $ (150) [1] $ (31) [1] $ (326) [1] $ (103) [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.