Quarterly report pursuant to Section 13 or 15(d)

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

v3.2.0.727
Derivatives - Derivatives Designated as Accounting Hedges - Cash Flow and Net Investment Hedges (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Cash flow hedges        
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (Losses) Recognized in Accumulated OCI on Derivatives $ 162 $ (192) $ (24) $ (19)
Gains (Losses) in Income Reclassified from Accumulated OCI (231) (204) (487) (335)
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing     (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 (19) 28 5 45
Gains (Losses) in Income Reclassified from Accumulated OCI (259) (279) (514) (560)
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing     (1)  
Price risk on restricted stock awards | Cash flow hedges        
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (Losses) Recognized in Accumulated OCI on Derivatives 181 (220) (29) (64)
Gains (Losses) in Income Reclassified from Accumulated OCI 28 75 27 225
Foreign exchange risk | Net investment hedges        
Derivative Instruments, Gain (Loss) [Line Items]        
Gains (Losses) Recognized in Accumulated OCI on Derivatives (992) (797) 990 (978)
Gains (Losses) in Income Reclassified from Accumulated OCI 84   84 (2)
Hedge Ineffectiveness and Amounts Excluded from Effectiveness Testing $ 11 $ (118) $ (87) $ (176)