Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Net Investment and Economic Hedges (Details)

v2.4.0.6
Derivatives - Net Investment and Economic Hedges (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Foreign Exchange Risk [Member]
Mar. 31, 2012
Foreign Exchange Risk [Member]
Mar. 31, 2013
Net Investment Hedging [Member]
Foreign Exchange Risk [Member]
Mar. 31, 2012
Net Investment Hedging [Member]
Foreign Exchange Risk [Member]
Mar. 31, 2013
Trading Account Assets [Member]
Net Investment Hedging [Member]
Designated as Hedging Instrument [Member]
Dec. 31, 2012
Trading Account Assets [Member]
Net Investment Hedging [Member]
Designated as Hedging Instrument [Member]
Mar. 31, 2013
Trading Liabilities [Member]
Net Investment Hedging [Member]
Designated as Hedging Instrument [Member]
Dec. 31, 2012
Trading Liabilities [Member]
Net Investment Hedging [Member]
Designated as Hedging Instrument [Member]
Net investment hedges of foreign operations [Abstract]                    
Gains (losses) Recognized in Accumulated OCI         $ 1,045 $ (445)        
Gains (losses) in Income Reclassified from Accumulated OCI         (94) [1] 41 [1]        
Hedge Ineffectivenes and Amounts Excluded from Effectiveness Testing     (24) [1] 2 [1]            
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Assets, Fair Value             631 [1] 425 [1]    
Derivative Instruments in Hedges, Net Investment in Foreign Operations, Liabilities, Fair Value                 372 [1] 618 [1]
Notional Amount of Derivative Instruments Designated as Net Investment Hedges             20,467 [1] 5,140 [1] 5,740 [1] 19,391 [1]
Net gains (losses) on economic hedges [Abstract]                    
Interest rate risk (8) [2] (6) [2]                
Foreign currency risk (514) [2] 199 [2]                
Credit risk $ 9 [2] $ (49) [2]                
[1] Amounts are recorded in other revenues and are attributable to certain legal entity liquidations.
[2] Amounts are recorded in other revenues and interest expense.