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Fair Value Measurement (Details 4) (USD $)
In Millions
Dec. 31, 2010
Dec. 31, 2009
Credit adjustments [Abstract]  
Derivative receivables balance$ 80,481$ 80,210
Derivatives CVA(4,362)(3,697)
Derivative payables balance69,21960,125
Derivatives DVA(882)(841)
Structured notes balance53,13959,064
Structured notes DVA$ (1,153)$ (685)