Quarterly report pursuant to Section 13 or 15(d)

Trading Account Assets and Liabilities (Details)

v2.4.0.6
Trading Account Assets and Liabilities (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets $ 209,775 $ 169,319
Trading account liabilities 70,414 60,508
U.S. government and agency securities [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 69,664 [1] 52,613 [1]
Trading account liabilities 20,550 20,710
Government sponsored enterprise obligations [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 24,300 27,300
Corporate securities, trading loans and other [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 39,110 36,571
Equity securities [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 33,335 23,674
Trading account liabilities 21,651 14,594
Non-U.S. sovereign debt [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 52,071 42,946
Trading account liabilities 19,046 17,440
Mortgage trading loans and ABS [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 15,595 13,515
Corporate securities and other [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account liabilities $ 9,167 $ 7,764
[1] Includes $24.3 billion and $27.3 billion of government-sponsored enterprise obligations at March 31, 2012 and December 31, 2011.