Annual report pursuant to Section 13 and 15(d)

Trading Account Assets and Liabilities (Details)

v2.4.0.6
Trading Account Assets and Liabilities (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets $ 169,319 $ 194,671
Trading account liabilities 60,508 71,985
US Government-sponsored Enterprises Debt Securities [Member]
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 27,300 29,700
US government and agency securities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 52,613 60,811 [1]
Trading account liabilities 20,710 29,340
Corporate securities, trading loans and other
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 36,571 49,352
Equity Securities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 23,674 32,129
Trading account liabilities 14,594 15,482
Non-U.S. sovereign debt
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 42,946 33,523
Trading account liabilities 17,440 15,813
Mortgage trading loans and asset-backed securities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account assets 13,515 18,856
Corporate securities and other
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Trading account liabilities $ 7,764 $ 11,350
[1] Includes $27.3 billion and $29.7 billion of government-sponsored enterprise obligations at December 31, 2011 and 2010.