Quarterly report pursuant to Section 13 or 15(d)

Trading Account Assets and Liabilities (Details)

 v2.3.0.11
Trading Account Assets and Liabilities (Details) (USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Components of trading account assets and liabilities    
Trading account assets   $ 194,671
Trading account liabilities 74,989 71,985
Trading Account Assets and Liabilities (Textuals) [Abstract]    
Trading account assets   194,671
Reported Basis [Member]
   
Components of trading account assets and liabilities    
Trading account assets 196,939  
Trading account liabilities 74,989  
Trading Account Assets and Liabilities (Textuals) [Abstract]    
Trading account assets 196,939  
U.S. government and agency securities [Member]
   
Components of trading account assets and liabilities    
Trading account assets 45,968 60,811
Trading account liabilities 25,552 29,340
Trading Account Assets and Liabilities (Textuals) [Abstract]    
Trading account assets 45,968 60,811
Corporate securities and other [Member]
   
Components of trading account assets and liabilities    
Trading account liabilities 10,951 11,350
Corporate securities, trading loans and other [Member]
   
Components of trading account assets and liabilities    
Trading account assets 49,309 49,352
Trading Account Assets and Liabilities (Textuals) [Abstract]    
Trading account assets 49,309 49,352
Equity securities [Member]
   
Components of trading account assets and liabilities    
Trading account assets 37,801 32,129
Trading account liabilities 16,424 15,482
Trading Account Assets and Liabilities (Textuals) [Abstract]    
Trading account assets 37,801 32,129
Non-U.S. sovereign debt [Member]
   
Components of trading account assets and liabilities    
Trading account assets 46,723 33,523
Trading account liabilities 22,062 15,813
Trading Account Assets and Liabilities (Textuals) [Abstract]    
Trading account assets 46,723 33,523
Mortgage trading loans and ABS [Member]
   
Components of trading account assets and liabilities    
Trading account assets 17,138 18,856
Trading Account Assets and Liabilities (Textuals) [Abstract]    
Trading account assets 17,138 18,856
Government sponsored enterprise obligations [Member]
   
Components of trading account assets and liabilities    
Trading account assets 24,100 29,700
Trading Account Assets and Liabilities (Textuals) [Abstract]    
Trading account assets $ 24,100 $ 29,700