Quarterly report pursuant to Section 13 or 15(d)

Fair Value Option - Changes in FV of Assets and Liabilities (Details)

v2.4.0.6
Fair Value Option - Changes in FV of Assets and Liabilities (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option $ 1,146 $ 1,601 $ (1,681) $ 2,402
Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 846 (128) 195 51
Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 501 1,475 894 2,301
Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (201) 254 (2,770) 50
Loans reported as trading account assets [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 56 4 134 73
Loans reported as trading account assets [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 56 4 134 73
Loans reported as trading account assets [Member] | Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Loans reported as trading account assets [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Consumer and commercial loans [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 1   302  
Consumer and commercial loans [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 6   5  
Consumer and commercial loans [Member] | Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Consumer and commercial loans [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (5)   297  
Commercial loans [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option   33   128
Commercial loans [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option   7   (4)
Commercial loans [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option   26   132
Loans held-for-sale [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 487 1,544 1,078 2,637
Loans held-for-sale [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (7) 2 49 2
Loans held-for-sale [Member] | Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 518 1,511 949 2,383
Loans held-for-sale [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (24) 31 80 252
Securities financing agreements [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 37 98 (67) (13)
Securities financing agreements [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 23   23  
Securities financing agreements [Member] | Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Securities financing agreements [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 14 98 (90) (13)
Other assets [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (11) 1 7 30
Other assets [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Other assets [Member] | Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Other assets [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (11) 1 7 30
Long-term deposits [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (1) (40) 20 (35)
Long-term deposits [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Long-term deposits [Member] | Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Long-term deposits [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (1) (40) 20 (35)
Asset-backed secured financings [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (17) (36) (55) (82)
Asset-backed secured financings [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Asset-backed secured financings [Member] | Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (17) (36) (55) (82)
Asset-backed secured financings [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option            
Unfunded loan commitments [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (112) (76) 292 56
Unfunded loan commitments [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Unfunded loan commitments [Member] | Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Unfunded loan commitments [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option (112) (76) 292 56
Other short-term borrowings [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 12 37 19 93
Other short-term borrowings [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 12 37 19 93
Other short-term borrowings [Member] | Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Other short-term borrowings [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Long-term debt [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 694 36 (3,411) (485)
Long-term debt [Member] | Trading Account Profits (Losses) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option 756 (178) (35) (113)
Long-term debt [Member] | Mortgage Banking Income (Loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option          
Long-term debt [Member] | Other Income (loss) [Member]
       
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option        
Gains (Losses) Relating to Assets and Liabilities Accounted for Using Fair Value Option $ (62) $ 214 $ (3,376) $ (372)