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 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 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 $ (1,115) $ 7,672 $ (2,786) $ 10,074
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 (1,014) 2,580 (757) 2,635
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 626 1,407 1,520 3,708
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 (727) 3,685 (3,549) 3,731
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 64 (29) 198 44
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 64 (29) 198 44
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 188   438  
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 3   8  
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 185   430  
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   (448)   (320)
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          
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   (448)   (320)
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 787 1,236 1,865 3,873
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 20 (9) 69 (7)
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 680 1,349 1,629 3,732
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 87 (104) 167 148
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 9 206 (58) 193
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 13   36  
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 (4) 206 (94) 193
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 1 132 8 162
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 1 132 8 162
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 (20) (48)   (83)
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 (20) (48)   (83)
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 (54) 58 (109) (24)
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 (54) 58 (109) (24)
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 313 (559) 605 (503)
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 313 (559) 605 (503)
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 (1) 214 18 307
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 (1) 214 18 307
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 (2,402) 6,910 (5,751) 6,425
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 (1,113) 2,404 (1,086) 2,291
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 $ (1,289) $ 4,506 $ (4,665) $ 4,134