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
Mar. 31, 2013
Mar. 31, 2012
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 $ (895) $ (2,827)
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 (1,249) (755)
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 263 393
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 91 (2,465)
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 29 78
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 29 78
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 101 301
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 (1) (1)
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 102 302
Loans held-for-sale [Member]
   
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value Option, Changes in Borrower Specific Credit Risk, Gains (Losses) on Assets (106) (130)
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 276 [1] 591
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 8 [1] 56
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 278 [1] 431
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 (10) [1] 104
Loans and Loan Commitments [Member]
   
Fair Value, Option, Quantitative Disclosures [Line Items]    
Fair Value Option, Changes in Borrower Specific Credit Risk, Gains (Losses) on Assets (100) (600)
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 23 (104)
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 (104)
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 0 0
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 5 18
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 5 18
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 19 21
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 19 21
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 (44) (38)
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 (44) (38)
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 65 404
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 65 404
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 (39) 7
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 (39) 7
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     
Accrued expenses and other liabilities [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 29  
Accrued expenses and other liabilities [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 0  
Accrued expenses and other liabilities [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 29  
Accrued expenses and other liabilities [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 (1,359) [2] (4,105) [2]
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 (1,269) [2] (791) [2]
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    [2]  
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 $ (90) [2] $ (3,314) [2]
[1] Includes the value of IRLCs on loans funded, including those already sold.
[2] The majority of the net gains (losses) in trading account profits (losses) relate to the embedded derivative in structured liabilities and are offset by gains (losses) on derivatives and securities that hedge these liabilities. The net gains (losses) in other income (loss) relate to the impact on structured liabilities of changes in the Corporation's credit spread.