Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Gains and Losses (Details)

v2.4.0.8
Fair Value Measurements - Gains and Losses (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total $ (308) $ (315) $ 2,115 $ (660)
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total (749) (872) 921 (3,380)
Trading Account Assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 141 202 531 415
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total (52) 146 149 254
Corporate securities, trading loans and other [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 133 69 256 192
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total (6) 36 48 95
Equity securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 4 15 54 24
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total 4 13 26 24
Non-U.S. sovereign debt [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 11 7 56 5
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total 5 8 70 16
Derivative assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total (499) (256) 186 17
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total (663) (636) (761) (1,899)
Mortgage trading loans and ABS [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total (7) 111 165 194
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total (55) 89 5 119
Available-for-sale debt securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 9   13 (3)
Non-Agency Residential MBS [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total       (69)
Corporate/Agency bonds [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total       (2)
Foreign Securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 5   5  
Other taxable securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 2   5 7
Tax-exempt securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 2 7 3 61
Loans and leases [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total (20) [1] 69 [1] 80 [2] 284 [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total (8) [2] 76 [2] 98 [3] 172 [3]
Mortgage servicing rights [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 71 (360) 1,531 (1,297)
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total (14) (552) 1,276 (1,804)
Loans held-for-sale [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 40 [1] 86 [1] 20 [2] 265 [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total 35 [2] 83 [2] 31 [3] 192 [3]
Other assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 3 24 (324) (110)
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total 15 105 131 (59)
Trading Liabilities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 1   7 4
Accrued expenses and other liabilities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Total 8 [1] 4 30 [2] 4 [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total   (2) [2]   3
Long-term debt [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 62 [2],[4] 91 [2],[5] (41) [6],[7] 239 [5],[8]
Trading Account Profits (Losses) 62 [2],[4] 91 [2],[5] (41) [6],[7] 239 [5],[8]
Total (62) [1] (91) [1] 41 [2] (239) [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Total (62) [2] (92) [2] (3) [3] (239) [3]
Equity investments [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 16 39 52 28
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) 17 115 23 90
Equity investments [Member] | Trading Account Assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 0   0 0
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) 0 0 0 0
Equity investments [Member] | Corporate securities, trading loans and other [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Equity investments [Member] | Equity securities [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Equity investments [Member] | Non-U.S. sovereign debt [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Equity investments [Member] | Derivative assets [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Equity investments [Member] | Mortgage trading loans and ABS [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Equity investments [Member] | Available-for-sale debt securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss)       0
Equity investments [Member] | Other taxable securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 0   0 0
Equity investments [Member] | Loans and leases [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)    [2]    [2]    [3]    [3]
Equity investments [Member] | Mortgage servicing rights [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Equity investments [Member] | Loans held-for-sale [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)    [2]    [2]    [3]    [3]
Equity investments [Member] | Other assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 16 39 52 28
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) 17 115 23 90
Equity investments [Member] | Trading Liabilities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 0   0 0
Equity investments [Member] | Accrued expenses and other liabilities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss)    [1]      [2]  
Trading Account Profits (Losses)    [1]      [2]  
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)      [2]     
Trading Account Profits (Losses)      [2]     
Equity investments [Member] | Long-term debt [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)    [2]    [2]    [3]    [3]
Trading Account Profits (Losses)    [2]    [2]    [3]    [3]
Trading Account Profits (Losses) [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Trading Account Profits (Losses) (616) (1,053) 6 (2,043)
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Trading Account Profits (Losses) (837) (1,102) (698) (2,374)
Trading Account Profits (Losses) [Member] | Trading Account Assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 141 202 531 415
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) (52) 146 149 254
Trading Account Profits (Losses) [Member] | Corporate securities, trading loans and other [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 133 69 256 192
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) (6) 36 48 95
Trading Account Profits (Losses) [Member] | Equity securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 4 15 54 24
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) 4 13 26 24
Trading Account Profits (Losses) [Member] | Non-U.S. sovereign debt [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 11 7 56 5
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) 5 8 70 16
Trading Account Profits (Losses) [Member] | Derivative assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) (727) (1,214) (581) (2,358)
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) (754) (1,202) (853) (2,526)
Trading Account Profits (Losses) [Member] | Mortgage trading loans and ABS [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) (7) 111 165 194
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) (55) 89 5 119
Trading Account Profits (Losses) [Member] | Available-for-sale debt securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 0     0
Trading Account Profits (Losses) [Member] | Foreign Securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 0   0  
Trading Account Profits (Losses) [Member] | Other taxable securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 0   0 0
Trading Account Profits (Losses) [Member] | Tax-exempt securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 0 0    
Trading Account Profits (Losses) [Member] | Loans and leases [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)    [2]    [2]    [3]    [3]
Trading Account Profits (Losses) [Member] | Mortgage servicing rights [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Trading Account Profits (Losses) [Member] | Loans held-for-sale [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)    [2]    [2]    [3]    [3]
Trading Account Profits (Losses) [Member] | Other assets [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Trading Account Profits (Losses) [Member] | Trading Liabilities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 1   7 4
Trading Account Profits (Losses) [Member] | Accrued expenses and other liabilities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss)    [1] 4    [2] 0 [2]
Trading Account Profits (Losses)    [1] 4    [2] 0 [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)   0 [2]   3
Trading Account Profits (Losses)   0 [2]   3
Trading Account Profits (Losses) [Member] | Long-term debt [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) (31) [1] (45) [1] 49 [2] (104) [2]
Trading Account Profits (Losses) (31) [1] (45) [1] 49 [2] (104) [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) (31) [2] (46) [2] 6 [3] (105) [3]
Trading Account Profits (Losses) (31) [2] (46) [2] 6 [3] (105) [3]
Mortgage Banking Income (Loss) [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss) 269 [9] 593 [9] 2,416 [10] 1,126 [10]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss) 53 [9] 15 [9] 1,498 [10] (1,166) [10]
Mortgage Banking Income (Loss) [Member] | Trading Account Assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss) 0 [9]   0 [10] 0 [10]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss) 0 [9] 0 [9] 0 [10] 0 [10]
Mortgage Banking Income (Loss) [Member] | Corporate securities, trading loans and other [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss)    [9]    [9]    [10]    [10]
Mortgage Banking Income (Loss) [Member] | Equity securities [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss)    [9]    [9]    [10]    [10]
Mortgage Banking Income (Loss) [Member] | Non-U.S. sovereign debt [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss)    [9]    [9]    [10]    [10]
Mortgage Banking Income (Loss) [Member] | Derivative assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss) 228 [9] 958 [9] 767 [10] 2,375 [10]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss) 91 [9] 566 [9] 92 [10] 627 [10]
Mortgage Banking Income (Loss) [Member] | Mortgage trading loans and ABS [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss)    [9]    [9]    [10]    [10]
Mortgage Banking Income (Loss) [Member] | Available-for-sale debt securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss)       0 [10]
Mortgage Banking Income (Loss) [Member] | Other taxable securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss) 0 [9]   0 [10]  
Mortgage Banking Income (Loss) [Member] | Loans and leases [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss) (38) [1],[9]   (38) [10],[2]  
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss) (35) [2],[9]    [2],[9] (35) [10],[3]    [10],[3]
Mortgage Banking Income (Loss) [Member] | Mortgage servicing rights [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss) 71 [9] (360) [9] 1,531 [10] (1,297) [10]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss) (14) [9] (552) [9] 1,276 [10] (1,804) [10]
Mortgage Banking Income (Loss) [Member] | Loans held-for-sale [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss) 0 [1],[9] 10 [1],[9] 2 [10],[2] 105 [10],[2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss) 0 [2],[9] 15 [2],[9] 6 [10],[3] 65 [10],[3]
Mortgage Banking Income (Loss) [Member] | Other assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss) 0 [9] (15) [9] 124 [10] (57) [10]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss) 11 [9] (14) [9] 159 [10] (54) [10]
Mortgage Banking Income (Loss) [Member] | Trading Liabilities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss) 0 [9]   0 [10]  
Mortgage Banking Income (Loss)       0 [10]
Mortgage Banking Income (Loss) [Member] | Accrued expenses and other liabilities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Mortgage Banking Income (Loss) 8 [1],[9]   30 [10],[2]  
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss)      [2],[9]      [10]
Mortgage Banking Income (Loss) [Member] | Long-term debt [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Mortgage Banking Income (Loss)    [2],[9]    [2],[9]    [10],[3]    [10],[3]
Other Income (loss) [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Other Income (Loss) 23 106 (359) 229
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Other Income (Loss) 18 100 98 70
Other Income (loss) [Member] | Trading Account Assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 0   0 0
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) 0 0 0 0
Other Income (loss) [Member] | Corporate securities, trading loans and other [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Other Income (loss) [Member] | Equity securities [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Other Income (loss) [Member] | Non-U.S. sovereign debt [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Other Income (loss) [Member] | Derivative assets [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Other Income (loss) [Member] | Mortgage trading loans and ABS [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)            
Other Income (loss) [Member] | Available-for-sale debt securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 9   13 (3)
Other Income (loss) [Member] | Non-Agency Residential MBS [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss)       (69)
Other Income (loss) [Member] | Corporate/Agency bonds [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss)       (2)
Other Income (loss) [Member] | Foreign Securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 5   5  
Other Income (loss) [Member] | Other taxable securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 2   5 7
Other Income (loss) [Member] | Tax-exempt securities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 2 7 3 61
Other Income (loss) [Member] | Loans and leases [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 18 [1] 69 [1] 118 [2] 284 [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) 27 [2] 76 [2] 133 [3] 172 [3]
Other Income (loss) [Member] | Mortgage servicing rights [Member]
       
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) 0    0   
Other Income (loss) [Member] | Loans held-for-sale [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 40 [1] 76 [1] 18 [2] 160 [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) 35 [2] 68 [2] 25 [3] 127 [3]
Other Income (loss) [Member] | Other assets [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) (13)   (500) (81)
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) (13) 4 (51) (95)
Other Income (loss) [Member] | Trading Liabilities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 0   0 0
Other Income (loss) [Member] | Accrued expenses and other liabilities [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) 0 [1]   0 [2] 4 [2]
Trading Account Profits (Losses) 0 [1]   0 [2] 4 [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss)   (2) [2]   0
Trading Account Profits (Losses)   (2) [2]   0
Other Income (loss) [Member] | Long-term debt [Member]
       
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings        
Equity Investment Income (Loss) (31) [1] (46) [1] (8) [2] (135) [2]
Trading Account Profits (Losses) (31) [1] (46) [1] (8) [2] (135) [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date        
Equity Investment Income (Loss) (31) [2] (46) [2] (9) [3] (134) [3]
Trading Account Profits (Losses) $ (31) [2] $ (46) [2] $ (9) [3] $ (134) [3]
[1] Amounts represent instruments that are accounted for under the fair value option.Level 3 – Total Realized and Unrealized Gains (Losses) Included in Earnings Nine Months Ended September 30, 2013(Dollars in millions)EquityInvestmentIncome(Loss) TradingAccountProfits(Losses) MortgageBankingIncome(Loss) (1) OtherIncome(Loss) TotalTrading account assets: Corporate securities, trading loans and other$— $256 $— $— $256Equity securities— 54 — — 54Non-U.S. sovereign debt— 56 — — 56Mortgage trading loans and ABS— 165 — — 165Total trading account assets— 531 — — 531Net derivative assets— (581) 767 — 186AFS debt securities: Non-U.S. securities— — — 5 5Other taxable securities— — — 5 5Tax-exempt securities— — — 3 3Total AFS debt securities— — — 13 13Loans and leases (2)— — (38) 118 80Mortgage servicing rights— — 1,531 — 1,531Loans held-for-sale (2)— — 2 18 20Other assets52 — 124 (500) (324)Trading account liabilities – Corporate securities and other— 7 — — 7Accrued expenses and other liabilities (2)— — 30 — 30Long-term debt (2)— 49 — (8) 41Total$52 $6 $2,416 $(359) $2,115 Nine Months Ended September 30, 2012Trading account assets: Corporate securities, trading loans and other$— $192 $— $— $192Equity securities— 24 — — 24Non-U.S. sovereign debt— 5 — — 5Mortgage trading loans and ABS— 194 — — 194Total trading account assets— 415 — — 415Net derivative assets— (2,358) 2,375 — 17AFS debt securities: Non-agency residential MBS— — — (69) (69)Corporate/Agency bonds— — — (2) (2)Other taxable securities— — — 7 7Tax-exempt securities— — — 61 61Total AFS debt securities— — — (3) (3)Loans and leases (2)— — — 284 284Mortgage servicing rights— — (1,297) — (1,297)Loans held-for-sale (2)— — 105 160 265Other assets28 — (57) (81) (110)Trading account liabilities – Corporate securities and other— 4 — — 4Accrued expenses and other liabilities (2)— — — 4 4Long-term debt (2)— (104) — (135) (239)Total$28 $(2,043) $1,126 $229 $(660)
[2] Amounts represent instruments that are accounted for under the fair value option.
[3] (2) Amounts represent instruments that are accounted for under the fair value option.
[4] Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[5] Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[6] (3) Amounts represent instruments that are accounted for under the fair value option.
[7] (1) Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[8] (4) Amounts represent instruments that are accounted for under the fair value option.
[9] Mortgage banking income does not reflect the impact of Level 1 and Level 2 hedges on MSRs.
[10] (1) Mortgage banking income does not reflect the impact of Level 1 and Level 2 hedges on MSRs.