Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Reconciliation (Details)

v2.4.0.6
Fair Value Measurements - Reconciliation (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Gross Sales $ 183 $ 0  
Derivative assets 52,247   53,497
Fair Value, Measurements, Recurring [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Derivative assets 52,247 [1]   53,497 [1]
Derivative liabilities 47,825 [1]   46,016 [1]
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Derivative assets 8,011 [1] 11,300 8,073 [1]
Derivative liabilities 6,948 [1] 7,100 6,605 [1]
Corporate securities, trading loans and other [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning (64) [2] (114) [2]  
Gross Purchases 7 [2] 48 [2]  
Gross Sales (14) [2] (27) [2]  
Gross Transfers into Level 3 8 [2] (65) [2]  
Gross Transfers out of Level 3 (21) [2] (34) [2]  
Balance, ending (58) [2] (124) [2]  
Accrued Liabilities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning (15) [2],[3] (14) [2],[4]  
Gains (Losses) in Earnings 29 [2],[3] 3 [2],[4]  
Gains (Losses) in OCI    [2],[3]    [2],[4]  
Gross Purchases    [2],[3] 5 [2],[4]  
Gross Sales    [2],[3]    [2],[4]  
Gross Issuances (586) [2],[3]    [2],[4]  
Gross Settlements 116 [2],[3]    [2],[4]  
Gross Transfers into Level 3    [2],[3]    [2],[4]  
Gross Transfers out of Level 3 (1) [2],[3] 3 [2],[4]  
Balance, ending (455) [2],[3] (3) [2],[4]  
Long-term Debt [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning (2,301) [2],[3] (2,943) [2],[4]  
Gains (Losses) in Earnings 11 [2],[3] (241) [2],[4]  
Gains (Losses) in OCI    [2],[3]    [2],[4]  
Gross Purchases 89 [2],[3] 76 [2],[4]  
Gross Sales (4) [2],[3] (33) [2],[4]  
Gross Issuances (36) [2],[3] (65) [2],[4]  
Gross Settlements 60 [2],[3] 433 [2],[4]  
Gross Transfers into Level 3 (381) [2],[3] (532) [2],[4]  
Gross Transfers out of Level 3 (207) [2],[3] (805) [2],[4]  
Balance, ending (2,355) [2],[3] (2,500) [2],[4]  
Trading Account Assets [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 9,559 [2] 11,455 [2]  
Gains (Losses) in Earnings 343 [2] 231 [2]  
Gains (Losses) in OCI    [2]    [2]  
Gross Purchases 1,502 [2] 1,211 [2]  
Gross Sales (1,719) [2] (1,710) [2]  
Gross Issuances    [2]    [2]  
Gross Settlements (771) [2] (288) [2]  
Gross Transfers into Level 3 231 [2] 809 [2]  
Gross Transfers out of Level 3 (144) [2] (624) [2]  
Balance, ending 9,001 [2] 11,084 [2]  
Corporate securities, trading loans and other [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 3,726 [2],[3] 6,880 [2],[4]  
Gains (Losses) in Earnings 88 [2],[3] 93 [2],[4]  
Gains (Losses) in OCI    [2],[3]    [2],[4]  
Gross Purchases 805 [2],[3] 675 [2],[4]  
Gross Sales (966) [2],[3] (1,065) [2],[4]  
Gross Issuances    [2],[3]    [2],[4]  
Gross Settlements (140) [2],[3] (189) [2],[4]  
Gross Transfers into Level 3 218 [2],[3] 59 [2],[4]  
Gross Transfers out of Level 3 (124) [2],[3] (452) [2],[4]  
Balance, ending 3,607 [2],[3] 6,001 [2],[4]  
Equity securities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 545 [2] 544 [2]  
Gains (Losses) in Earnings 42 [2] 15 [2]  
Gains (Losses) in OCI    [2]    [2]  
Gross Purchases 29 [2] 79 [2]  
Gross Sales (109) [2] (109) [2]  
Gross Issuances    [2]    [2]  
Gross Settlements 0 [2] (10) [2]  
Gross Transfers into Level 3 8 [2] 8 [2]  
Gross Transfers out of Level 3 (18) [2] (2) [2]  
Balance, ending 497 [2] 525 [2]  
Non-U.S. sovereign debt [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 353 [2] 342 [2]  
Gains (Losses) in Earnings 51 [2] 24 [2]  
Gains (Losses) in OCI    [2]    [2]  
Gross Purchases 15 [2] 273 [2]  
Gross Sales (1) [2] (81) [2]  
Gross Issuances    [2]    [2]  
Gross Settlements    [2]    [2]  
Gross Transfers into Level 3    [2]    [2]  
Gross Transfers out of Level 3 (1) [2] (12) [2]  
Balance, ending 417 [2] 546 [2]  
Mortgage trading loans and ABS [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 4,935 [2] 3,689 [2]  
Gains (Losses) in Earnings 162 [2] 99 [2]  
Gains (Losses) in OCI    [2]    [2]  
Gross Purchases 653 [2] 184 [2]  
Gross Sales (643) [2] (455) [2]  
Gross Issuances    [2]    [2]  
Gross Settlements (631) [2] (89) [2]  
Gross Transfers into Level 3 5 [2] 742 [2]  
Gross Transfers out of Level 3 (1) [2] (158) [2]  
Balance, ending 4,480 [2] 4,012 [2]  
Derivative assets [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 1,468 [2],[5] 5,866 [2],[5]  
Gains (Losses) in Earnings 293 [2],[5] (837) [2],[5]  
Gains (Losses) in OCI    [2],[5]    [2],[5]  
Gross Purchases 179 [2],[5] 359 [2],[5]  
Gross Sales (466) [2],[5] (321) [2],[5]  
Gross Issuances    [2],[5]    [2],[5]  
Gross Settlements (660) [2],[5] (634) [2],[5]  
Gross Transfers into Level 3 52 [2],[5] 106 [2],[5]  
Gross Transfers out of Level 3 197 (352) [2],[5]  
Balance, ending 1,063 [2],[5] 4,187 [2],[5]  
Available-for-sale debt securities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 5,091 [2] 8,012 [2]  
Gains (Losses) in Earnings 1 [2] (38) [2]  
Gains (Losses) in OCI 9 [2] 54 [2]  
Gross Purchases 244 [2] 360 [2]  
Gross Sales 0 [2] (328) [2]  
Gross Issuances    [2]    [2]  
Gross Settlements (152) [2] (1,186) [2]  
Gross Transfers into Level 3    [2] 0 [2]  
Gross Transfers out of Level 3 0 (573) [2]  
Balance, ending 5,193 [2] 6,301 [2]  
Agency [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning   37 [2]  
Gains (Losses) in Earnings      [2]  
Gains (Losses) in OCI      [2]  
Gross Purchases      [2]  
Gross Sales      [2]  
Gross Issuances      [2]  
Gross Settlements   (4) [2]  
Gross Transfers into Level 3      [2]  
Gross Transfers out of Level 3   0 [2]  
Balance, ending   33 [2]  
Non-Agency Residential MBS [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning   860 [2]  
Gains (Losses) in Earnings   (69) [2]  
Gains (Losses) in OCI   19 [2]  
Gross Purchases      [2]  
Gross Sales   (293) [2]  
Gross Issuances      [2]  
Gross Settlements   0 [2]  
Gross Transfers into Level 3   0 [2]  
Gross Transfers out of Level 3   (488) [2]  
Balance, ending   29 [2]  
Non-Agency Commercial MBS [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 10 [2] 40 [2]  
Gains (Losses) in Earnings    [2]    [2]  
Gains (Losses) in OCI    [2]    [2]  
Gross Purchases    [2]    [2]  
Gross Sales    [2]    [2]  
Gross Issuances    [2]    [2]  
Gross Settlements 0 [2] (2) [2]  
Gross Transfers into Level 3    [2]    [2]  
Gross Transfers out of Level 3    [2]    [2]  
Balance, ending 10 [2] 38 [2]  
Non United States Securities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 0 [2]    
Gains (Losses) in Earnings    [2]    
Gains (Losses) in OCI    [2]    
Gross Purchases 1 [2]    
Gross Sales    [2]    
Gross Issuances    [2]    
Gross Settlements 0 [2]    
Gross Transfers into Level 3    [2]    
Gross Transfers out of Level 3    [2]    
Balance, ending 1 [2]    
Corporate Bond [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 92 [2] 162 [2]  
Gains (Losses) in Earnings   (2) [2]  
Gains (Losses) in OCI 4 [2] 0 [2]  
Gross Purchases    [2] (2) [2]  
Gross Sales    [2]    [2]  
Gross Issuances    [2]    [2]  
Gross Settlements    [2]    [2]  
Gross Transfers into Level 3    [2]    [2]  
Gross Transfers out of Level 3    [2] (27) [2]  
Balance, ending 96 [2] 131 [2]  
Other taxable securities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 3,928 [2] 4,265 [2]  
Gains (Losses) in Earnings   7 [2]  
Gains (Losses) in OCI 2 [2] 17 [2]  
Gross Purchases 243 [2] 362 [2]  
Gross Sales    [2] 0 [2]  
Gross Issuances    [2]    [2]  
Gross Settlements (128) [2] (418) [2]  
Gross Transfers into Level 3    [2]    [2]  
Gross Transfers out of Level 3 0 [2] (58) [2]  
Balance, ending 4,045 [2] 4,175 [2]  
Tax-exempt securities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 1,061 [2] 2,648 [2]  
Gains (Losses) in Earnings 1 [2] 26 [2]  
Gains (Losses) in OCI 3 [2] 18 [2]  
Gross Purchases    [2]    [2]  
Gross Sales 0 [2] (35) [2]  
Gross Issuances    [2]    [2]  
Gross Settlements (24) [2] (762) [2]  
Gross Transfers into Level 3    [2]    [2]  
Gross Transfers out of Level 3    [2]    [2]  
Balance, ending 1,041 [2] 1,895 [2]  
Loans and leases [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 2,287 [2],[3],[6] 2,744 [2],[4],[6]  
Gains (Losses) in Earnings 51 [2],[3],[6] 164 [2],[4],[6]  
Gains (Losses) in OCI    [2],[3],[6]    [2],[4],[6]  
Gross Purchases 71 [2],[3],[6]    [2],[4],[6]  
Gross Sales    [2],[3],[6] 0 [2],[4],[6]  
Gross Issuances 5 [2],[3],[6] 0 [2],[4],[6]  
Gross Settlements (41) [2],[3],[6] (117) [2],[4],[6]  
Gross Transfers into Level 3    [2],[3],[6]    [2],[4],[6]  
Gross Transfers out of Level 3 (10) [2],[3],[6] (9) [2],[4],[6]  
Balance, ending 2,363 [2],[3],[6] 2,782 [2],[4],[6]  
Mortgage servicing rights [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 5,716 [2],[6] 7,378 [2],[6]  
Gains (Losses) in Earnings 434 [2],[6] 655 [2],[6]  
Gains (Losses) in OCI    [2],[6]    [2],[6]  
Gross Purchases    [2],[6]    [2],[6]  
Gross Sales (183) [2],[6]    [2],[6]  
Gross Issuances 123 [2],[6] 77 [2],[6]  
Gross Settlements (314) [2],[6] (521) [2],[6]  
Gross Transfers into Level 3    [2],[6]    [2],[6]  
Gross Transfers out of Level 3    [2],[6]    [2],[6]  
Balance, ending 5,776 [2],[6] 7,589 [2],[6]  
Loans held-for-sale [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 2,733 [2],[3] 3,387 [2],[4]  
Gains (Losses) in Earnings (39) [2],[3] 169 [2],[4]  
Gains (Losses) in OCI    [2],[3]    [2],[4]  
Gross Purchases 0 [2],[3] 4 [2],[4]  
Gross Sales (210) [2],[3] 0 [2],[4]  
Gross Issuances    [2],[3]    [2],[4]  
Gross Settlements (101) [2],[3] (97) [2],[4]  
Gross Transfers into Level 3 22 [2],[3] 31 [2],[4]  
Gross Transfers out of Level 3 0 (632) [2],[4]  
Balance, ending 2,405 [2],[3] 2,862 [2],[4]  
Other assets [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance, beginning 3,129 [2],[7] 4,235 [2],[7]  
Gains (Losses) in Earnings (448) [2],[7] (32) [2],[7]  
Gains (Losses) in OCI    [2],[7]    [2],[7]  
Gross Purchases 17 [2],[7] 43 [2],[7]  
Gross Sales (27) [2],[7] (581) [2],[7]  
Gross Issuances    [2],[7]    [2],[7]  
Gross Settlements (42) [2],[7] (167) [2],[7]  
Gross Transfers into Level 3    [2],[7]    [2],[7]  
Gross Transfers out of Level 3    [2],[7] (11) [2],[7]  
Balance, ending $ 2,629 [2],[7] $ 3,487 [2],[7]  
[1] For further disaggregation of derivative assets and liabilities, see Note 3 – Derivatives.
[2] Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[3] Net derivatives include derivative assets of $8.0 billion and derivative liabilities of $6.9 billion
[4] (2) Net derivatives include derivative assets of $11.3 billion and derivative liabilities of $7.1 billion.
[5] Amounts represent instruments that are accounted for under the fair value option.
[6] Issuances represent loan originations and mortgage servicing rights retained following securitizations or whole loan sales.
[7] Other assets is primarily comprised of net monoline exposure to a single counterparty and private equity investments.