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 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)          
Gross Sales $ 98 [1] $ 234 [1] $ 98 $ 234  
Reclassification of trading account assets - corporate securities, trading loans and other to trading account assets - mortgage trading loans and ABS     900    
Derivative assets 59,939   59,939   73,023
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 59,939 [2]   59,939 [2]   73,023 [2]
Derivative liabilities 51,515 [2]   51,515 [2]   59,520 [2]
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 11,397 [2] 15,200 11,397 [2] 15,200 14,366 [2]
Derivative liabilities 6,796 [2] 9,800 6,796 [2] 9,800 8,500 [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)          
Consolidation of VIEs      [3]      [4]  
Balance, beginning (124) [3] (102) [3] (114) [4] (7) [4]  
Gross Purchases 7 [3] 69 [3] 55 [4] 76 [4]  
Gross Sales (42) [3] (30) [3] (69) [4] (132) [4]  
Gross Transfers into Level 3     (65) [4]    
Gross Transfers out of Level 3 (16) [3]   (50) [4]    
Balance, ending (143) [4] (63) [3],[4] (143) [4] (63) [3],[4]  
Short-term Debt [Member]
          
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)          
Consolidation of VIEs      [3],[5]      [4],[6]  
Balance, beginning   (726) [3],[5]   (706) [4],[6]  
Gains (Losses) in Earnings   (36) [3],[5]   (82) [4],[6]  
Gains (Losses) in OCI      [3],[5]      [4],[6]  
Gross Purchases      [3],[5]      [4],[6]  
Gross Sales      [3],[5]   0 [4],[6]  
Gross Issuances      [3],[5]      [4],[6]  
Gross Settlements   18 [3],[5]   44 [4],[6]  
Gross Transfers into Level 3      [3],[5]      [4],[6]  
Gross Transfers out of Level 3      [3],[5]      [4],[6]  
Balance, ending   (744) [3],[4],[5],[6]   (744) [3],[4],[5],[6]  
Accrued Liabilities [Member]
          
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)          
Consolidation of VIEs      [3],[5]      [4],[6]  
Balance, beginning (3) [3],[5] (689) [3],[5] (14) [4],[6] (828) [4],[6]  
Gains (Losses) in Earnings 1 [3],[5] (79) [3],[5] 4 [4],[6] 64 [4],[6]  
Gains (Losses) in OCI    [3],[5]    [3],[5]    [4],[6]    [4],[6]  
Gross Purchases    [3],[5]    [3],[5] 5 [4],[6]    [4],[6]  
Gross Sales    [3],[5]    [3],[5]    [4],[6] (4) [4],[6]  
Gross Issuances    [3],[5] (9) [3],[5]    [4],[6] (9) [4],[6]  
Gross Settlements    [3],[5]    [3],[5]    [4],[6]    [4],[6]  
Gross Transfers into Level 3    [3],[5]    [3],[5]    [4],[6]    [4],[6]  
Gross Transfers out of Level 3    [3],[5]    [3],[5] (3) [4],[6]    [4],[6]  
Balance, ending (2) [4],[6] (777) [3],[4],[5],[6] (2) [4],[6] (777) [3],[4],[5],[6]  
Long-term Debt [Member]
          
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)          
Consolidation of VIEs      [3],[5]      [4],[6]  
Balance, beginning (2,500) [3],[5] (3,138) [3],[5] (2,943) [4],[6] (2,986) [4],[6]  
Gains (Losses) in Earnings 93 [3],[5] 5 [3],[5] (148) [4],[6] (143) [4],[6]  
Gains (Losses) in OCI    [3],[5]    [3],[5]    [4],[6]    [4],[6]  
Gross Purchases 42 [3],[5] 131 [3],[5] 118 [4],[6] 215 [4],[6]  
Gross Sales 0 [3],[5] (55) [3],[5] (33) [4],[6] (55) [4],[6]  
Gross Issuances (73) [3],[5] (206) [3],[5] (138) [4],[6] (249) [4],[6]  
Gross Settlements 275 [3],[5] 149 [3],[5] 708 [4],[6] 388 [4],[6]  
Gross Transfers into Level 3 (506) [3],[5] (393) [3],[5] (1,038) [4],[6] (1,030) [4],[6]  
Gross Transfers out of Level 3 (281) [3],[5] (183) [3],[5] (1,086) [4],[6] (536) [4],[6]  
Balance, ending (2,388) [4],[6] (3,324) [3],[4],[5],[6] (2,388) [4],[6] (3,324) [3],[4],[5],[6]  
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 11,084 [3] 15,261 [3] 11,455 [4] 15,525 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings (18) [3] 365 [3] 213 [4] 1,469 [4]  
Gains (Losses) in OCI    [3]    [3]    [4]    [4]  
Gross Purchases 1,833 [3] 3,245 [3] 3,044 [4] 5,709 [4]  
Gross Sales (1,970) [3] (4,494) [3] (3,680) [4] (8,004) [4]  
Gross Issuances    [3]    [3]    [4]    [4]  
Gross Settlements (683) [3] (620) [3] (971) [4] (865) [4]  
Gross Transfers into Level 3 123 [3] 330 [3] 932 [4] 939 [4]  
Gross Transfers out of Level 3 (106) [3] (63) [3] (730) [4] (749) [4]  
Balance, ending 10,263 [4] 14,024 [3],[4] 10,263 [4] 14,024 [3],[4]  
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 6,001 [3],[5] 7,578 [3],[5] 6,880 [4],[6],[7] 7,751 [4],[6]  
Consolidation of VIEs      [3],[5]      [4],[6]  
Gains (Losses) in Earnings 30 [3],[5] 181 [3],[5] 123 [4],[6],[7] 675 [4],[6]  
Gains (Losses) in OCI    [3],[5]    [3],[5]    [4],[6],[7]    [4],[6]  
Gross Purchases 570 [3],[5] 2,030 [3],[5] 1,245 [4],[6],[7] 3,580 [4],[6]  
Gross Sales (1,585) [3],[5] (2,187) [3],[5] (2,650) [4],[6],[7] (4,537) [4],[6]  
Gross Issuances    [3],[5]    [3],[5]    [4],[6],[7]    [4],[6]  
Gross Settlements (556) [3],[5] (338) [3],[5] (745) [4],[6],[7] (519) [4],[6]  
Gross Transfers into Level 3 98 [3],[5] 246 [3],[5] 157 [4],[6],[7] 815 [4],[6]  
Gross Transfers out of Level 3 (99) [3],[5] (58) [3],[5] (551) [4],[6],[7] (313) [4],[6]  
Balance, ending 4,459 [4],[6],[7] 7,452 [3],[4],[5],[6] 4,459 [4],[6],[7] 7,452 [3],[4],[5],[6]  
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 525 [3] 734 [3] 544 [4] 623 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings (6) [3] 24 [3] 9 [4] 67 [4]  
Gains (Losses) in OCI    [3]    [3]    [4]    [4]  
Gross Purchases 45 [3] 75 [3] 124 [4] 175 [4]  
Gross Sales (38) [3] (136) [3] (147) [4] (206) [4]  
Gross Issuances    [3]    [3]    [4]    [4]  
Gross Settlements 46 [3] (115) [3] 36 [4] (115) [4]  
Gross Transfers into Level 3 25 [3] 81 [3] 33 [4] 120 [4]  
Gross Transfers out of Level 3    [3] (1) [3] (2) [4] (2) [4]  
Balance, ending 597 [4] 662 [3],[4] 597 [4] 662 [3],[4]  
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 546 [3] 252 [3] 342 [4] 243 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings (26) [3] 80 [3] (2) [4] 85 [4]  
Gains (Losses) in OCI    [3]    [3]    [4]    [4]  
Gross Purchases 35 [3] 74 [3] 308 [4] 122 [4]  
Gross Sales (166) [3] (11) [3] (247) [4] (15) [4]  
Gross Issuances    [3]    [3]    [4]    [4]  
Gross Settlements    [3] (3) [3]    [4] (3) [4]  
Gross Transfers into Level 3    [3] 3 [3]    [4] 3 [4]  
Gross Transfers out of Level 3    [3] (4) [3] (12) [4] (44) [4]  
Balance, ending 389 [4] 391 [3],[4] 389 [4] 391 [3],[4]  
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 4,012 [3] 6,697 [3] 3,689 [4],[7] 6,908 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings (16) [3] 80 [3] 83 [4],[7] 642 [4]  
Gains (Losses) in OCI    [3]    [3]    [4],[7]    [4]  
Gross Purchases 1,183 [3] 1,066 [3] 1,367 [4],[7] 1,832 [4]  
Gross Sales (181) [3] (2,160) [3] (636) [4],[7] (3,246) [4]  
Gross Issuances    [3]    [3]    [4],[7]    [4]  
Gross Settlements (173) [3] (164) [3] (262) [4],[7] (228) [4]  
Gross Transfers into Level 3    [3]    [3] 742 [4],[7] 1 [4]  
Gross Transfers out of Level 3 (7) [3]    [3] (165) [4],[7] (390) [4]  
Balance, ending 4,818 [4],[7] 5,519 [3],[4] 4,818 [4],[7] 5,519 [3],[4]  
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 4,187 [3],[8] 6,419 [3],[9] 5,866 [4],[8] 7,745 [10],[4]  
Consolidation of VIEs      [3],[9]      [10],[4]  
Gains (Losses) in Earnings 1,110 [3],[8] 1,807 [3],[9] 273 [4],[8] 2,245 [10],[4]  
Gains (Losses) in OCI    [3],[8]    [3],[9]    [4],[8]    [10],[4]  
Gross Purchases 354 [3],[8] 384 [3],[9] 713 [4],[8] 886 [10],[4]  
Gross Sales (301) [3],[8] (512) [3],[9] (622) [4],[8] (1,260) [10],[4]  
Gross Issuances    [3],[8]    [3],[9]    [4],[8]    [10],[4]  
Gross Settlements (676) [3],[8] (2,390) [3],[9] (1,310) [4],[8] (4,060) [10],[4]  
Gross Transfers into Level 3 (39) [3],[8] 33 [3],[9] 67 [4],[8] 340 [10],[4]  
Gross Transfers out of Level 3 (34) [3],[8] (323) [3],[9] (386) [4],[8] (478) [10],[4]  
Balance, ending 4,601 [4],[8] 5,418 [10],[3],[4],[9] 4,601 [4],[8] 5,418 [10],[3],[4],[9]  
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 6,301 [3] 13,581 [3] 8,012 [4] 15,873 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings 28 [3] 3 [3] (10) [4] 15 [4]  
Gains (Losses) in OCI 13 [3] (42) [3] 67 [4]    [4]  
Gross Purchases 596 [3] 1,669 [3] 956 [4] 2,277 [4]  
Gross Sales (57) [3] (77) [3] (385) [4] (422) [4]  
Gross Issuances    [3]    [3]    [4]    [4]  
Gross Settlements (867) [3] (1,807) [3] (2,053) [4] (4,683) [4]  
Gross Transfers into Level 3    [3] 137 [3]    [4] 411 [4]  
Gross Transfers out of Level 3 (198) [3] (2) [3] (771) [4] (9) [4]  
Balance, ending 5,816 [4] 13,462 [3],[4] 5,816 [4] 13,462 [3],[4]  
Agency [Member]
          
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)          
Balance, beginning 33 [3]   37 [4] 4 [4]  
Consolidation of VIEs          [4]  
Gains (Losses) in Earnings    [3]      [4]    [4]  
Gains (Losses) in OCI    [3]      [4]    [4]  
Gross Purchases    [3]      [4]    [4]  
Gross Sales    [3]      [4] 0 [4]  
Gross Issuances    [3]      [4]    [4]  
Gross Settlements    [3]   (4) [4]    [4]  
Gross Transfers into Level 3    [3]      [4]    [4]  
Gross Transfers out of Level 3 (33) [3]   (33) [4] (4) [4]  
Balance, ending      [4]      [4]  
Agency-collateralized mortgage obligations [Member]
          
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)          
Balance, beginning   56 [3]      
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings      [3]      [4]  
Gains (Losses) in OCI      [3]      [4]  
Gross Purchases      [3]   56 [4]  
Gross Sales      [3]      [4]  
Gross Issuances      [3]      [4]  
Gross Settlements   (1) [3]   (1) [4]  
Gross Transfers into Level 3      [3]      [4]  
Gross Transfers out of Level 3      [3]      [4]  
Balance, ending   55 [3],[4]   55 [3],[4]  
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 29 [3] 1,203 [3] 860 [4] 1,468 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings   (29) [3] (69) [4] (45) [4]  
Gains (Losses) in OCI    [3] (6) [3] 19 [4] (28) [4]  
Gross Purchases    [3] 2 [3]    [4] 2 [4]  
Gross Sales (12) [3] (53) [3] (305) [4] (290) [4]  
Gross Issuances    [3]    [3]    [4]    [4]  
Gross Settlements (2) [3] (27) [3] (2) [4] (289) [4]  
Gross Transfers into Level 3    [3] 4 [3]    [4] 276 [4]  
Gross Transfers out of Level 3 (14) [3]    [3] (502) [4]    [4]  
Balance, ending 1 [4] 1,094 [3],[4] 1 [4] 1,094 [3],[4]  
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 38 [3] 19 [3] 40 [4] 19 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings    [3]    [3]    [4]    [4]  
Gains (Losses) in OCI    [3]    [3]    [4]    [4]  
Gross Purchases    [3]    [3]    [4]    
Gross Sales (11) [3]    [3] (11) [4]    [4]  
Gross Issuances    [3]    [3]    [4]    [4]  
Gross Settlements (3) [3] (1) [3] (5) [4] (1) [4]  
Gross Transfers into Level 3    [3]    [3]    [4]    [4]  
Gross Transfers out of Level 3    [3]    [3]    [4]    [4]  
Balance, ending 24 [4] 18 [3],[4] 24 [4] 18 [3],[4]  
Non-U.S. 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 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings      [3]      [4]  
Gains (Losses) in OCI      [3]      [4]  
Gross Purchases      [3]      [4]  
Gross Sales      [3]      [4]  
Gross Issuances      [3]      [4]  
Gross Settlements      [3]      [4]  
Gross Transfers into Level 3   88 [3]   88 [4]  
Gross Transfers out of Level 3      [3]   (3) [4]  
Balance, ending   88 [3],[4]   88 [3],[4]  
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 131 [3] 133 [3] 162 137 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings     (2) [4] 2 [4]  
Gains (Losses) in OCI    [3] (2) [3]    [4] (1) [4]  
Gross Purchases    [3] 86 [3] (2) [4] 86 [4]  
Gross Sales    [3]    [3]    [4] (7) [4]  
Gross Issuances    [3]    [3]    [4]    [4]  
Gross Settlements (38) [3]    [3] (38) [4]    [4]  
Gross Transfers into Level 3    [3] 7 [3]    [4] 7 [4]  
Gross Transfers out of Level 3    [3]    [3] (27) [4]    [4]  
Balance, ending 93 [4] 224 [3],[4] 93 [4] 224 [3],[4]  
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 4,175 [3] 11,024 [3] 4,265 [4] 13,018 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings   23 [3] 7 [4] 52 [4]  
Gains (Losses) in OCI 6 [3] 5 [3] 23 [4] 62 [4]  
Gross Purchases 596 [3] 898 [3] 958 [4] 1,450 [4]  
Gross Sales    [3] (1) [3]    [4] (53) [4]  
Gross Issuances    [3]    [3]    [4]    [4]  
Gross Settlements (68) [3] (1,573) [3] (486) [4] (4,155) [4]  
Gross Transfers into Level 3    [3]    [3]    [4] 2 [4]  
Gross Transfers out of Level 3 (151) [3] (2) [3] (209) [4] (2) [4]  
Balance, ending 4,558 [4] 10,374 [3],[4] 4,558 [4] 10,374 [3],[4]  
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 1,895 [3] 1,146 [3] 2,648 [4] 1,224 [4]  
Consolidation of VIEs      [3]      [4]  
Gains (Losses) in Earnings 28 [3] 9 [3] 54 [4] 6 [4]  
Gains (Losses) in OCI 7 [3] (39) [3] 25 [4] (33) [4]  
Gross Purchases    [3] 683 [3]    [4] 683 [4]  
Gross Sales (34) [3] (23) [3] (69) [4] (72) [4]  
Gross Issuances    [3]    [3]    [4]    [4]  
Gross Settlements (756) [3] (205) [3] (1,518) [4] (237) [4]  
Gross Transfers into Level 3    [3] 38 [3]    [4] 38 [4]  
Gross Transfers out of Level 3    [3]    [3]    [4]    [4]  
Balance, ending 1,140 [4] 1,609 [3],[4] 1,140 [4] 1,609 [3],[4]  
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 2,782 [1],[3],[5] 3,619 [1],[3],[5] 2,744 [1],[4],[6] 3,321 [11],[4],[6]  
Consolidation of VIEs   5,194 [1],[3],[5]   5,194 [11],[4],[6]  
Gains (Losses) in Earnings 51 [1],[3],[5] 37 [1],[3],[5] 215 [1],[4],[6] 209 [11],[4],[6]  
Gains (Losses) in OCI    [1],[3],[5]    [1],[3],[5]    [1],[4],[6]    [11],[4],[6]  
Gross Purchases    [1],[3],[5] 21 [1],[3],[5]    [1],[4],[6] 21 [11],[4],[6]  
Gross Sales (1,158) [1],[3],[5] (267) [1],[3],[5] (1,158) [1],[4],[6] (376) [11],[4],[6]  
Gross Issuances    [1],[3],[5] 1,821 [1],[3],[5]    [1],[4],[6] 2,667 [11],[4],[6]  
Gross Settlements (47) [1],[3],[5] (828) [1],[3],[5] (164) [1],[4],[6] (1,444) [11],[4],[6]  
Gross Transfers into Level 3    [1],[3],[5]    [1],[3],[5]    [1],[4],[6] 5 [11],[4],[6]  
Gross Transfers out of Level 3 7 [1],[3],[5]    [1],[3],[5] (2) [1],[4],[6]    [11],[4],[6]  
Balance, ending 1,635 [1],[4],[6] 9,597 [1],[11],[3],[4],[5],[6] 1,635 [1],[4],[6] 9,597 [1],[11],[3],[4],[5],[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 7,589 [1],[3] 15,282 [1],[3] 7,378 [1],[4] 14,900 [11],[4]  
Consolidation of VIEs      [1],[3]      [11],[4]  
Gains (Losses) in Earnings (1,592) [1],[3] (2,447) [1],[3] (937) [1],[4] (2,200) [11],[4]  
Gains (Losses) in OCI    [1],[3]    [1],[3]    [1],[4]    [11],[4]  
Gross Purchases    [1],[3]    [1],[3]    [1],[4]    [11],[4]  
Gross Sales (98) [1],[3] (234) [1],[3] (98) [1],[4] (234) [11],[4]  
Gross Issuances 91 [1],[3] 410 [1],[3] 168 [1],[4] 1,251 [11],[4]  
Gross Settlements (282) [1],[3] (639) [1],[3] (803) [1],[4] (1,345) [11],[4]  
Gross Transfers into Level 3    [1],[3]    [1],[3]    [1],[4]    [11],[4]  
Gross Transfers out of Level 3    [1],[3]    [1],[3]    [1],[4]    [11],[4]  
Balance, ending 5,708 [1],[4] 12,372 [1],[11],[3],[4] 5,708 [1],[4] 12,372 [1],[11],[3],[4]  
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 2,862 [3],[5] 4,259 [3],[5] 3,387 [4],[6] 4,140 [4],[6]  
Consolidation of VIEs      [3],[5]      [4],[6]  
Gains (Losses) in Earnings 10 [3],[5] 7 [3],[5] 179 [4],[6] 185 [4],[6]  
Gains (Losses) in OCI    [3],[5]    [3],[5]    [4],[6]    [4],[6]  
Gross Purchases 6 [3],[5] 92 [3],[5] 10 [4],[6] 123 [4],[6]  
Gross Sales (21) [3],[5] (70) [3],[5] (21) [4],[6] (243) [4],[6]  
Gross Issuances    [3],[5]    [3],[5]    [4],[6]    [4],[6]  
Gross Settlements (129) [3],[5] (469) [3],[5] (226) [4],[6] (592) [4],[6]  
Gross Transfers into Level 3 13 [3],[5] 219 [3],[5] 44 [4],[6] 441 [4],[6]  
Gross Transfers out of Level 3    [3],[5] (26) [3],[5] (632) [4],[6] (42) [4],[6]  
Balance, ending 2,741 [4],[6] 4,012 [3],[4],[5],[6] 2,741 [4],[6] 4,012 [3],[4],[5],[6]  
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 3,487 [12],[3] 4,193 [13],[3] 4,235 [12],[4] 6,856 [14],[4]  
Consolidation of VIEs      [13],[3]      [14],[4]  
Gains (Losses) in Earnings (102) [12],[3] 180 [13],[3] (134) [12],[4] 302 [14],[4]  
Gains (Losses) in OCI    [12],[3]    [13],[3]    [12],[4]    [14],[4]  
Gross Purchases 6 [12],[3] 95 [13],[3] 49 [12],[4] 172 [14],[4]  
Gross Sales (186) [12],[3] (243) [13],[3] (767) [12],[4] (1,184) [14],[4]  
Gross Issuances    [12],[3]    [13],[3]    [12],[4]    [14],[4]  
Gross Settlements (69) [12],[3] (105) [13],[3] (236) [12],[4] (393) [14],[4]  
Gross Transfers into Level 3    [12],[3] 375 [13],[3]    [12],[4] 375 [14],[4]  
Gross Transfers out of Level 3    [12],[3]    [13],[3] (11) [12],[4] (1,633) [14],[4]  
Balance, ending $ 3,136 [12],[4] $ 4,495 [13],[14],[3],[4] $ 3,136 [12],[4] $ 4,495 [13],[14],[3],[4]  
[1] Issuances represent loan originations and mortgage servicing rights retained following securitizations or whole loan sales.
[2] For further disaggregation of derivative assets and liabilities, see Note 3 – Derivatives.
[3] Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[4] (1) Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[5] Amounts represent items that are accounted for under the fair value option.
[6] (2) Amounts represent items that are accounted for under the fair value option.
[7] During the six months ended June 30, 2012, approximately $900 million was reclassified from Trading account assets - Corporate securities, trading loans and other to Trading account assets - Mortgage trading loans and ABS. In the table above, this reclassification is presented as a sale of Trading account assets - Corporate securities, trading loans and other and as a purchase of Trading account assets - Mortgage trading loans and ABS.
[8] Net derivatives include derivative assets of $11.4 billion and derivative liabilities of $6.8 billion.
[9] Net derivatives include derivative assets of $15.2 billion and derivative liabilities of $9.8 billion.
[10] (3) Net derivatives include derivative assets of $15.2 billion and derivative liabilities of $9.8 billion.
[11] (4) Issuances represent loan originations and mortgage servicing rights retained following securitizations or whole loan sales.
[12] Other assets is primarily comprised of net monoline exposure to a single counterparty and private equity investments.
[13] Other assets is primarily comprised of AFS marketable equity securities.
[14] (5) Other assets is primarily comprised of AFS marketable equity securities.