Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details 1)

v2.3.0.15
Fair Value Measurements (Details 1) (USD $)
In Millions
 3 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2011
Jun. 30, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Dec. 31, 2009
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Corporate securities, trading loans and other [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Corporate securities, trading loans and other [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Corporate securities, trading loans and other [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Corporate securities, trading loans and other [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Corporate securities, trading loans and other [Member]
Sep. 30, 2011
Corporate securities, trading loans and other [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Corporate securities, trading loans and other [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Corporate securities, trading loans and other [Member]
Sep. 30, 2010
Corporate securities, trading loans and other [Member]
Sep. 30, 2011
Corporate securities, trading loans and other [Member]
Sep. 30, 2010
Corporate securities, trading loans and other [Member]
Sep. 30, 2011
Corporate securities, trading loans and other [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Corporate securities, trading loans and other [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2010
Trading Liabilities [Member]
Sep. 30, 2011
Trading Liabilities [Member]
Sep. 30, 2010
Trading Liabilities [Member]
Sep. 30, 2011
Short-term Debt [Member]
Sep. 30, 2010
Short-term Debt [Member]
Sep. 30, 2011
Short-term Debt [Member]
Sep. 30, 2010
Short-term Debt [Member]
Sep. 30, 2010
Accrued expenses and other liabilities [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Accrued Liabilities [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Accrued Liabilities [Member]
Sep. 30, 2010
Accrued Liabilities [Member]
Sep. 30, 2011
Accrued Liabilities [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Long-term Debt [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Long-term Debt [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Long-term Debt [Member]
Sep. 30, 2010
Long-term Debt [Member]
Sep. 30, 2011
Long-term Debt [Member]
Sep. 30, 2010
Long-term Debt [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Equity securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Equity securities [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Non-U.S. sovereign debt [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Non-U.S. sovereign debt [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Mortgage trading loans and ABS [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Mortgage trading loans and ABS [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Agency [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Agency [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Non-U.S. Securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Non-U.S. Securities [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Corporate Bond [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Corporate Bond [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Other taxable securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Other taxable securities [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Tax-exempt securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Tax-exempt securities [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Agency-collateralized mortgage obligations [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Non-Agency Residential MBS [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Non-Agency Commercial MBS [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Loans held-for-sale [Member]
Dec. 31, 2010
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Other assets [Member]
Sep. 30, 2011
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Equity securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Equity securities [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Non-U.S. sovereign debt [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Non-U.S. sovereign debt [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Mortgage trading loans and ABS [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Mortgage trading loans and ABS [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Agency [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Agency [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Non-U.S. Securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Non-U.S. Securities [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Corporate Bond [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Corporate Bond [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Other taxable securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Other taxable securities [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Tax-exempt securities [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2010
Tax-exempt securities [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2011
Derivative assets [Member]
Sep. 30, 2010
Derivative assets [Member]
Sep. 30, 2011
Derivative assets [Member]
Sep. 30, 2010
Derivative assets [Member]
Sep. 30, 2011
Available-for-sale debt securities [Member]
Sep. 30, 2010
Available-for-sale debt securities [Member]
Sep. 30, 2011
Available-for-sale debt securities [Member]
Sep. 30, 2010
Available-for-sale debt securities [Member]
Sep. 30, 2011
Agency [Member]
Sep. 30, 2011
Agency [Member]
Sep. 30, 2011
Agency-collateralized mortgage obligations [Member]
Sep. 30, 2011
Agency-collateralized mortgage obligations [Member]
Sep. 30, 2011
Non-Agency Residential MBS [Member]
Sep. 30, 2010
Non-Agency Residential MBS [Member]
Sep. 30, 2011
Non-Agency Residential MBS [Member]
Sep. 30, 2010
Non-Agency Residential MBS [Member]
Sep. 30, 2011
Non-Agency Commercial MBS [Member]
Sep. 30, 2010
Non-Agency Commercial MBS [Member]
Sep. 30, 2011
Non-Agency Commercial MBS [Member]
Sep. 30, 2010
Non-Agency Commercial MBS [Member]
Sep. 30, 2011
Non-U.S. Securities [Member]
Sep. 30, 2010
Non-U.S. Securities [Member]
Sep. 30, 2011
Non-U.S. Securities [Member]
Sep. 30, 2010
Non-U.S. Securities [Member]
Sep. 30, 2011
Corporate Bond [Member]
Sep. 30, 2010
Corporate Bond [Member]
Sep. 30, 2011
Corporate Bond [Member]
Sep. 30, 2010
Corporate Bond [Member]
Sep. 30, 2011
Other taxable securities [Member]
Sep. 30, 2010
Other taxable securities [Member]
Sep. 30, 2011
Other taxable securities [Member]
Sep. 30, 2010
Other taxable securities [Member]
Sep. 30, 2011
Tax-exempt securities [Member]
Sep. 30, 2010
Tax-exempt securities [Member]
Sep. 30, 2011
Tax-exempt securities [Member]
Sep. 30, 2010
Tax-exempt securities [Member]
Sep. 30, 2011
Trading Account Assets [Member]
Sep. 30, 2010
Trading Account Assets [Member]
Sep. 30, 2011
Trading Account Assets [Member]
Sep. 30, 2010
Trading Account Assets [Member]
Sep. 30, 2011
Equity securities [Member]
Sep. 30, 2010
Equity securities [Member]
Sep. 30, 2011
Equity securities [Member]
Sep. 30, 2010
Equity securities [Member]
Sep. 30, 2011
Non-U.S. sovereign debt [Member]
Sep. 30, 2010
Non-U.S. sovereign debt [Member]
Sep. 30, 2011
Non-U.S. sovereign debt [Member]
Sep. 30, 2010
Non-U.S. sovereign debt [Member]
Sep. 30, 2011
Mortgage trading loans and ABS [Member]
Sep. 30, 2010
Mortgage trading loans and ABS [Member]
Sep. 30, 2011
Mortgage trading loans and ABS [Member]
Sep. 30, 2010
Mortgage trading loans and ABS [Member]
Sep. 30, 2011
Loans and leases [Member]
Sep. 30, 2010
Loans and leases [Member]
Sep. 30, 2011
Loans and leases [Member]
Sep. 30, 2010
Loans and leases [Member]
Sep. 30, 2011
Mortgage servicing rights [Member]
Sep. 30, 2010
Mortgage servicing rights [Member]
Sep. 30, 2011
Mortgage servicing rights [Member]
Sep. 30, 2010
Mortgage servicing rights [Member]
Dec. 31, 2010
Mortgage servicing rights [Member]
Jun. 30, 2010
Mortgage servicing rights [Member]
Dec. 31, 2009
Mortgage servicing rights [Member]
Sep. 30, 2011
Loans held-for-sale [Member]
Sep. 30, 2010
Loans held-for-sale [Member]
Sep. 30, 2011
Loans held-for-sale [Member]
Sep. 30, 2010
Loans held-for-sale [Member]
Sep. 30, 2011
Other assets [Member]
Sep. 30, 2010
Other assets [Member]
Sep. 30, 2011
Other assets [Member]
Sep. 30, 2010
Other assets [Member]
Sep. 30, 2010
Corporate securities and other [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                                                                                                                                                                                                                                                                                                              
Servicing Asset at Fair Value, Amount $ 7,880 $ 12,372 $ 14,900 $ 12,251 $ 14,745 $ 19,465                                                                                                 $ 7,880 $ 14,900           $ 7,880 $ 14,900                                                                                                                                                         $ 14,900 [1],[2] $ 14,745 [3],[4] $ 19,465                  
Trading Liabilities, Fair Value Disclosure                 (70) (7)   (10,272) (11,350)                                                   0 0 0 0                         (70) (7)           (68,026) (71,985) (18,614) (15,482) (17,767) (15,813)                                                                                                                                                                        
Loans And Leases Fair Value Disclosure                                                                                                             5,300 3,321           11,224 3,321                                                                                                                                                                                
Trading Account Assets, Fair Value Disclosure             7,492 7,751                   45,482 49,352                                       597 623 375 243 3,771 6,908                     12,235 15,525           176,398 194,671 23,639 32,129 43,112 33,523 12,440 18,856                                                                                                                                                                    
Servicing Asset at Fair Value, Amount                           7,492 [1] 8,737 [1],[3] 7,492 [1] 8,737 [1],[3]                                             557 [1]                                       4,140 6,856                                     6,292 [1],[5] 9,544 [1],[3],[6] 6,292 [1],[5] 9,544 [1],[3],[6] 13,762 [1] 16,868 [1] 13,762 [1] 16,868 [1] 13 [1] 13 [1] 55 [1] 55 [1] 1,080 [1] 1,542 [1],[3] 1,080 [1] 1,542 [1],[3] 35 [1] 65 [1],[3] 35 [1] 65 [1],[3] 0 [1] 23 [1],[3] 0 [1] 23 [1],[3] 364 [1] 272 [1],[3] 364 [1] 272 [1],[3] 9,342 [1] 13,736 [1],[3] 9,342 [1] 13,736 [1],[3] 2,873 [1] 1,230 [1],[3] 2,873 [1] 1,230 [1],[3] 12,235 [1] 17,555 [1] 12,235 [1] 17,555 [1] 597 [1] 717 [1],[3] 597 [1] 717 [1],[3] 375 [1] 258 [1],[3] 375 [1] 258 [1],[3] 3,771 [1] 7,843 [1],[3] 3,771 [1] 7,843 [1],[3] 5,300 [1],[2],[7] 3,684 [1],[3],[4] 5,300 [1],[2],[7] 3,684 [1],[3],[4] 7,880 [1],[2] 12,251 [3],[4] 7,880 [1],[2] 12,251 [3],[4]       3,630 [1],[7] 6,021 [1],[3],[4] 3,630 [1],[7] 6,021 [1],[3],[4] 5,750 [1],[8] 7,266 [1],[3],[8] 5,750 [1],[8] 7,266 [1],[3],[8]  
Available-for-sale Securities, Fair Value Disclosure                                                                                         13 4 0 3 364 137 9,342 13,018 2,873 1,224 13,762 15,873 0 1,468 19     324,267 337,627             160,079 191,217 4,963 4,139 4,116 5,291 12,468 15,392 5,179 5,497                                                                                                                                                
Commercial paper and other short term borrowings fair value disclosure                                                                                                             667 706           6,194 7,178                                                                                                                                                                                
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)                                                                                                                                                                                                                                                                                                              
Beginning Balance                           7,452 [1] 9,873 [3]   11,080 [1]                                             557 [1]                                       4,140 6,856                                     5,418 [1],[5] 9,402 [3],[6] 7,745 7,863 [1],[6] 13,462 [1] 17,700 15,873 20,346 [1] 0 [1]   55 [1]   1,094 [1] 1,976 [3]   7,216 [1] 18 [1] 50 [3]   258 [1] 88 [1] 233 [3]   468 [1] 224 [1] 304 [3]   927 [1] 10,374 [1] 13,900 [3]   9,854 [1] 1,609 [1] 1,237 [3]   1,623 [1] 13,970 [1] 19,059 15,459 [1] 21,077 [1] 608 [1] 726 [3]   1,084 [1] 391 [1] 952 [3]   1,143 [1] 5,519 [1] 7,508 [3]   7,770 [1] 9,597 [1],[2],[7] 3,898 [3],[4]   4,936 [1],[4] 12,372             4,012 [1],[7] 5,981 [3],[4]   6,942 [1],[4] 4,549 [1],[8] 7,702 [3],[8] 6,922 [1],[8] 7,821 [1],[8]  
Consolidation of VIEs                               0 117       0 [4] 0 [4]     0 [4] 0 [4] 0 [4]         0 [4]         0 [4] 0 [4]                                                                                       0 [5] 0 [6]     0 5,716   0   0     0 (96)     0 0     0 0     0 0     0 5,812     0 0     0 292     0 0     0 0 [4]     0 175     5,194 [2],[7] 0 [4]     0 [2] 0           0 [7] 0 [4]     0 [8] 0 [8]  
Gains (Losses) Included in Earnings                           (219) 257 456 611                                                                                                                             3,211 [5] 2,684 [6] 5,456 [5] 7,675 [6] (62) (86) (47) (747) 0 0 0 0 (41) (86) (86) (601) 0 0 0 (13) 0 (2) 0 (126) (4) 0 (2) (3) (25) 2 27 21 8 0 14 (25) (356) 446 1,111 769 (8) (17) 57 (50) (17) 23 68 (132) (112) 183 530 340 (209) [2],[7] 86 [4] 0 [2],[7] (54) [4] (3,860) (2,315) (6,060) (7,011)       (142) [7] 386 [4] 43 [7] 453 [4] 54 [8] (201) [8] 356 [8] 1,336 [8]  
Gains (Losses) Included in OCI                           0 0 0 0                                                                                                                             0 [5] 0 [6] 0 [5] 0 [6] 0 222 0 (301) 0 0 0 0 52 108 24 (202) 0 (3) 0 (34) 0 14 0 (75) (1) 11 (2) 46 (42) 92 20 (27) (9) 0 (42) (9) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 [2],[7] 0 [4] 0 [2],[7] 0 [4] 0 [2] 0 0 [2] 0       0 [7] 0 [4] 0 [7] 0 [4] 0 [8] 0 [8] 0 [8] 0 [8]  
Gross Purchases                           1,084   4,664                                                                                                                               154 [5]   1,040 [5]   4,448   6,725   13 13 0 56 9   11   17   17   0   0   162   248   2,068   3,518   2,179   2,862   1,287   6,996   103   278   3   125   97   1,929   0 [2],[7]   21 [2],[7]   0 [2]   0 [2]         15 [7]   138 [7]   1,703 [8]   1,875 [8]    
Gross Sales                           (757)   (5,294)                                                                                                                               (200) [5]   (1,460) [5]   (2,206)   (2,628)   0 0 0 0 (3)   (293)   0   0   0   0   (9)   (16)   (2,187)   (2,240)   (7)   (79)   (2,230)   (10,220)   (92)   (284)   (3)   (18)   (1,378)   (4,624)   0 [2],[7]   (376) [2],[7]   (218)   (452)         (200) [7]   (443) [7]   (290) [8]   (1,486) [8]    
Gross Issuances                           0   0                                                                                                                               0 [5]   0 [5]   0   0   0 0 0 0 0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   451 [2],[7]   3,118 [2],[7]   251   1,502         0 [7]   0 [7]   0 [8]   0 [8]    
Gross Settlements                           (561)   (1,080)                                                                                                                               (2,950) [5]   (7,010) [5]   (1,112)   (5,795)   0 0 0 (1) (32)   (321)   0   (1)   0   0   0   0   (846)   (5,001)   (234)   (471)   (666)   (1,531)   (25)   (140)   0   (3)   (80)   (308)   (194) [2],[7]   (1,638) [2],[7]   (665)   (2,010)         (112) [7]   (704) [7]   (266) [8]   (659) [8]    
Purchases, Issuances and Settlements                             (802)   (3,600)                                                                                                                               (2,246) [6]   (6,697) [6]   (1,079)   (11,083)           (567)   (6,396)   18   (110)   (222)   (300)   (43)   (709)   (258)   (3,000)   (7)   (568)   (684)   (4,474)   18   (308)   (75)   (155)   175   (411)   (300) [4]   (1,198) [4]   (179)   (203)         (397) [4]   (1,824) [4]   (235) [8]   (1,656) [8]  
Gross Transfers into Level 3                           635 [1] 252 [3] 1,450 [1] 2,441 [1]                                                                                                                             285 [1],[5] 307 [3],[6] 625 [1],[5] 1,075 [1],[6] 1 [1] 111 412 [1] 3,382 [1] 0 [1] 0 [1] 0 [1] 0 [1] 1 [1] 111 [3] 277 [1] 1,809 [1] 0 [1] 0 [3] 0 [1] 52 [1] 0 [1] 0 [3] 88 [1] 56 [1] 0 [1] 0 [3] 7 [1] 30 [1] 0 [1] 0 [3] 2 [1] 1,119 [1] 0 [1] 0 [3] 38 [1] 316 [1] 665 [1] 270 1,604 [1] 3,026 [1] 11 [1] 0 [3] 131 [1] 75 [1] 1 [1] 11 [3] 4 [1] 114 [1] 18 [1] 7 [3] 19 [1] 396 [1] 0 [1],[2],[7] 0 [3],[4] 5 [1],[2],[7] 0 [1],[4] 0 [1],[2] 0 [3] 0 [1],[2] 0 [1]       61 [1],[7] 118 [3],[4] 502 [1],[7] 517 [1],[4] 0 [1],[8] 0 [3],[8] 375 [1],[8] 0 [1],[8]  
Gross Transfers out of Level 3                           (142) [1] (843) [3] (455) [1] (1,912) [1]                                                                                                                             374 [1],[5] (603) [3],[6] (104) [1],[5] (372) [1],[6] (769) [1] 0 (778) [1] (445) [1] 0 [1] (4) [1] 0 [1] 0 [1] 0 [1] 0 [3] 0 [1] (188) [1] 0 [1] 0 [3] 0 [1] (88) [1] (88) [1] 0 [3] (91) [1] 0 [1] (8) [1] 0 [3] (8) [1] (19) [1] 0 [1] 0 [3] (2) [1] (43) [1] (673) [1] 0 [3] (673) [1] (107) [1] (435) [1] (1,536) (1,184) [1] (3,135) [1] 0 [1] (10) [3] (2) [1] (84) [1] 0 [1] (653) [3] (44) [1] (712) [1] (293) [1] (30) [3] (683) [1] (427) [1] (4,345) [1],[2],[7] 0 [3],[4] (4,345) 0 [1],[4] 0 [1],[2] 0 [3] 0 [1],[2] 0 [1]       (4) [1],[7] (67) [3],[4] (46) [1],[7] (67) [1],[4] 0 [1],[8] 0 [3],[8] (1,633) [1],[8] (235) [1],[8]  
Balance September 30                           7,492 [1] 8,737 [1],[3] 7,492 [1] 8,737 [1],[3]                                             557 [1]                                       4,140 6,856                                     6,292 [1],[5] 9,544 [1],[3],[6] 6,292 [1],[5] 9,544 [1],[3],[6] 13,762 [1] 16,868 [1] 13,762 [1] 16,868 [1] 13 [1] 13 [1] 55 [1] 55 [1] 1,080 [1] 1,542 [1],[3] 1,080 [1] 1,542 [1],[3] 35 [1] 65 [1],[3] 35 [1] 65 [1],[3] 0 [1] 23 [1],[3] 0 [1] 23 [1],[3] 364 [1] 272 [1],[3] 364 [1] 272 [1],[3] 9,342 [1] 13,736 [1],[3] 9,342 [1] 13,736 [1],[3] 2,873 [1] 1,230 [1],[3] 2,873 [1] 1,230 [1],[3] 12,235 [1] 17,555 [1] 12,235 [1] 17,555 [1] 597 [1] 717 [1],[3] 597 [1] 717 [1],[3] 375 [1] 258 [1],[3] 375 [1] 258 [1],[3] 3,771 [1] 7,843 [1],[3] 3,771 [1] 7,843 [1],[3] 5,300 [1],[2],[7] 3,684 [1],[3],[4] 5,300 [1],[2],[7] 3,684 [1],[3],[4] 7,880 [1],[2] 12,251 [3],[4] 7,880 [1],[2] 12,251 [3],[4]       3,630 [1],[7] 6,021 [1],[3],[4] 3,630 [1],[7] 6,021 [1],[3],[4] 5,750 [1],[8] 7,266 [1],[3],[8] 5,750 [1],[8] 7,266 [1],[3],[8]  
Beginning Balance                     (63)       73         80   396 [1] (744) 700   707 [1],[4] 891 [1],[4] (13) (828) (777) 918   (2,657) (2,986) (3,324) 4,090   4,660 [1],[4]                                                                                                                                                                             7   386 [1]                                               10 [1]
Gains (Losses) Included in Earnings                     2       0         0 2 18 58 (35) (24) (76) [4] 166 [4]     0 116 64     388 (190) 245 598 [4]                                                                                                                                                                             0   23                                               (5)
Gains (Losses) in OCI                     0       0         0 0 0 0 0 0 0 0     0 0 0     0 0 0 0                                                                                                                                                                             0   0                                               0
Gross Purchases                     18                   94   0   0         0   0     125   340                                                                                                                                                                                                                                    
Gross Sales                     (3)                   (135)   0   0         0   (4)     (17)   (72)                                                                                                                                                                                                                                    
Gross Issuances                     0                   0   0   0         0   (9)     (218)   (467)                                                                                                                                                                                                                                    
Gross Settlements                     0                   0   19   63         3   3     366   754                                                                                                                                                                                                                                    
Purchases, Issuances and Settlements                             (11)         (4)   (37)   23   71 [4] (77) [4]       0         174   (90) [4]                                                                                                                                                                             7   (17)                                               (20)
Gross Transfers into Level 3                     (24)       0         0 (24) (52) [1] 0 0 0 0 [1],[4] 0 [1],[4]     0 0 [1] 0     (679) [1] (477) [1] (1,709) [1] (1,374) [1],[4]                                                                                                                                                                             0   0 [1]                                               (52) [1]
Gross Transfers out of Level 3                     0       46         46 0 429 [1] 0 0 0 0 [1],[4] 0 [1],[4]     761 [1] 0 761 [1]     702 [1] 475 1,238 [1] 1,418 [1],[4]                                                                                                                                                                             0   380 [1]                                               49 [1]
Balance September 30                     $ (70)       $ 38   $ 38     $ 38 [1]   $ 38 [1] $ (667) $ 712 [1],[4] $ (667) $ 712 [1],[4] $ 802 [1],[4] $ (13) $ (828) $ (13) $ 802 $ (13) $ (2,657) $ (2,986) $ (2,657) $ 4,108 [1],[4] $ (2,657) $ 4,108 [1],[4]                                                                                                                                                                             $ 0 [1]   $ 0 [1]                                               $ 38 [1]
[1] Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[2] Issuances represent loan originations and mortgage servicing rights retained following securitizations or whole loan sales.
[3] ) Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[4] Amounts represent instruments that are accounted for under the fair value option.
[5] Net derivatives at September 30, 2011 include derivative assets of $16.0 billion and derivative liabilities of $9.8 billion.
[6] Net derivatives at September 30, 2010 include derivative assets of $20.4 billion and derivative liabilities of $10.9 billion.
[7] Amounts represent items that are accounted for under the fair value option.
[8] Other assets is primarily comprised of AFS marketable equity securities.