Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Reconciliation (Details)

v2.4.0.6
Fair Value Measurements - Reconciliation (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Derivative assets [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance $ 7,745 [1] $ 7,863 [2],[3] $ 2,270 [2]
Merrill Lynch Acquisition     2,307 [2]
Gains (Losses) Included in Earnings 5,199 [1] 8,118 [3] 5,526 [2]
Gross Purchases 1,235 [1]    
Gross Sales (1,553) [1]    
Gross Settlements (7,779) [1]    
Purchases, Issuances and Settlements   (8,778) [3] (7,906) [2]
Gross Transfers into Level 3 1,199 [1] 1,067 [3]  
Gross Transfers out of Level 3 (180) [1] (525) [3]  
Transfers into/(out of) Level 3     5,666 [2]
Balance December 31 5,866 [1] 7,745 [1] 7,863 [2],[3]
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)      
Beginning Balance 15,873 20,346 18,702
Consolidation of VIEs 0 5,716  
Merrill Lynch Acquisition     2,509
Gains (Losses) Included in Earnings (123) (1,108) (1,518)
Gains (Losses) Included in OCI 19 (193) 3,327
Gross Purchases 7,138    
Gross Sales (2,728)    
Gross Settlements (6,377)    
Purchases, Issuances and Settlements   (11,946) (2,488)
Gross Transfers into Level 3 548 3,503  
Gross Transfers out of Level 3 (6,338) (445)  
Transfers into/(out of) Level 3     (186)
Balance December 31 8,012 15,873 20,346
Agency [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance 4    
Gains (Losses) Included in OCI   0  
Gross Purchases 14    
Gross Sales (11)    
Purchases, Issuances and Settlements   4  
Gross Transfers into Level 3 34 0  
Gross Transfers out of Level 3 (4)    
Balance December 31 37 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)      
Beginning Balance 0    
Gross Purchases 56    
Gross Sales (56)    
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)      
Beginning Balance 1,468 7,216 5,439
Consolidation of VIEs   113  
Merrill Lynch Acquisition     2,509
Gains (Losses) Included in Earnings (158) (646) (1,159)
Gains (Losses) Included in OCI 41 (169) 2,738
Gross Purchases 11    
Gross Sales (307)    
Gross Settlements (568)    
Purchases, Issuances and Settlements   (6,767) (4,187)
Gross Transfers into Level 3 373 1,909  
Gross Transfers out of Level 3   (188)  
Transfers into/(out of) Level 3     1,876
Balance December 31 860 1,468 7,216
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)      
Beginning Balance 19 258 657
Gains (Losses) Included in Earnings   (13) (185)
Gains (Losses) Included in OCI   (31) (7)
Gross Purchases 15    
Gross Sales 0    
Purchases, Issuances and Settlements   (178) (155)
Gross Transfers into Level 3 6 71  
Gross Transfers out of Level 3   (88)  
Transfers into/(out of) Level 3     (52)
Balance December 31 40 19 258
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)      
Beginning Balance 3 468 1,247
Gains (Losses) Included in Earnings   (125) (79)
Gains (Losses) Included in OCI   (75) (226)
Gross Sales 0    
Purchases, Issuances and Settlements   (321) (73)
Gross Transfers into Level 3 88 56  
Gross Transfers out of Level 3 (91) 0  
Transfers into/(out of) Level 3     (401)
Balance December 31   3 468
Corporate Bond [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance 137 927 1,598
Gains (Losses) Included in Earnings (12) (3) (22)
Gains (Losses) Included in OCI (8) 47 127
Gross Purchases 304    
Gross Sales (17)    
Purchases, Issuances and Settlements   (847) 324
Gross Transfers into Level 3 7 32  
Gross Transfers out of Level 3 (249) (19)  
Transfers into/(out of) Level 3     (1,100)
Balance December 31 162 137 927
Other taxable securities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance 13,018 9,854 9,599
Consolidation of VIEs   5,603  
Gains (Losses) Included in Earnings 26 (296) (75)
Gains (Losses) Included in OCI 21 44 669
Gross Purchases 3,876    
Gross Sales (2,245)    
Gross Settlements (5,112)    
Purchases, Issuances and Settlements   (3,263) 815
Gross Transfers into Level 3 2 1,119  
Gross Transfers out of Level 3 (5,321) (43)  
Transfers into/(out of) Level 3     (1,154)
Balance December 31 4,265 13,018 9,854
Tax-exempt securities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance 1,224 1,623 162
Gains (Losses) Included in Earnings 21 (25) 2
Gains (Losses) Included in OCI (35) (9) 26
Gross Purchases 2,862    
Gross Sales (92)    
Gross Settlements (697)    
Purchases, Issuances and Settlements   (574) 788
Gross Transfers into Level 3 38 316  
Gross Transfers out of Level 3 (673) (107)  
Transfers into/(out of) Level 3     645
Balance December 31 2,648 1,224 1,623
Trading Account Assets [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance 15,459 21,077 6,733
Consolidation of VIEs   292  
Merrill Lynch Acquisition     18,184
Gains (Losses) Included in Earnings 1,068 1,282 (152)
Gross Purchases 8,428    
Gross Sales (11,876)    
Gross Settlements (1,945)    
Purchases, Issuances and Settlements   (7,010) (3,340)
Gross Transfers into Level 3 1,910 3,241  
Gross Transfers out of Level 3 (1,589) (3,357)  
Transfers into/(out of) Level 3     (348)
Balance December 31 11,455 15,459 21,077
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)      
Beginning Balance 7,751 [4] 11,080 [4] 4,540
Consolidation of VIEs   117 [4]  
Merrill Lynch Acquisition     7,012
Gains (Losses) Included in Earnings 490 [4] 848 [4] 370
Gross Purchases 5,683 [4]    
Gross Sales (6,664) [4]    
Gross Settlements (1,362) [4]    
Purchases, Issuances and Settlements   (4,852) [4] (2,015)
Gross Transfers into Level 3 1,695 [4] 2,599 [4]  
Gross Transfers out of Level 3 (713) [4] (2,041) [4]  
Transfers into/(out of) Level 3     1,173
Balance December 31 6,880 [4] 7,751 [4] 11,080 [4]
Equity Securities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance 557 1,084 546
Merrill Lynch Acquisition     3,848
Gains (Losses) Included in Earnings 49 (81) (396)
Gross Purchases 335    
Gross Sales (362)    
Gross Settlements (140)    
Purchases, Issuances and Settlements   (342) (2,425)
Gross Transfers into Level 3 132 131  
Gross Transfers out of Level 3 (27) (169)  
Transfers into/(out of) Level 3     (489)
Balance December 31 544 557 1,084
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)      
Beginning Balance 243 1,143  
Merrill Lynch Acquisition     30
Gains (Losses) Included in Earnings 87 (138) 136
Gross Purchases 188    
Gross Sales (137)    
Gross Settlements (3)    
Purchases, Issuances and Settlements   (157) 167
Gross Transfers into Level 3 8 115  
Gross Transfers out of Level 3 (44) (720)  
Transfers into/(out of) Level 3     810
Balance December 31 342 243 1,143
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)      
Beginning Balance 6,908 7,770 1,647
Consolidation of VIEs   175  
Merrill Lynch Acquisition     7,294
Gains (Losses) Included in Earnings 442 653 (262)
Gross Purchases 2,222    
Gross Sales (4,713)    
Gross Settlements (440)    
Purchases, Issuances and Settlements   (1,659) 933
Gross Transfers into Level 3 75 396  
Gross Transfers out of Level 3 (805) (427)  
Transfers into/(out of) Level 3     (1,842)
Balance December 31 3,689 6,908 7,770
Loans and leases [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance 3,321 [4],[5] 4,936 [4] 5,413 [4]
Consolidation of VIEs 5,194 [4],[5]    
Merrill Lynch Acquisition     2,452 [4]
Gains (Losses) Included in Earnings (55) [4],[5] (89) [4] 515 [4]
Gross Purchases 21 [4],[5]    
Gross Sales (2,644) [4],[5]    
Gross Issuances 3,118 [4],[5]    
Gross Settlements (1,830) [4],[5]    
Purchases, Issuances and Settlements   (1,526) [4] (3,718) [4]
Gross Transfers into Level 3 5 [4],[5]    
Gross Transfers out of Level 3 (4,386) [4],[5]    
Transfers into/(out of) Level 3     274 [4]
Balance December 31 2,744 [4],[5] 3,321 [4],[5] 4,936 [4]
Mortgage servicing rights [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance 14,900 [5] 19,465 12,733
Merrill Lynch Acquisition     209
Gains (Losses) Included in Earnings (5,661) [5] (4,321) 5,286
Gross Sales (896) [5]    
Gross Issuances 1,656 [5]    
Gross Settlements (2,621) [5]    
Purchases, Issuances and Settlements   (244) 1,237
Balance December 31 7,378 [5] 14,900 [5] 19,465
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)      
Beginning Balance 4,140 [4] 6,942 [4] 3,382 [4]
Merrill Lynch Acquisition     3,872 [4]
Gains (Losses) Included in Earnings 36 [4] 482 [4] 678 [4]
Gross Purchases 157 [4]    
Gross Sales (483) [4]    
Gross Settlements (961) [4]    
Purchases, Issuances and Settlements   (3,714) [4] (1,048) [4]
Gross Transfers into Level 3 565 [4] 624 [4]  
Gross Transfers out of Level 3 (67) [4] (194) [4]  
Transfers into/(out of) Level 3     58 [4]
Balance December 31 3,387 [4] 4,140 [4] 6,942 [4]
Other assets [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance 6,922 [6] 7,821 [7] 4,157 [7]
Merrill Lynch Acquisition     2,696 [7]
Gains (Losses) Included in Earnings 140 [6] 1,946 [7] 1,273 [7]
Gross Purchases 1,932 [6]    
Gross Sales (2,391) [6]    
Gross Settlements (768) [6]    
Purchases, Issuances and Settlements   (2,612) [7] (308) [7]
Gross Transfers into Level 3 375 [6]    
Gross Transfers out of Level 3 (1,975) [6] (299) [7]  
Transfers into/(out of) Level 3     3 [7]
Balance December 31 4,235 [6] 6,922 [6] 7,821 [7]
Trading Liabilities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance   (396)  
Gains (Losses) Included in Earnings   18 (38)
Purchases, Issuances and Settlements   (6) 4
Gross Transfers into Level 3   (52)  
Gross Transfers out of Level 3   (429)  
Transfers into/(out of) Level 3     (362)
Balance December 31   (7) (396)
Trading Liabilities [Member] | 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)      
Beginning Balance (7) (10)  
Gains (Losses) Included in Earnings 4 (5)   
Gross Purchases 133    
Gross Sales (189)    
Purchases, Issuances and Settlements   11 4
Gross Transfers into Level 3 (65) (52)  
Gross Transfers out of Level 3 (10) (49)  
Transfers into/(out of) Level 3     (14)
Balance December 31 (114) (7) (10)
Trading Liabilities [Member] | 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)      
Beginning Balance   (386)  
Gains (Losses) Included in Earnings   23 (38)
Purchases, Issuances and Settlements   (17)  
Gross Transfers out of Level 3   (380)  
Transfers into/(out of) Level 3     (348)
Balance December 31     (386)
Short-term Debt [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance (706) [4] (707) [4] (816) [4]
Gains (Losses) Included in Earnings (30) [4] (95) [4] (11) [4]
Gross Settlements 86 [4]    
Purchases, Issuances and Settlements   96 [4] 120 [4]
Gross Transfers out of Level 3 (650) [4]    
Balance December 31   (706) [4] (707) [4]
Accrued Liabilities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Beginning Balance (828) [4] (891) [4] (1,124) [4]
Merrill Lynch Acquisition     (1,337) [4]
Gains (Losses) Included in Earnings 61 [4] 146 [4] 1,396 [4]
Gross Sales (2) [4]    
Gross Issuances (9) [4]    
Gross Settlements 3 [4]    
Purchases, Issuances and Settlements   (83) [4] 174 [4]
Gross Transfers out of Level 3 (761) [4]    
Balance December 31 (14) [4] (828) [4] (891) [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)      
Beginning Balance (2,986) [4] (4,660) [4]  
Merrill Lynch Acquisition     (7,481) [4]
Gains (Losses) Included in Earnings (188) [4] 697 [4] (2,310) [4]
Gross Purchases 520 [4]    
Gross Sales (72) [4]    
Gross Issuances (520) [4]    
Gross Settlements 838 [4]    
Purchases, Issuances and Settlements   1,074 [4] 830 [4]
Gross Transfers into Level 3 (2,111) [4] (1,881) [4]  
Gross Transfers out of Level 3 (1,576) [4] (1,784) [4]  
Transfers into/(out of) Level 3     4,301 [4]
Balance December 31 (2,943) [4] (2,986) [4] (4,660) [4]
Reclass [Member] | 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 December 31   15,525  
Reclass [Member] | Equity Securities [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance December 31   623  
Reclass [Member] | Other assets [Member]
      
Reconciliation of all assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs Level(3)      
Balance December 31   $ 6,856 [7]  
[1] Net derivatives at December 31, 2011 include derivative assets of $14.4 billion and derivative liabilities of $8.5 billion.
[2] Net derivatives at December 31, 2009 include derivative assets of $23.0 billion and derivative liabilities of $15.2 billion.
[3] Net derivatives at December 31, 2010 include derivative assets of $18.8 billion and derivative liabilities of $11.0 billion.
[4] Amounts represent items that are accounted for under the fair value option.
[5] Issuances represent loan originations and mortgage servicing rights retained following securitizations or whole loan sales.
[6] Other assets is primarily comprised of net monoline exposure to a single counterparty and private equity investments.
[7] Other assets is primarily comprised of AFS marketable equity securities.