Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Level 3 Reconciliation (Details)

v3.10.0.1
Fair Value Measurements - Level 3 Reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (Losses) in OCI $ (105)    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]      
Balance, beginning (1,714) $ (1,313) $ (441)
Total Realized/Unrealized Gains/(Losses) in Net Income 106 (984) 285
Gains (Losses) in OCI 0 0 0
Purchases 531 664 470
Sales (1,179) (979) (1,155)
Issuances 0 0 0
Settlements 778 949 76
Gross Transfers into Level 3 39 48 (186)
Gross Transfers out of Level 3 504 (99) (362)
Balance, ending (935) (1,714) (1,313)
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held (116) (409) (376)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Derivative assets, gross 328,800 351,600  
Derivative liabilities, gross 317,800 346,000  
Federal funds purchased and securities loaned or sold under agreements to repurchase      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 0 (359) (335)
Total Realized/Unrealized Gains/(Losses) in Net Income   (5) (11)
Gains (Losses) in OCI   0 0
Purchases   0 0
Sales   0 0
Issuances   (12) (22)
Settlements   171 27
Gross Transfers into Level 3   (58) (19)
Gross Transfers out of Level 3   263 1
Balance, ending   0 (359)
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held   0 4
Trading account liabilities – Corporate securities and other      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (24) (27) (21)
Total Realized/Unrealized Gains/(Losses) in Net Income 11 14 5
Gains (Losses) in OCI 0 0 0
Purchases 9 8 0
Sales (12) (17) (11)
Issuances (2) (2) 0
Settlements 0 0 0
Gross Transfers into Level 3 0 0 0
Gross Transfers out of Level 3 0 0 0
Balance, ending (18) (24) (27)
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held (7) 2 4
Short-term borrowings      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   0 (30)
Total Realized/Unrealized Gains/(Losses) in Net Income     1
Gains (Losses) in OCI     0
Purchases     0
Sales     0
Issuances     0
Settlements     29
Gross Transfers into Level 3     0
Gross Transfers out of Level 3     0
Balance, ending     0
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held     0
Accrued expenses and other liabilities      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (8) (9) (9)
Total Realized/Unrealized Gains/(Losses) in Net Income 0 0 0
Gains (Losses) in OCI 0 0 0
Purchases 0 0 0
Sales 0 0 0
Issuances 0 0 0
Settlements 8 1 0
Gross Transfers into Level 3 0 0 0
Gross Transfers out of Level 3 0 0 0
Balance, ending 0 (8) (9)
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0 0 0
Long-term debt      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (1,863) (1,514) (1,513)
Total Realized/Unrealized Gains/(Losses) in Net Income 103 (135) (74)
Gains (Losses) in OCI 4 (31) (20)
Purchases 9 84 140
Sales 0 0 0
Issuances (141) (288) (521)
Settlements 486 514 948
Gross Transfers into Level 3 (262) (711) (939)
Gross Transfers out of Level 3 847 218 465
Balance, ending (817) (1,863) (1,514)
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 95 (196) (184)
Level 3 | Recurring      
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Derivative assets, gross 3,466 4,067 3,900
Derivative liabilities, gross 4,401 5,781 5,200
Corporate securities, trading loans and other      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,864 2,777 2,838
Total Realized/Unrealized Gains/(Losses) in Net Income (32) 229 78
Gains (Losses) in OCI (1) 0 2
Purchases 436 547 1,508
Sales (403) (702) (847)
Issuances 5 5 0
Settlements (568) (666) (725)
Gross Transfers into Level 3 804 728 728
Gross Transfers out of Level 3 (547) (1,054) (805)
Balance, ending 1,558 1,864 2,777
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held (117) 2 (82)
Equity securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 235 281 407
Total Realized/Unrealized Gains/(Losses) in Net Income (17) 18 74
Gains (Losses) in OCI 0 0 0
Purchases 44 55 73
Sales (11) (70) (169)
Issuances 0 0 0
Settlements (4) (10) (82)
Gross Transfers into Level 3 78 146 70
Gross Transfers out of Level 3 (49) (185) (92)
Balance, ending 276 235 281
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held (22) (1) (59)
Non-U.S. sovereign debt      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 556 510 521
Total Realized/Unrealized Gains/(Losses) in Net Income 47 74 122
Gains (Losses) in OCI (44) (8) 91
Purchases 13 53 12
Sales (57) (59) (146)
Issuances 0 0 0
Settlements (30) (73) (90)
Gross Transfers into Level 3 117 72 0
Gross Transfers out of Level 3 (137) (13) 0
Balance, ending 465 556 510
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 48 70 120
Mortgage trading loans, ABS and other MBS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,498 1,211 1,868
Total Realized/Unrealized Gains/(Losses) in Net Income 148 165 188
Gains (Losses) in OCI 3 (2) (2)
Purchases 585 1,210 988
Sales (910) (990) (1,491)
Issuances 0 0 0
Settlements (158) (233) (344)
Gross Transfers into Level 3 705 218 158
Gross Transfers out of Level 3 (236) (81) (154)
Balance, ending 1,635 1,498 1,211
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 97 72 64
Trading account assets      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 4,153 4,779 5,634
Total Realized/Unrealized Gains/(Losses) in Net Income 146 486 462
Gains (Losses) in OCI (42) (10) 91
Purchases 1,078 1,865 2,581
Sales (1,381) (1,821) (2,653)
Issuances 5 5 0
Settlements (760) (982) (1,241)
Gross Transfers into Level 3 1,704 1,164 956
Gross Transfers out of Level 3 (969) (1,333) (1,051)
Balance, ending 3,934 4,153 4,779
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 6 143 43
Non-agency residential MBS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 0 0 106
Total Realized/Unrealized Gains/(Losses) in Net Income 27   0
Gains (Losses) in OCI (33)   0
Purchases 0   0
Sales (71)   (106)
Issuances 0   0
Settlements (25)   0
Gross Transfers into Level 3 774   0
Gross Transfers out of Level 3 (75)   0
Balance, ending 597 0 0
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0   0
Non-U.S. securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 25 229 0
Total Realized/Unrealized Gains/(Losses) in Net Income 0 2 0
Gains (Losses) in OCI (1) 16 (6)
Purchases 0 49 584
Sales (10) 0 (92)
Issuances 0 0 0
Settlements (15) (271) (263)
Gross Transfers into Level 3 3 0 6
Gross Transfers out of Level 3 0 0 0
Balance, ending 2 25 229
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0 0 0
Other taxable securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 509 594 757
Total Realized/Unrealized Gains/(Losses) in Net Income 1 4 4
Gains (Losses) in OCI (3) 8 (2)
Purchases 0 5 0
Sales (23) 0 0
Issuances 0 0 0
Settlements (11) (42) (83)
Gross Transfers into Level 3 60 34 0
Gross Transfers out of Level 3 (526) (94) (82)
Balance, ending 7 509 594
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0 0 0
Tax-exempt securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 469 542 569
Total Realized/Unrealized Gains/(Losses) in Net Income 0 1 0
Gains (Losses) in OCI 0 3 (1)
Purchases 0 14 1
Sales 0 (70) 0
Issuances 0 0 0
Settlements (1) (11) (2)
Gross Transfers into Level 3 1 35 10
Gross Transfers out of Level 3 (469) (45) (35)
Balance, ending 0 469 542
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0 0 0
Available-for-sale Securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,003 1,365 1,432
Total Realized/Unrealized Gains/(Losses) in Net Income 28 7 4
Gains (Losses) in OCI (37) 27 (9)
Purchases 0 68 585
Sales (104) (70) (198)
Issuances 0 0 0
Settlements (52) (324) (348)
Gross Transfers into Level 3 838 69 16
Gross Transfers out of Level 3 (1,070) (139) (117)
Balance, ending 606 1,003 1,365
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 0 0 0
Other debt securities carried at fair value – Non-agency residential MBS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 0 25 30
Total Realized/Unrealized Gains/(Losses) in Net Income (18) (1) (5)
Gains (Losses) in OCI 0 0 0
Purchases 0 0 0
Sales (8) (21) 0
Issuances 0 0 0
Settlements (34) (3) 0
Gross Transfers into Level 3 365 0 0
Gross Transfers out of Level 3 (133) 0 0
Balance, ending 172 0 25
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held (18) 0 0
Loans and leases      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 571 720 1,620
Total Realized/Unrealized Gains/(Losses) in Net Income (16) 15 (44)
Gains (Losses) in OCI 0 0 0
Purchases 0 3 69
Sales (134) (34) (553)
Issuances 0 0 50
Settlements (83) (126) (194)
Gross Transfers into Level 3 0 0 6
Gross Transfers out of Level 3 0 (7) (234)
Balance, ending 338 571 720
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held (9) 11 17
Loans held-for-sale      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 690 656 787
Total Realized/Unrealized Gains/(Losses) in Net Income 44 100 79
Gains (Losses) in OCI (26) (3) 50
Purchases 71 3 22
Sales 0 (189) (256)
Issuances 1 0 0
Settlements (201) (346) (93)
Gross Transfers into Level 3 23 501 173
Gross Transfers out of Level 3 (60) (32) (106)
Balance, ending 542 690 656
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held 31 14 70
Other assets      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 2,425 2,986 3,461
Total Realized/Unrealized Gains/(Losses) in Net Income 414 144 136
Gains (Losses) in OCI (38) (57) 0
Purchases 2 2 38
Sales (69) (214) (191)
Issuances 96 258 411
Settlements (792) (758) (872)
Gross Transfers into Level 3 929 64 3
Gross Transfers out of Level 3 (35) 0 0
Balance, ending 2,932 2,425 2,986
Change in Unrealized Gains/(Losses) In Net Income Related to Financial Instruments Still Held $ 149 $ (226) $ (143)