Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Reconciliation (Details)

v3.7.0.1
Fair Value Measurements - Reconciliation (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]          
Balance, beginning $ (1,665) $ (315) $ (1,313) $ (441)  
Total Realized/Unrealized Gains/(Losses) (372) 84 (846) 487  
Gains (Losses) in OCI 0 0 0 0  
Purchases 208 110 408 199  
Sales (229) (444) (476) (619)  
Issuances 0 0 0 0  
Settlements 274 (123) 444 (111)  
Gross Transfers into Level 3 0 (8) 29 (124)  
Gross Transfers out of Level 3 (19) 48 (49) (39)  
Balance, ending (1,803) (648) (1,803) (648)  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held (368) (49) (773) 308  
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Gross derivative assets 510,400   510,400   $ 631,100
Gross derivative liabilities 514,600   514,600   628,300
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 (226) (345) (359) (335)  
Total Realized/Unrealized Gains/(Losses) (6) 32 (5) 29  
Gains (Losses) in OCI 0 0 0 0  
Purchases 0 0 0 0  
Sales 0 0 0 0  
Issuances (10) 0 (12) (14)  
Settlements 8 0 36 7  
Gross Transfers into Level 3 (58) 0 (58) 0  
Gross Transfers out of Level 3 157 0 263 0  
Balance, ending (135) (313) (135) (313)  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held (6) 31 (3) 29  
Corporate securities, trading loans and other          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning (35) (28) (27) (21)  
Total Realized/Unrealized Gains/(Losses) 10 1 12 2  
Gains (Losses) in OCI 0 0 0 0  
Purchases 4 1 4 1  
Sales 0 0 (10) (8)  
Issuances (1) 0 (1) 0  
Settlements 0 0 0 0  
Gross Transfers into Level 3 0 0 0 0  
Gross Transfers out of Level 3 0 0 0 0  
Balance, ending (22) (26) (22) (26)  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held (1) 1 (1) 1  
Short-term borrowings          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning       (30)  
Total Realized/Unrealized Gains/(Losses)       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   0  
Change in Unrealized Gains/(Losses) 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 (9) (9) (9) (9)  
Total Realized/Unrealized Gains/(Losses) 0 0 0 0  
Gains (Losses) in OCI 0 0 0 0  
Purchases 0 0 0 0  
Sales 0 0 0 0  
Issuances 0 0 0 0  
Settlements 0 0 0 0  
Gross Transfers into Level 3 0 0 0 0  
Gross Transfers out of Level 3 0 0 0 0  
Balance, ending (9) (9) (9) (9)  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0 0 0 0  
Long-term debt          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning (1,660) (1,814) (1,514) (1,513)  
Total Realized/Unrealized Gains/(Losses) 10 (79) (73) (170)  
Gains (Losses) in OCI (18) (11) (11) (18)  
Purchases 7 20 18 29  
Sales 0 0 0 0  
Issuances (20) (154) (150) (323)  
Settlements 124 77 283 133  
Gross Transfers into Level 3 (108) (359) (286) (545)  
Gross Transfers out of Level 3 19 164 87 251  
Balance, ending (1,646) (2,156) (1,646) (2,156)  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 10 (79) (38) (152)  
Level 3 | Recurring          
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]          
Balance, beginning     (1,313)    
Balance, ending (1,803)   (1,803)    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]          
Gross derivative assets 3,970 5,200 3,970 5,200 3,931
Gross derivative liabilities 5,773 5,800 5,773 5,800 $ 5,244
Corporate securities, trading loans and other          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 2,029 2,954 2,777 2,838  
Total Realized/Unrealized Gains/(Losses) 64 11 148 61  
Gains (Losses) in OCI 0 1 0 2  
Purchases 119 472 318 699  
Sales (120) (246) (600) (393)  
Issuances 0 0 0 0  
Settlements (108) (197) (235) (345)  
Gross Transfers into Level 3 143 72 218 230  
Gross Transfers out of Level 3 (350) (413) (849) (438)  
Balance, ending 1,777 2,654 1,777 2,654  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 30 (52) 57 (29)  
Equity securities          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 288 417 281 407  
Total Realized/Unrealized Gains/(Losses) 3 22 15 82  
Gains (Losses) in OCI 0 0 0 0  
Purchases 22 33 42 43  
Sales (47) (35) (64) (37)  
Issuances 0 0 0 0  
Settlements 0 (10) (10) (72)  
Gross Transfers into Level 3 30 29 102 33  
Gross Transfers out of Level 3 (67) (1) (137) (1)  
Balance, ending 229 455 229 455  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0 20 (1) 21  
Non-U.S. sovereign debt          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 527 572 510 521  
Total Realized/Unrealized Gains/(Losses) 12 50 31 92  
Gains (Losses) in OCI (16) 49 (6) 98  
Purchases 26 0 26 3  
Sales (50) 0 (59) (1)  
Issuances 0 0 0 0  
Settlements (62) (41) (68) (83)  
Gross Transfers into Level 3 69 0 72 0  
Gross Transfers out of Level 3 0 0 0 0  
Balance, ending 506 630 506 630  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 12 50 27 91  
Mortgage trading loans, ABS and other MBS          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 1,215 1,614 1,211 1,868  
Total Realized/Unrealized Gains/(Losses) 78 67 185 95  
Gains (Losses) in OCI (1) 0 (1) (2)  
Purchases 258 156 597 350  
Sales (314) (419) (689) (823)  
Issuances 0 0 0 0  
Settlements (69) (94) (123) (167)  
Gross Transfers into Level 3 76 45 104 76  
Gross Transfers out of Level 3 (11) (83) (52) (111)  
Balance, ending 1,232 1,286 1,232 1,286  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 53 41 117 48  
Trading Securities          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 4,059 5,557 4,779 5,634  
Total Realized/Unrealized Gains/(Losses) 157 150 379 330  
Gains (Losses) in OCI (17) 50 (7) 98  
Purchases 425 661 983 1,095  
Sales (531) (700) (1,412) (1,254)  
Issuances 0 0 0 0  
Settlements (239) (342) (436) (667)  
Gross Transfers into Level 3 318 146 496 339  
Gross Transfers out of Level 3 (428) (497) (1,038) (550)  
Balance, ending 3,744 5,025 3,744 5,025  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 95 59 200 131  
Non-agency residential MBS          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning   150   106  
Total Realized/Unrealized Gains/(Losses)   0   0  
Gains (Losses) in OCI   (2)   3  
Purchases   61   196  
Sales   0   (92)  
Issuances   0   0  
Settlements   (75)   (79)  
Gross Transfers into Level 3   0   0  
Gross Transfers out of Level 3   0   0  
Balance, ending   134   134  
Change in Unrealized Gains/(Losses) 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 207   229    
Total Realized/Unrealized Gains/(Losses) 1   1    
Gains (Losses) in OCI 9   12    
Purchases 22   42    
Sales 0   0    
Issuances 0   0    
Settlements (100)   (145)    
Gross Transfers into Level 3 0   0    
Gross Transfers out of Level 3 0   0    
Balance, ending 139   139    
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0   0    
Other taxable securities          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 579 739 594 757  
Total Realized/Unrealized Gains/(Losses) 0 1 3 2  
Gains (Losses) in OCI 1 (3) 5 (6)  
Purchases 5 0 5 0  
Sales 0 0 0 0  
Issuances 0 0 0 0  
Settlements (8) (20) (30) (36)  
Gross Transfers into Level 3 0 0 0 0  
Gross Transfers out of Level 3 (94) 0 (94) 0  
Balance, ending 483 717 483 717  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0 0 0 0  
Tax-exempt securities          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 520 562 542 569  
Total Realized/Unrealized Gains/(Losses) 0 0 0 0  
Gains (Losses) in OCI (2) (3) 0 (10)  
Purchases 0 0 0 1  
Sales 0 0 (56) 0  
Issuances 0 0 0 0  
Settlements 0 0 (3) (1)  
Gross Transfers into Level 3 0 0 35 0  
Gross Transfers out of Level 3 0 0 0 0  
Balance, ending 518 559 518 559  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0 0 0 0  
Available-for-sale Securities          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 1,306 1,451 1,365 1,432  
Total Realized/Unrealized Gains/(Losses) 1 1 4 2  
Gains (Losses) in OCI 8 (8) 17 (13)  
Purchases 27 61 47 197  
Sales 0 0 (56) (92)  
Issuances 0 0 0 0  
Settlements (108) (95) (178) (116)  
Gross Transfers into Level 3 0 0 35 0  
Gross Transfers out of Level 3 (94) 0 (94) 0  
Balance, ending 1,140 1,410 1,140 1,410  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0 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 24 29 25 30  
Total Realized/Unrealized Gains/(Losses) 0 (1) (1) (2)  
Gains (Losses) in OCI 0 0 0 0  
Purchases 0 0 0 0  
Sales 0 0 0 0  
Issuances 0 0 0 0  
Settlements (1) 0 (1) 0  
Gross Transfers into Level 3 0 0 0 0  
Gross Transfers out of Level 3 0 0 0 0  
Balance, ending 23 28 23 28  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 0 0 0 0  
Loans and leases          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 702 1,697 720 1,620  
Total Realized/Unrealized Gains/(Losses) 6 (47) 18 (4)  
Gains (Losses) in OCI 0 0 0 0  
Purchases 0 0 0 69  
Sales   0 0 0  
Issuances 0 25 0 50  
Settlements (34) (54) (64) (89)  
Gross Transfers into Level 3 0 1 0 6  
Gross Transfers out of Level 3 (7) (163) (7) (193)  
Balance, ending 667 1,459 667 1,459  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 6 (44) 16 5  
Mortgage servicing rights          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 2,610 2,631 2,747 3,087  
Total Realized/Unrealized Gains/(Losses) 13 (228) (14) (608)  
Gains (Losses) in OCI 0 0 0 0  
Purchases 0 0 0 0  
Sales 1 (1) 6 (2)  
Issuances 63 72 138 208  
Settlements (186) (205) (376) (416)  
Gross Transfers into Level 3 0 0 0 0  
Gross Transfers out of Level 3 0 0 0 0  
Balance, ending 2,501 2,269 2,501 2,269  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held (65) (282) (182) (719)  
Loans Held-for-Sale          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 792 660 656 787  
Total Realized/Unrealized Gains/(Losses) 42 11 71 84  
Gains (Losses) in OCI (9) 28 (3) 55  
Purchases 2 0 2 20  
Sales (19) (17) (155) (180)  
Issuances 0 0 0 0  
Settlements (128) (18) (188) (52)  
Gross Transfers into Level 3 100 26 415 39  
Gross Transfers out of Level 3 (14) 0 (32) (63)  
Balance, ending 766 690 766 690  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held 26 8 71 88  
Other assets          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 231 375 239 374  
Total Realized/Unrealized Gains/(Losses) (11) (13) (17) (38)  
Gains (Losses) in OCI 12 0 12 0  
Purchases 2 0 2 34  
Sales 0 0 0 0  
Issuances 0 0 0 0  
Settlements (4) (14) (6) (24)  
Gross Transfers into Level 3 64 0 64 2  
Gross Transfers out of Level 3 0 0 0 0  
Balance, ending 294 348 294 348  
Change in Unrealized Gains/(Losses) Related to Financial Instruments Still Held $ (6) $ (11) $ (12) $ (33)