Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements - Level 3 Reconciliation (Details)

v3.26.1
Fair Value Measurements - Level 3 Reconciliation (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI $ (12) $ 33 $ 15 $ 62  
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]          
Balance, beginning (584) (1,530) (1,313) (1,961)  
Total realized and unrealized gains (losses) included in Net Income (1,885) 134 (808) 984  
Gains (losses) in OCI 0 0 0 0  
Purchases 691 506 1,039 752  
Sales (839) (547) (1,312) (924)  
Issuances 0 0 0 0  
Settlements 433 67 569 24  
Gross Transfers into Level 3  118 (18) (402) (272)  
Gross Transfers out of Level 3  305 201 466 210  
Balance, ending (1,761) (1,187) (1,761) (1,187)  
Change in unrealized gains (losses) in net income related to financial instruments still held $ (1,395) $ 64 (562) 785  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other income (loss), Market making and similar activities Other income (loss), Market making and similar activities      
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other income (loss), Market making and similar activities Other income (loss), Market making and similar activities      
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] Net change in debt securities, Net change in foreign currency translation adjustments, Net change in debit valuation adjustments Net change in debt securities, Net change in foreign currency translation adjustments, Net change in debit valuation adjustments      
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] Net change in debt securities, Net change in foreign currency translation adjustments, Net change in debit valuation adjustments Net change in debt securities, Net change in foreign currency translation adjustments, Net change in debit valuation adjustments      
Gains (losses) in OCI $ (12) $ 33 15 62  
Derivative assets 350,000   350,000   $ 292,200
Derivative liabilities 356,200   356,200   297,600
Total trading account assets          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 3,619 3,477 3,419 3,510  
Total realized and unrealized gains (losses) included in Net Income 65 101 142 284  
Gains (losses) in OCI 0 9 11 25  
Purchases 1,056 591 1,894 1,264  
Sales (569) (416) (1,132) (871)  
Issuances 4 15 33 23  
Settlements (387) (317) (701) (914)  
Gross Transfers into Level 3  471 447 879 788  
Gross Transfers out of Level 3  (150) (184) (436) (386)  
Balance, ending 4,109 3,723 4,109 3,723  
Change in unrealized gains (losses) in net income related to financial instruments still held 26 68 57 (6)  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 9 11 25  
Corporate securities, trading loans and other          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 2,069 1,913 1,922 1,814  
Total realized and unrealized gains (losses) included in Net Income 38 67 153 189  
Gains (losses) in OCI 0 1 4 2  
Purchases 904 503 1,513 1,017  
Sales (475) (325) (888) (671)  
Issuances 4 15 33 23  
Settlements (344) (232) (586) (536)  
Gross Transfers into Level 3  223 273 490 476  
Gross Transfers out of Level 3  (78) (63) (300) (162)  
Balance, ending 2,341 2,152 2,341 2,152  
Change in unrealized gains (losses) in net income related to financial instruments still held 14 29 97 (98)  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 1 4 2  
Equity securities          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 286 335 322 374  
Total realized and unrealized gains (losses) included in Net Income 12 39 0 48  
Gains (losses) in OCI 0 0 0 0  
Purchases 45 29 77 85  
Sales (6) (15) (46) (28)  
Issuances 0 0 0 0  
Settlements (17) 0 (17) (105)  
Gross Transfers into Level 3  2 62 14 107  
Gross Transfers out of Level 3  (5) (48) (33) (79)  
Balance, ending 317 402 317 402  
Change in unrealized gains (losses) in net income related to financial instruments still held (5) 39 (16) 39  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 0 0 0  
Non-U.S. sovereign debt          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 246 242 240 344  
Total realized and unrealized gains (losses) included in Net Income 10 17 7 66  
Gains (losses) in OCI 0 8 7 23  
Purchases 1 9 8 25  
Sales (4) 0 (7) 0  
Issuances 0 0 0 0  
Settlements (17) (10) (32) (181)  
Gross Transfers into Level 3  0 0 13 0  
Gross Transfers out of Level 3  0 (13) 0 (24)  
Balance, ending 236 253 236 253  
Change in unrealized gains (losses) in net income related to financial instruments still held 10 16 6 51  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 8 7 23  
Mortgage trading loans, MBS and ABS          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 1,018 987 935 978  
Total realized and unrealized gains (losses) included in Net Income 5 (22) (18) (19)  
Gains (losses) in OCI 0 0 0 0  
Purchases 106 50 296 137  
Sales (84) (76) (191) (172)  
Issuances 0 0 0 0  
Settlements (9) (75) (66) (92)  
Gross Transfers into Level 3  246 112 362 205  
Gross Transfers out of Level 3  (67) (60) (103) (121)  
Balance, ending 1,215 916 1,215 916  
Change in unrealized gains (losses) in net income related to financial instruments still held 7 (16) (30) 2  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 0 0 0  
Total AFS debt securities          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 87 1,010 353 611  
Total realized and unrealized gains (losses) included in Net Income 1 1 1 (1)  
Gains (losses) in OCI 0 (1) 0 1  
Purchases 6 12 29 743  
Sales 0 (1) 0 (1)  
Issuances 0 0 0 0  
Settlements (12) (5) (16) (97)  
Gross Transfers into Level 3  4 0 6 0  
Gross Transfers out of Level 3  (28) (147) (315) (387)  
Balance, ending 58 869 58 869  
Change in unrealized gains (losses) in net income related to financial instruments still held 0 1 0 (1)  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 (1) 0 1  
Non-agency residential MBS          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 0 7 9 247  
Total realized and unrealized gains (losses) included in Net Income 0 1 0 1  
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  4 0 4 0  
Gross Transfers out of Level 3  0 (5) (9) (245)  
Balance, ending 4 3 4 3  
Change in unrealized gains (losses) in net income related to financial instruments still held 0 1 0 1  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 0 0 0  
Commercial MBS          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 41 464 22 328  
Total realized and unrealized gains (losses) included in Net Income 0 0 0 (2)  
Gains (losses) in OCI 0 1 0 4  
Purchases 0 12 18 237  
Sales 0 0 0 0  
Issuances 0 0 0 0  
Settlements (2) (5) (3) (95)  
Gross Transfers into Level 3  0 0 2 0  
Gross Transfers out of Level 3  0 0 0 0  
Balance, ending 39 472 39 472  
Change in unrealized gains (losses) in net income related to financial instruments still held 0 0 0 (2)  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 1 0 4  
Non-U.S. and other taxable securities          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 46 539 322 36  
Total realized and unrealized gains (losses) included in Net Income 1 0 1 0  
Gains (losses) in OCI 0 (2) 0 (3)  
Purchases 6 0 11 506  
Sales 0 (1) 0 (1)  
Issuances 0 0 0 0  
Settlements (10) 0 (13) (2)  
Gross Transfers into Level 3  0 0 0 0  
Gross Transfers out of Level 3  (28) (142) (306) (142)  
Balance, ending 15 394 15 394  
Change in unrealized gains (losses) in net income related to financial instruments still held 0 0 0 0  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 (2) 0 (3)  
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 51 125 149  
Total realized and unrealized gains (losses) included in Net Income 1 11 1 13  
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 (1) 0 (2)  
Gross Transfers into Level 3  42 0 42 0  
Gross Transfers out of Level 3  0 (18) (125) (117)  
Balance, ending 43 43 43 43  
Change in unrealized gains (losses) in net income related to financial instruments still held (2) 11 (2) 13  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 0 0 0  
Loans and leases          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 70 125 76 82  
Total realized and unrealized gains (losses) included in Net Income 1 0 1 1  
Gains (losses) in OCI 0 0 0 0  
Purchases 0 0 0 0  
Sales 0 0 0 0  
Issuances 0 0 0 0  
Settlements (2) (25) (8) (27)  
Gross Transfers into Level 3  0 0 0 44  
Gross Transfers out of Level 3  (3) 0 (3) 0  
Balance, ending 66 100 66 100  
Change in unrealized gains (losses) in net income related to financial instruments still held 1 0 0 1  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 0 0 0  
Loans held-for-sale          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 54 123 55 132  
Total realized and unrealized gains (losses) included in Net Income (2) 14 (1) 27  
Gains (losses) in OCI 0 1 1 3  
Purchases 0 0 0 0  
Sales 0 0 0 (14)  
Issuances 0 0 0 0  
Settlements (15) (41) (20) (51)  
Gross Transfers into Level 3  0 0 2 0  
Gross Transfers out of Level 3  0 0 0 0  
Balance, ending 37 97 37 97  
Change in unrealized gains (losses) in net income related to financial instruments still held (3) 8 (4) (8)  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI 0 1 1 3  
Other assets          
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning 2,064 1,959 2,118 1,969  
Total realized and unrealized gains (losses) included in Net Income (3) (43) (33) (61)  
Gains (losses) in OCI (4) 21 (4) 29  
Purchases 84 59 99 91  
Sales 0 0 0 0  
Issuances 46 36 108 73  
Settlements (120) (90) (221) (159)  
Gross Transfers into Level 3  0 0 0 0  
Gross Transfers out of Level 3  0 0 0 0  
Balance, ending 2,067 1,942 2,067 1,942  
Change in unrealized gains (losses) in net income related to financial instruments still held (18) 32 (49) (2)  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Gains (losses) in OCI (4) 21 (4) 29  
Trading account liabilities – Equity securities          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning (18) (5) (14) (10)  
Total realized and unrealized gains (losses) included in Net Income (5) (2) (5) 1  
Gains (losses) in OCI 0 0 0 0  
Purchases 4 0 8 3  
Sales 0 0 (3) 0  
Issuances 0 0 0 0  
Settlements 0 0 0 0  
Gross Transfers into Level 3  0 0 (5) (3)  
Gross Transfers out of Level 3  0 0 0 2  
Balance, ending (19) (7) (19) (7)  
Change in unrealized gains (losses) in net income related to financial instruments still held (5) (2) (4) (1)  
Trading account liabilities – Corporate securities and other          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning (92) (148) (119) (110)  
Total realized and unrealized gains (losses) included in Net Income 2 51 (2) 18  
Gains (losses) in OCI 0 0 0 0  
Purchases (13) 8 (14) 7  
Sales 3 (11) 3 (15)  
Issuances (1) 0 (2) 0  
Settlements 3 11 33 21  
Gross Transfers into Level 3  (11) (1) (12) (12)  
Gross Transfers out of Level 3  3 0 7 1  
Balance, ending (106) (90) (106) (90)  
Change in unrealized gains (losses) in net income related to financial instruments still held 2 39 (5) 15  
Short-term borrowings          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning (10)   (40)    
Total realized and unrealized gains (losses) included in Net Income 7   40    
Gains (losses) in OCI 0   0    
Purchases 0   0    
Sales 0   0    
Issuances 0   (5)    
Settlements 0   2    
Gross Transfers into Level 3  0   0    
Gross Transfers out of Level 3  0   0    
Balance, ending (3)   (3)    
Change in unrealized gains (losses) in net income related to financial instruments still held 1   (16)    
Accrued expenses and other liabilities          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning (52) (94) (28) (89)  
Total realized and unrealized gains (losses) included in Net Income (60) (55) (113) (62)  
Gains (losses) in OCI 0 0 0 0  
Purchases 0 144 0 146  
Sales 0 0 0 0  
Issuances 0 0 0 0  
Settlements 37 (1) 62 (1)  
Gross Transfers into Level 3  0 0 0 0  
Gross Transfers out of Level 3  0 0 4 0  
Balance, ending (75) (6) (75) (6)  
Change in unrealized gains (losses) in net income related to financial instruments still held (60) (55) (113) (76)  
Long-term debt          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Balance, beginning (571) (443) (481) (553)  
Total realized and unrealized gains (losses) included in Net Income (21) (33) (87) (56)  
Gains (losses) in OCI (8) 2 8 12  
Purchases 0 0 0 0  
Sales 0 0 0 0  
Issuances (13) 0 (58) 0  
Settlements 21 3 26 126  
Gross Transfers into Level 3  0 0 0 0  
Gross Transfers out of Level 3  0 0 0 0  
Balance, ending (592) (471) (592) (471)  
Change in unrealized gains (losses) in net income related to financial instruments still held (21) (33) (87) (48)  
Level 3 | Recurring          
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]          
Derivative assets 4,631 4,200 4,631 4,200 3,802
Derivative liabilities $ 6,392 $ 5,400 $ 6,392 $ 5,400 $ 5,115