Annual report [Section 13 and 15(d), not S-K Item 405]

Fair Value Measurements - Level 3 Reconciliation (Details)

v3.25.0.1
Fair Value Measurements - Level 3 Reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI $ (104) $ (324) $ 28
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]      
Balance, beginning (2,494) (2,893) (2,662)
Total realized and unrealized gains (losses) included in Net Income 1,035 179 551
Gains (losses) in OCI 0 (375) 0
Purchases 1,104 1,318 319
Sales (1,338) (1,281) (830)
Issuances 0 0 0
Settlements (576) (1,575) 294
Gross Transfers into Level 3  (696) (8) (180)
Gross Transfers out of Level 3  1,004 2,141 (385)
Balance, ending (1,961) (2,494) (2,893)
Change in unrealized gains (losses) in net income related to financial instruments still held $ (132) $ (857) $ 259
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 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 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 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 Net change in debt securities, Net change in foreign currency translation adjustments, Net change in debit valuation adjustments
Gains (losses) in OCI $ (104) $ (324) $ 28
Derivative assets 308,100 290,300  
Derivative liabilities 305,700 301,200  
Level 3 | Recurring      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Derivative assets 3,562 3,422 3,200
Derivative liabilities 5,523 5,916 6,100
Trading account liabilities – Equity securities      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (12) 0  
Total realized and unrealized gains (losses) included in Net Income 9 1  
Gains (losses) in OCI 0 0  
Purchases 0 0  
Sales (4) 0  
Issuances 0 0  
Settlements 7 2  
Gross Transfers into Level 3  (21) (15)  
Gross Transfers out of Level 3  11 0  
Balance, ending (10) (12) 0
Change in unrealized gains (losses) in net income related to financial instruments still held 6 1  
Trading account liabilities – Corporate securities and other      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (39) (58) (11)
Total realized and unrealized gains (losses) included in Net Income (55) (3) 5
Gains (losses) in OCI 0 0 0
Purchases (7) (3) (4)
Sales (15) (1) 0
Issuances (3) (1) 0
Settlements 26 24 (2)
Gross Transfers into Level 3  (17) (35) (46)
Gross Transfers out of Level 3  0 38 0
Balance, ending (110) (39) (58)
Change in unrealized gains (losses) in net income related to financial instruments still held (69) (9) 1
Short-term borrowings      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (10) (14) 0
Total realized and unrealized gains (losses) included in Net Income 1 1 3
Gains (losses) in OCI 0 0 0
Purchases 0 0 0
Sales 0 (13) (17)
Issuances (9) (8) 0
Settlements 18 24 0
Gross Transfers into Level 3  0 0 (3)
Gross Transfers out of Level 3  0 0 3
Balance, ending 0 (10) (14)
Change in unrealized gains (losses) in net income related to financial instruments still held 0 (1) 2
Accrued expenses and other liabilities      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (21) (32) 0
Total realized and unrealized gains (losses) included in Net Income (234) 21 (23)
Gains (losses) in OCI 0 0 0
Purchases 165 (11) (9)
Sales 0 0 0
Issuances 0 0 0
Settlements 1 0 0
Gross Transfers into Level 3  0 0 0
Gross Transfers out of Level 3  0 1 0
Balance, ending (89) (21) (32)
Change in unrealized gains (losses) in net income related to financial instruments still held (224) 4 (7)
Long-term debt      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (614) (862) (1,075)
Total realized and unrealized gains (losses) included in Net Income 64 179 (197)
Gains (losses) in OCI (25) (26) 82
Purchases 0 (9) 0
Sales 0 50 14
Issuances 0 0 (1)
Settlements 23 47 57
Gross Transfers into Level 3  (1) 0 (24)
Gross Transfers out of Level 3  0 7 282
Balance, ending (553) (614) (862)
Change in unrealized gains (losses) in net income related to financial instruments still held 65 183 (200)
Federal funds sold and securities borrowed or purchased under agreements to resell      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 0 0  
Total realized and unrealized gains (losses) included in Net Income   0  
Gains (losses) in OCI   0  
Purchases   0  
Sales   0  
Issuances   0  
Settlements   0  
Gross Transfers into Level 3    7  
Gross Transfers out of Level 3    (7)  
Balance, ending   0 0
Change in unrealized gains (losses) in net income related to financial instruments still held   0  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI   0  
Total trading account assets      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 3,489 4,599 4,223
Total realized and unrealized gains (losses) included in Net Income (15) 206 (250)
Gains (losses) in OCI (63) 32 14
Purchases 1,885 819 1,897
Sales (1,611) (733) (1,078)
Issuances 44 20 0
Settlements (1,362) (1,590) (790)
Gross Transfers into Level 3  1,575 974 1,672
Gross Transfers out of Level 3  (432) (838) (1,089)
Balance, ending 3,510 3,489 4,599
Change in unrealized gains (losses) in net income related to financial instruments still held 140 44 (180)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI (63) 32 14
Corporate securities, trading loans and other      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,689 2,384 2,110
Total realized and unrealized gains (losses) included in Net Income 87 144 (52)
Gains (losses) in OCI (6) 2 (2)
Purchases 1,128 453 1,069
Sales (913) (241) (384)
Issuances 44 20 0
Settlements (1,158) (1,029) (606)
Gross Transfers into Level 3  1,125 385 1,023
Gross Transfers out of Level 3  (182) (429) (774)
Balance, ending 1,814 1,689 2,384
Change in unrealized gains (losses) in net income related to financial instruments still held 324 50 (78)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI (6) 2 (2)
Equity securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 187 145 190
Total realized and unrealized gains (losses) included in Net Income 50 44 (3)
Gains (losses) in OCI 0 0 0
Purchases 255 39 45
Sales (65) (52) (25)
Issuances 0 0 0
Settlements (62) (61) (4)
Gross Transfers into Level 3  62 153 38
Gross Transfers out of Level 3  (53) (81) (96)
Balance, ending 374 187 145
Change in unrealized gains (losses) in net income related to financial instruments still held (12) (5) (6)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI 0 0 0
Non-U.S. sovereign debt      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 396 518 396
Total realized and unrealized gains (losses) included in Net Income (1) 68 59
Gains (losses) in OCI (57) 30 16
Purchases 82 64 54
Sales (16) (23) (4)
Issuances 0 0 0
Settlements (79) (259) (68)
Gross Transfers into Level 3  19 0 75
Gross Transfers out of Level 3  0 (2) (10)
Balance, ending 344 396 518
Change in unrealized gains (losses) in net income related to financial instruments still held 0 70 56
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI (57) 30 16
Mortgage trading loans, MBS and ABS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,217 1,552 1,527
Total realized and unrealized gains (losses) included in Net Income (151) (50) (254)
Gains (losses) in OCI 0 0 0
Purchases 420 263 729
Sales (617) (417) (665)
Issuances 0 0 0
Settlements (63) (241) (112)
Gross Transfers into Level 3  369 436 536
Gross Transfers out of Level 3  (197) (326) (209)
Balance, ending 978 1,217 1,552
Change in unrealized gains (losses) in net income related to financial instruments still held (172) (71) (152)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI 0 0 0
Total AFS debt securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 376 504 439
Total realized and unrealized gains (losses) included in Net Income (1) 12 10
Gains (losses) in OCI 58 30 (44)
Purchases 338 0 126
Sales 0 0 (8)
Issuances 0 0 0
Settlements (221) (167) (100)
Gross Transfers into Level 3  198 4 385
Gross Transfers out of Level 3  (137) (7) (304)
Balance, ending 611 376 504
Change in unrealized gains (losses) in net income related to financial instruments still held (1) 4 1
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI 58 30 (44)
Non-agency residential MBS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 273 258 316
Total realized and unrealized gains (losses) included in Net Income 8 1 0
Gains (losses) in OCI 57 23 (35)
Purchases 0 0 0
Sales 0 0 (8)
Issuances 0 0 0
Settlements (152) (9) (75)
Gross Transfers into Level 3  191 0 73
Gross Transfers out of Level 3  (130) 0 (13)
Balance, ending 247 273 258
Change in unrealized gains (losses) in net income related to financial instruments still held 6 2 0
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI 57 23 (35)
Commercial MBS      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 0    
Total realized and unrealized gains (losses) included in Net Income (8)    
Gains (losses) in OCI 1    
Purchases 338    
Sales 0    
Issuances 0    
Settlements (3)    
Gross Transfers into Level 3  0    
Gross Transfers out of Level 3  0    
Balance, ending 328 0  
Change in unrealized gains (losses) in net income related to financial instruments still held (8)    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI 1    
Non-U.S. and other taxable securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 103 195 71
Total realized and unrealized gains (losses) included in Net Income (1) 10 10
Gains (losses) in OCI 0 7 (10)
Purchases 0 0 126
Sales 0 0 0
Issuances 0 0 0
Settlements (66) (106) (22)
Gross Transfers into Level 3  7 4 311
Gross Transfers out of Level 3  (7) (7) (291)
Balance, ending 36 103 195
Change in unrealized gains (losses) in net income related to financial instruments still held 1 2 1
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI 0 7 (10)
Tax-exempt securities      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 0 51 52
Total realized and unrealized gains (losses) included in Net Income   1 0
Gains (losses) in OCI   0 1
Purchases   0 0
Sales   0 0
Issuances   0 0
Settlements   (52) (3)
Gross Transfers into Level 3    0 1
Gross Transfers out of Level 3    0 0
Balance, ending   0 51
Change in unrealized gains (losses) in net income related to financial instruments still held   0 0
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI   0 1
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 69 119 242
Total realized and unrealized gains (losses) included in Net Income 5 (4) (19)
Gains (losses) in OCI 0 0 0
Purchases 0 0 0
Sales 0 (19) 0
Issuances 0 0 0
Settlements (27) (6) (111)
Gross Transfers into Level 3  118 0 30
Gross Transfers out of Level 3  (16) (21) (23)
Balance, ending 149 69 119
Change in unrealized gains (losses) in net income related to financial instruments still held (1) (3) 14
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI 0 0 0
Loans and leases      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 93 253 748
Total realized and unrealized gains (losses) included in Net Income 1 (9) (45)
Gains (losses) in OCI 0 0 0
Purchases 0 9 0
Sales 0 (54) (154)
Issuances 1 0 82
Settlements (13) (100) (129)
Gross Transfers into Level 3  0 16 0
Gross Transfers out of Level 3  0 (22) (249)
Balance, ending 82 93 253
Change in unrealized gains (losses) in net income related to financial instruments still held 0 (13) (21)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI 0 0 0
Loans held-for-sale      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 164 232 317
Total realized and unrealized gains (losses) included in Net Income (6) 24 9
Gains (losses) in OCI (7) 3 4
Purchases 25 0 171
Sales 0 (25) (6)
Issuances 1 0 0
Settlements (45) (70) (271)
Gross Transfers into Level 3  0 0 8
Gross Transfers out of Level 3  0 0 0
Balance, ending 132 164 232
Change in unrealized gains (losses) in net income related to financial instruments still held (15) 13 19
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI (7) 3 4
Other assets      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,657 1,799 1,572
Total realized and unrealized gains (losses) included in Net Income 279 211 305
Gains (losses) in OCI (52) 10 (21)
Purchases 272 176 39
Sales (6) (326) (35)
Issuances 139 104 208
Settlements (321) (319) (271)
Gross Transfers into Level 3  1 2 5
Gross Transfers out of Level 3  0 0 (3)
Balance, ending 1,969 1,657 1,799
Change in unrealized gains (losses) in net income related to financial instruments still held 47 74 213
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gains (losses) in OCI $ (52) $ 10 $ (21)