Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Loss) - Changes in OCI Components Pre- and After-tax (Details)

v3.24.3
Accumulated Other Comprehensive Income (Loss) - Changes in OCI Components Pre- and After-tax (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
After- tax        
Comprehensive income (loss) $ 10,191 $ 6,752 $ 23,921 $ 22,735
Total other comprehensive income (loss)        
Pretax        
Net change     4,715 (812)
Tax effect        
Net change     (1,261) 176
After- tax        
Comprehensive income (loss)     3,454 (636)
Debt Securities        
Pretax        
Net increase (decrease) in fair value     581 (306)
Net realized (gains) losses reclassified into earnings     6 404
Net change     587 98
Tax effect        
Net increase (decrease) in fair value     (142) 84
Net realized (gains) losses reclassified into earnings     (1) (101)
Net change     (143) (17)
After- tax        
Net increase (decrease) in fair value     439 (222)
Net realized (gains) losses reclassified into earnings     5 303
Comprehensive income (loss)     444 81
Debit Valuation Adjustments        
Pretax        
Net increase (decrease) in fair value     (191) (560)
Net realized (gains) losses reclassified into earnings     12 7
Net change     (179) (553)
Tax effect        
Net increase (decrease) in fair value     48 136
Net realized (gains) losses reclassified into earnings     (4) (2)
Net change     44 134
After- tax        
Net increase (decrease) in fair value     (143) (424)
Net realized (gains) losses reclassified into earnings     8 5
Comprehensive income (loss)     (135) (419)
Derivatives        
Pretax        
Net increase (decrease) in fair value     1,851 (1,027)
Net realized (gains) losses reclassified into earnings     2,284 598
Net change     4,135 (429)
Tax effect        
Net increase (decrease) in fair value     (464) 261
Net realized (gains) losses reclassified into earnings     (571) (149)
Net change     (1,035) 112
After- tax        
Net increase (decrease) in fair value     1,387 (766)
Net realized (gains) losses reclassified into earnings     1,713 449
Comprehensive income (loss)     3,100 (317)
Derivatives | Net interest income        
Pretax        
Net realized (gains) losses reclassified into earnings     2,163 616
Tax effect        
Net realized (gains) losses reclassified into earnings     (542) (153)
After- tax        
Net realized (gains) losses reclassified into earnings     1,621 463
Derivatives | Market making and similar activities        
Pretax        
Net realized (gains) losses reclassified into earnings     146 0
Tax effect        
Net realized (gains) losses reclassified into earnings     (35) 0
After- tax        
Net realized (gains) losses reclassified into earnings     111 0
Derivatives | Compensation and benefits expense        
Pretax        
Net realized (gains) losses reclassified into earnings     (25) (18)
Tax effect        
Net realized (gains) losses reclassified into earnings     6 4
After- tax        
Net realized (gains) losses reclassified into earnings     (19) (14)
Employee Benefit Plans        
Pretax        
Net realized (gains) losses reclassified into earnings     98 36
Net change     98 36
Tax effect        
Net realized (gains) losses reclassified into earnings     (23) (11)
Net change     (23) (11)
After- tax        
Net realized (gains) losses reclassified into earnings     75 25
Comprehensive income (loss)     75 25
Foreign Currency        
Pretax        
Net increase (decrease) in fair value     33 80
Net realized (gains) losses reclassified into earnings     41 (44)
Net change     74 36
Tax effect        
Net increase (decrease) in fair value     (70) (75)
Net realized (gains) losses reclassified into earnings     (34) 33
Net change     (104) (42)
After- tax        
Net increase (decrease) in fair value     (37) 5
Net realized (gains) losses reclassified into earnings     7 (11)
Comprehensive income (loss)     $ (30) $ (6)