Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.3
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, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
After- tax        
Comprehensive income (loss) $ 6,752 $ 2,729 $ 22,735 $ 4,473
Total other comprehensive income (loss)        
Pretax        
Net change     (812) (20,404)
Tax effect        
Net change     176 4,481
After- tax        
Comprehensive income (loss)     (636) (15,923)
Debt Securities        
Pretax        
Net increase (decrease) in fair value     (306) (8,417)
Net realized (gains) losses reclassified into earnings     404 (37)
Net change     98 (8,454)
Tax effect        
Net increase (decrease) in fair value     84 2,064
Net realized (gains) losses reclassified into earnings     (101) 9
Net change     (17) 2,073
After- tax        
Net increase (decrease) in fair value     (222) (6,353)
Net realized (gains) losses reclassified into earnings     303 (28)
Comprehensive income (loss)     81 (6,381)
Debit Valuation Adjustments        
Pretax        
Net increase (decrease) in fair value     (560) 1,698
Net realized (gains) losses reclassified into earnings     7 14
Net change     (553) 1,712
Tax effect        
Net increase (decrease) in fair value     136 (411)
Net realized (gains) losses reclassified into earnings     (2) (3)
Net change     134 (414)
After- tax        
Net increase (decrease) in fair value     (424) 1,287
Net realized (gains) losses reclassified into earnings     5 11
Comprehensive income (loss)     (419) 1,298
Derivatives        
Pretax        
Net increase (decrease) in fair value     (1,027) (14,681)
Net realized (gains) losses reclassified into earnings     598 158
Net change     (429) (14,523)
Tax effect        
Net increase (decrease) in fair value     261 3,673
Net realized (gains) losses reclassified into earnings     (149) (40)
Net change     112 3,633
After- tax        
Net increase (decrease) in fair value     (766) (11,008)
Net realized (gains) losses reclassified into earnings     449 118
Comprehensive income (loss)     (317) (10,890)
Derivatives | Net interest income        
Pretax        
Net realized (gains) losses reclassified into earnings     616 182
Tax effect        
Net realized (gains) losses reclassified into earnings     (153) (46)
After- tax        
Net realized (gains) losses reclassified into earnings     463 136
Derivatives | Compensation and benefits expense        
Pretax        
Net realized (gains) losses reclassified into earnings     (18) (24)
Tax effect        
Net realized (gains) losses reclassified into earnings     4 6
After- tax        
Net realized (gains) losses reclassified into earnings     (14) (18)
Employee Benefit Plans        
Pretax        
Net realized (gains) losses reclassified into earnings     36 135
Net change     36 135
Tax effect        
Net realized (gains) losses reclassified into earnings     (11) (38)
Net change     (11) (38)
After- tax        
Net realized (gains) losses reclassified into earnings     25 97
Comprehensive income (loss)     25 97
Foreign Currency        
Pretax        
Net increase (decrease) in fair value     80 726
Net realized (gains) losses reclassified into earnings     (44) 0
Net change     36 726
Tax effect        
Net increase (decrease) in fair value     (75) (774)
Net realized (gains) losses reclassified into earnings     33 1
Net change     (42) (773)
After- tax        
Net increase (decrease) in fair value     5 (48)
Net realized (gains) losses reclassified into earnings     (11) 1
Comprehensive income (loss)     $ (6) $ (47)