Quarterly report [Sections 13 or 15(d)]

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

v3.26.1
Accumulated Other Comprehensive Income (Loss) - Changes in OCI Components Pre- and After-tax (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
After- tax    
Comprehensive income $ 8,132 $ 9,374
Total other comprehensive income (loss)    
Pretax    
Net change (490) 2,446
Tax effect    
Net change 38 (432)
After- tax    
Comprehensive income (452) 2,014
Debt Securities    
Pretax    
Net increase (decrease) in fair value (686) 481
Net realized (gains) losses reclassified into earnings (3) 2
Net change (689) 483
Tax effect    
Net increase (decrease) in fair value 159 (117)
Net realized (gains) losses reclassified into earnings 1 0
Net change 160 (117)
After- tax    
Net increase (decrease) in fair value (527) 364
Net realized (gains) losses reclassified into earnings (2) 2
Comprehensive income (529) 366
Debit Valuation Adjustments    
Pretax    
Net increase (decrease) in fair value 874 393
Net change 874 393
Tax effect    
Net increase (decrease) in fair value (214) (96)
Net change (214) (96)
After- tax    
Net increase (decrease) in fair value 660 297
Comprehensive income 660 297
Derivatives    
Pretax    
Net increase (decrease) in fair value (1,197) 1,361
Net realized (gains) losses reclassified into earnings 374 390
Net change (823) 1,751
Tax effect    
Net increase (decrease) in fair value 286 (340)
Net realized (gains) losses reclassified into earnings (90) (98)
Net change 196 (438)
After- tax    
Net increase (decrease) in fair value (911) 1,021
Net realized (gains) losses reclassified into earnings 284 292
Comprehensive income (627) 1,313
Derivatives | Net interest income    
Pretax    
Net realized (gains) losses reclassified into earnings 379 397
Tax effect    
Net realized (gains) losses reclassified into earnings (91) (100)
After- tax    
Net realized (gains) losses reclassified into earnings 288 297
Derivatives | Compensation and benefits expense    
Pretax    
Net realized (gains) losses reclassified into earnings (5) (7)
Tax effect    
Net realized (gains) losses reclassified into earnings 1 2
After- tax    
Net realized (gains) losses reclassified into earnings (4) (5)
Employee Benefit Plans    
Pretax    
Net realized (gains) losses reclassified into earnings 47 35
Net change 47 35
Tax effect    
Net realized (gains) losses reclassified into earnings (12) (8)
Net change (12) (8)
After- tax    
Net realized (gains) losses reclassified into earnings 35 27
Comprehensive income 35 27
Foreign Currency    
Pretax    
Net increase (decrease) in fair value 103 (216)
Net realized (gains) losses reclassified into earnings (2) 0
Net change 101 (216)
Tax effect    
Net increase (decrease) in fair value (91) 227
Net realized (gains) losses reclassified into earnings (1) 0
Net change (92) 227
After- tax    
Net increase (decrease) in fair value 12 11
Net realized (gains) losses reclassified into earnings (3) 0
Comprehensive income $ 9 $ 11