Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Accumulated Other Comprehensive Income (Loss) - Changes in OCI Components Pre- and After-tax (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
After- tax    
Comprehensive income $ 6,234 $ 10,523
Total other comprehensive income (loss)    
Pretax    
Net change (2,236) 8,975
Tax effect    
Net change 420 (2,462)
After- tax    
Comprehensive income (1,816) 6,513
Debt Securities    
Pretax    
Net increase (decrease) in fair value (1,110) 6,701
Net realized (gains) losses reclassified into earnings 0 (315)
Net change (1,110) 6,386
Tax effect    
Net increase in fair value 270 (1,670)
Net realized (gains) losses reclassified into earnings 0 79
Net change 270 (1,591)
After- tax    
Net increase (decrease) in fair value (840) 5,031
Net realized (gains) losses reclassified into earnings 0 (236)
Comprehensive income (840) 4,795
Debit Valuation Adjustments    
Pretax    
Net increase (decrease) in fair value 140 1,751
Net realized (gains) losses reclassified into earnings 6 4
Net change 146 1,755
Tax effect    
Net increase in fair value (29) (408)
Net realized (gains) losses reclassified into earnings (1) (1)
Net change (30) (409)
After- tax    
Net increase (decrease) in fair value 111 1,343
Net realized (gains) losses reclassified into earnings 5 3
Comprehensive income 116 1,346
Derivatives    
Pretax    
Net increase (decrease) in fair value (1,429) 520
Net realized (gains) losses reclassified into earnings (54) 29
Net change (1,483) 549
Tax effect    
Net increase in fair value 356 (125)
Net realized (gains) losses reclassified into earnings 13 (7)
Net change 369 (132)
After- tax    
Net increase (decrease) in fair value (1,073) 395
Net realized (gains) losses reclassified into earnings (41) 22
Comprehensive income (1,114) 417
Derivatives | Net interest income    
Pretax    
Net realized (gains) losses reclassified into earnings (42) 29
Tax effect    
Net realized (gains) losses reclassified into earnings 10 (7)
After- tax    
Net realized (gains) losses reclassified into earnings (32) 22
Derivatives | Compensation and benefits expense    
Pretax    
Net realized (gains) losses reclassified into earnings (12) 0
Tax effect    
Net realized (gains) losses reclassified into earnings 3 0
After- tax    
Net realized (gains) losses reclassified into earnings (9) 0
Employee Benefit Plans    
Pretax    
Net realized (gains) losses reclassified into earnings 67 57
Net change 67 57
Tax effect    
Net realized (gains) losses reclassified into earnings (16) (14)
Net change (16) (14)
After- tax    
Net realized (gains) losses reclassified into earnings 51 43
Comprehensive income 51 43
Foreign Currency    
Pretax    
Net increase (decrease) in fair value 144 228
Net change 144 228
Tax effect    
Net increase in fair value (173) (316)
Net change (173) (316)
After- tax    
Net increase (decrease) in fair value (29) (88)
Comprehensive income $ (29) $ (88)