Quarterly report pursuant to Section 13 or 15(d)

Securities - AFS Debt Securities in a Continuous Unrealized Loss Position (Details)

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Securities - AFS Debt Securities in a Continuous Unrealized Loss Position (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Fair Value    
Less than Twelve Months $ 22,144 $ 72,233
Twelve Months or Longer 122,880 131,635
Total 145,024 203,868
Gross Unrealized Losses    
Less than Twelve Months (520) (1,815)
Twelve Months or Longer (3,491) (2,972)
Total (4,011) (4,787)
Mortgage-backed securities    
Fair Value    
Less than Twelve Months 11,707 23,461
Twelve Months or Longer 18,848 7,814
Total 30,555 31,275
Gross Unrealized Losses    
Less than Twelve Months (376) (1,429)
Twelve Months or Longer (1,839) (1,174)
Total (2,215) (2,603)
Agency    
Fair Value    
Less than Twelve Months 10,106 18,759
Twelve Months or Longer 12,900 4,437
Total 23,006 23,196
Gross Unrealized Losses    
Less than Twelve Months (323) (1,118)
Twelve Months or Longer (1,156) (649)
Total (1,479) (1,767)
Agency-collateralized mortgage obligations    
Fair Value    
Less than Twelve Months 130 1,165
Twelve Months or Longer 1,873 1,022
Total 2,003 2,187
Gross Unrealized Losses    
Less than Twelve Months (7) (96)
Twelve Months or Longer (193) (135)
Total (200) (231)
Commercial    
Fair Value    
Less than Twelve Months 1,411 3,273
Twelve Months or Longer 3,741 2,258
Total 5,152 5,531
Gross Unrealized Losses    
Less than Twelve Months (40) (150)
Twelve Months or Longer (441) (365)
Total (481) (515)
Non-agency residential    
Fair Value    
Less than Twelve Months 60 264
Twelve Months or Longer 334 97
Total 394 361
Gross Unrealized Losses    
Less than Twelve Months (6) (65)
Twelve Months or Longer (49) (25)
Total (55) (90)
U.S. Treasury and government agencies    
Fair Value    
Less than Twelve Months 2,230 36,730
Twelve Months or Longer 99,047 118,636
Total 101,277 155,366
Gross Unrealized Losses    
Less than Twelve Months (74) (308)
Twelve Months or Longer (1,364) (1,461)
Total (1,438) (1,769)
Non-U.S. securities    
Fair Value    
Less than Twelve Months 5,159 9,399
Twelve Months or Longer 646 756
Total 5,805 10,155
Gross Unrealized Losses    
Less than Twelve Months (28) (34)
Twelve Months or Longer (18) (18)
Total (46) (52)
Other taxable securities    
Fair Value    
Less than Twelve Months 2,265 2,036
Twelve Months or Longer 2,037 1,580
Total 4,302 3,616
Gross Unrealized Losses    
Less than Twelve Months (29) (16)
Twelve Months or Longer (56) (68)
Total (85) (84)
Tax-exempt securities    
Fair Value    
Less than Twelve Months 783 607
Twelve Months or Longer 2,302 2,849
Total 3,085 3,456
Gross Unrealized Losses    
Less than Twelve Months (13) (28)
Twelve Months or Longer (214) (251)
Total $ (227) $ (279)