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
Jun. 30, 2023
Dec. 31, 2022
Fair Value    
Less than Twelve Months $ 20,277 $ 72,233
Twelve Months or Longer 92,789 131,635
Total 113,066 203,868
Gross Unrealized Losses    
Less than Twelve Months (463) (1,815)
Twelve Months or Longer (3,295) (2,972)
Total (3,758) (4,787)
Mortgage-backed securities    
Fair Value    
Less than Twelve Months 8,341 23,461
Twelve Months or Longer 21,058 7,814
Total 29,399 31,275
Gross Unrealized Losses    
Less than Twelve Months (294) (1,429)
Twelve Months or Longer (1,975) (1,174)
Total (2,269) (2,603)
Agency    
Fair Value    
Less than Twelve Months 7,176 18,759
Twelve Months or Longer 14,675 4,437
Total 21,851 23,196
Gross Unrealized Losses    
Less than Twelve Months (256) (1,118)
Twelve Months or Longer (1,213) (649)
Total (1,469) (1,767)
Agency-collateralized mortgage obligations    
Fair Value    
Less than Twelve Months 92 1,165
Twelve Months or Longer 1,709 1,022
Total 1,801 2,187
Gross Unrealized Losses    
Less than Twelve Months (9) (96)
Twelve Months or Longer (221) (135)
Total (230) (231)
Commercial    
Fair Value    
Less than Twelve Months 1,073 3,273
Twelve Months or Longer 4,287 2,258
Total 5,360 5,531
Gross Unrealized Losses    
Less than Twelve Months (29) (150)
Twelve Months or Longer (482) (365)
Total (511) (515)
Non-agency residential    
Fair Value    
Less than Twelve Months 0 264
Twelve Months or Longer 387 97
Total 387 361
Gross Unrealized Losses    
Less than Twelve Months 0 (65)
Twelve Months or Longer (59) (25)
Total (59) (90)
U.S. Treasury and government agencies    
Fair Value    
Less than Twelve Months 2,047 36,730
Twelve Months or Longer 66,308 118,636
Total 68,355 155,366
Gross Unrealized Losses    
Less than Twelve Months (96) (308)
Twelve Months or Longer (969) (1,461)
Total (1,065) (1,769)
Non-U.S. securities    
Fair Value    
Less than Twelve Months 6,906 9,399
Twelve Months or Longer 1,319 756
Total 8,225 10,155
Gross Unrealized Losses    
Less than Twelve Months (40) (34)
Twelve Months or Longer (30) (18)
Total (70) (52)
Other taxable securities    
Fair Value    
Less than Twelve Months 2,312 2,036
Twelve Months or Longer 1,205 1,580
Total 3,517 3,616
Gross Unrealized Losses    
Less than Twelve Months (27) (16)
Twelve Months or Longer (59) (68)
Total (86) (84)
Tax-exempt securities    
Fair Value    
Less than Twelve Months 671 607
Twelve Months or Longer 2,899 2,849
Total 3,570 3,456
Gross Unrealized Losses    
Less than Twelve Months (6) (28)
Twelve Months or Longer (262) (251)
Total $ (268) $ (279)