Quarterly report [Sections 13 or 15(d)]

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

v3.25.3
Securities - AFS Debt Securities in a Continuous Unrealized Loss Position (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Fair Value    
Less than Twelve Months $ 74,366 $ 107,328
Twelve Months or Longer 135,829 103,346
Total 210,195 210,674
Gross Unrealized Losses    
Less than Twelve Months (115) (286)
Twelve Months or Longer (3,083) (3,574)
Total (3,198) (3,860)
Mortgage-backed securities    
Fair Value    
Less than Twelve Months 23,961 23,991
Twelve Months or Longer 27,149 26,405
Total 51,110 50,396
Gross Unrealized Losses    
Less than Twelve Months (63) (100)
Twelve Months or Longer (1,948) (2,287)
Total (2,011) (2,387)
Agency    
Fair Value    
Less than Twelve Months 8,797 2,908
Twelve Months or Longer 19,137 20,085
Total 27,934 22,993
Gross Unrealized Losses    
Less than Twelve Months (17) (22)
Twelve Months or Longer (1,366) (1,592)
Total (1,383) (1,614)
Agency-collateralized mortgage obligations    
Fair Value    
Less than Twelve Months 5,690 9,597
Twelve Months or Longer 2,037 1,493
Total 7,727 11,090
Gross Unrealized Losses    
Less than Twelve Months (9) (21)
Twelve Months or Longer (141) (197)
Total (150) (218)
Commercial    
Fair Value    
Less than Twelve Months 9,474 11,486
Twelve Months or Longer 5,821 4,667
Total 15,295 16,153
Gross Unrealized Losses    
Less than Twelve Months (37) (57)
Twelve Months or Longer (387) (446)
Total (424) (503)
Non-agency residential    
Fair Value    
Less than Twelve Months 0 0
Twelve Months or Longer 154 160
Total 154 160
Gross Unrealized Losses    
Less than Twelve Months 0 0
Twelve Months or Longer (54) (52)
Total (54) (52)
U.S. Treasury and government agencies    
Fair Value    
Less than Twelve Months 43,485 75,753
Twelve Months or Longer 102,604 69,027
Total 146,089 144,780
Gross Unrealized Losses    
Less than Twelve Months (47) (135)
Twelve Months or Longer (923) (1,018)
Total (970) (1,153)
Non-U.S. securities    
Fair Value    
Less than Twelve Months 5,704 3,367
Twelve Months or Longer 3,557 4,906
Total 9,261 8,273
Gross Unrealized Losses    
Less than Twelve Months (2) (26)
Twelve Months or Longer (11) (16)
Total (13) (42)
Other taxable securities    
Fair Value    
Less than Twelve Months 815 3,192
Twelve Months or Longer 918 814
Total 1,733 4,006
Gross Unrealized Losses    
Less than Twelve Months (3) (5)
Twelve Months or Longer (26) (40)
Total (29) (45)
Tax-exempt securities    
Fair Value    
Less than Twelve Months 401 1,025
Twelve Months or Longer 1,601 2,194
Total 2,002 3,219
Gross Unrealized Losses    
Less than Twelve Months 0 (20)
Twelve Months or Longer (175) (213)
Total $ (175) $ (233)