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, 2022
Dec. 31, 2021
Fair Value    
Less than Twelve Months $ 173,958 $ 120,661
Twelve Months or Longer 20,524 6,928
Total 194,482 127,589
Gross Unrealized Losses    
Less than Twelve Months (2,713) (530)
Twelve Months or Longer (512) (153)
Total (3,225) (683)
Mortgage-backed securities    
Fair Value    
Less than Twelve Months 30,684 16,852
Twelve Months or Longer 1,894 1,887
Total 32,578 18,739
Gross Unrealized Losses    
Less than Twelve Months (1,393) (242)
Twelve Months or Longer (163) (81)
Total (1,556) (323)
Agency    
Fair Value    
Less than Twelve Months 20,605 11,733
Twelve Months or Longer 929 815
Total 21,534 12,548
Gross Unrealized Losses    
Less than Twelve Months (908) (166)
Twelve Months or Longer (57) (20)
Total (965) (186)
Agency-collateralized mortgage obligations    
Fair Value    
Less than Twelve Months 2,237 1,427
Twelve Months or Longer 79 122
Total 2,316 1,549
Gross Unrealized Losses    
Less than Twelve Months (100) (22)
Twelve Months or Longer (2) (3)
Total (102) (25)
Commercial    
Fair Value    
Less than Twelve Months 7,574 3,451
Twelve Months or Longer 776 776
Total 8,350 4,227
Gross Unrealized Losses    
Less than Twelve Months (350) (41)
Twelve Months or Longer (86) (38)
Total (436) (79)
Non-agency residential    
Fair Value    
Less than Twelve Months 268 241
Twelve Months or Longer 110 174
Total 378 415
Gross Unrealized Losses    
Less than Twelve Months (35) (13)
Twelve Months or Longer (18) (20)
Total (53) (33)
U.S. Treasury and government agencies    
Fair Value    
Less than Twelve Months 141,076 103,307
Twelve Months or Longer 16,011 4,850
Total 157,087 108,157
Gross Unrealized Losses    
Less than Twelve Months (1,209) (272)
Twelve Months or Longer (272) (46)
Total (1,481) (318)
Non-U.S. securities    
Fair Value    
Less than Twelve Months 760  
Twelve Months or Longer 0  
Total 760  
Gross Unrealized Losses    
Less than Twelve Months (9)  
Twelve Months or Longer 0  
Total (9)  
Other taxable securities    
Fair Value    
Less than Twelve Months 683 0
Twelve Months or Longer 334 82
Total 1,017 82
Gross Unrealized Losses    
Less than Twelve Months (6) 0
Twelve Months or Longer (23) (3)
Total (29) (3)
Tax-exempt securities    
Fair Value    
Less than Twelve Months 755 502
Twelve Months or Longer 2,285 109
Total 3,040 611
Gross Unrealized Losses    
Less than Twelve Months (96) (16)
Twelve Months or Longer (54) (23)
Total $ (150) $ (39)