Annual report [Section 13 and 15(d), not S-K Item 405]

Securities - Debt Securities (Details)

v3.25.4
Securities - Debt Securities (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Available-for-sale debt securities    
Amortized Cost $ 388,611 $ 349,928
Gross Unrealized Gains 790 364
Gross Unrealized Losses (2,603) (3,860)
Fair Value 386,798 346,432
Other Debt Securities, Carried at Fair Value:    
Amortized Cost 16,066 12,352
Gross Unrealized Gains 200 59
Gross Unrealized Losses (89) (236)
Fair Value 16,177 12,175
Debt securities carried at fair value:    
Amortized Cost 404,677 362,280
Gross Unrealized Gains 990 423
Gross Unrealized Losses (2,692) (4,096)
Fair Value 402,975 358,607
Held-to-maturity debt securities    
Amortized Cost 522,685 558,713
Gross Unrealized Gains 2 1
Gross Unrealized Losses (80,257) (108,166)
Fair Value 442,430 450,548
Debt securities:    
Amortized Cost 927,362 920,993
Gross Unrealized Gains 992 424
Gross Unrealized Losses (82,949) (112,262)
Fair Value 845,405 809,155
Securities, pledged as collateral $ 153,800 $ 184,600
Stockholders' Equity, Total | Investment Concentration Risk | Fannie Mae    
Debt securities:    
Concentration risk (more than) 10.00% 10.00%
Stockholders' Equity, Total | Investment Concentration Risk | Freddie Mac    
Debt securities:    
Concentration risk (more than) 10.00% 10.00%
FNMA    
Debt securities carried at fair value:    
Amortized Cost $ 246,900 $ 260,900
Fair Value 208,000 209,600
FHLMC    
Debt securities carried at fair value:    
Amortized Cost 158,500 169,000
Fair Value 133,600 136,500
Mortgage-backed securities    
Available-for-sale debt securities    
Amortized Cost 92,505 78,619
Gross Unrealized Gains 353 175
Gross Unrealized Losses (1,752) (2,387)
Fair Value 91,106 76,407
Debt securities carried at fair value:    
Fair Value 91,362  
Agency    
Available-for-sale debt securities    
Amortized Cost 34,240 32,781
Gross Unrealized Gains 80 35
Gross Unrealized Losses (1,179) (1,614)
Fair Value 33,141 31,202
Debt securities carried at fair value:    
Fair Value 33,141  
Held-to-maturity debt securities    
Amortized Cost 395,415 430,135
Gross Unrealized Gains 0 0
Gross Unrealized Losses (67,309) (88,458)
Fair Value 328,106 341,677
Agency-collateralized mortgage obligations    
Available-for-sale debt securities    
Amortized Cost 19,304 19,519
Gross Unrealized Gains 27 17
Gross Unrealized Losses (132) (218)
Fair Value 19,199 19,318
Debt securities carried at fair value:    
Fair Value 19,199  
Commercial    
Available-for-sale debt securities    
Amortized Cost 38,688 26,032
Gross Unrealized Gains 191 73
Gross Unrealized Losses (385) (503)
Fair Value 38,494 25,602
Debt securities carried at fair value:    
Fair Value 38,502  
Non-agency residential    
Available-for-sale debt securities    
Amortized Cost 273 287
Gross Unrealized Gains 55 50
Gross Unrealized Losses (56) (52)
Fair Value 272 $ 285
Debt securities carried at fair value:    
Fair Value $ 520  
Non-agency residential | Prime    
Debt securities:    
Available-for-sale securities, percent held by rating 27.00% 25.00%
Non-agency residential | Subprime    
Debt securities:    
Available-for-sale securities, percent held by rating 73.00% 75.00%
U.S. Treasury and government agencies    
Available-for-sale debt securities    
Amortized Cost $ 250,065 $ 235,582
Gross Unrealized Gains 390 150
Gross Unrealized Losses (621) (1,153)
Fair Value 249,834 234,579
Debt securities carried at fair value:    
Fair Value 253,119  
Held-to-maturity debt securities    
Amortized Cost 121,242 121,696
Gross Unrealized Gains 0 0
Gross Unrealized Losses (12,225) (18,661)
Fair Value 109,017 103,035
Non-U.S. securities    
Available-for-sale debt securities    
Amortized Cost 31,765 22,453
Gross Unrealized Gains 20 20
Gross Unrealized Losses (18) (42)
Fair Value 31,767 22,431
Debt securities carried at fair value:    
Fair Value 44,397  
Other taxable securities    
Available-for-sale debt securities    
Amortized Cost 6,328 4,646
Gross Unrealized Gains 12 2
Gross Unrealized Losses (36) (45)
Fair Value 6,304 4,603
Debt securities carried at fair value:    
Fair Value 6,307  
Held-to-maturity debt securities    
Amortized Cost 6,028 6,882
Gross Unrealized Gains 2 1
Gross Unrealized Losses (723) (1,047)
Fair Value 5,307 5,836
Tax-exempt securities    
Available-for-sale debt securities    
Amortized Cost 7,948 8,628
Gross Unrealized Gains 15 17
Gross Unrealized Losses (176) (233)
Fair Value 7,787 $ 8,412
Debt securities carried at fair value:    
Fair Value $ 7,790