Quarterly report [Sections 13 or 15(d)]

Securities - Debt Securities (Details)

v3.25.2
Securities - Debt Securities (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Available-for-sale debt securities    
Amortized Cost $ 381,405 $ 349,928
Gross Unrealized Gains 374 364
Gross Unrealized Losses (3,746) (3,860)
Fair Value 378,033 346,432
Other Debt Securities, Carried at Fair Value:    
Amortized Cost 10,664 12,352
Gross Unrealized Gains 311 59
Gross Unrealized Losses (78) (236)
Fair Value 10,897 12,175
Debt securities carried at fair value:    
Amortized Cost 392,069 362,280
Gross Unrealized Gains 685 423
Gross Unrealized Losses (3,824) (4,096)
Fair Value 388,930 358,607
Held-to-maturity debt securities    
Amortized Cost 541,322 558,713
Gross Unrealized Gains 2 1
Gross Unrealized Losses (93,145) (108,166)
Fair Value 448,179 450,548
Debt securities:    
Amortized Cost 933,391 920,993
Gross Unrealized Gains 687 424
Gross Unrealized Losses (96,969) (112,262)
Fair Value 837,109 809,155
Securities, pledged as collateral $ 209,800 $ 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 $ 254,200 $ 260,900
Fair Value 208,700 209,600
FHLMC    
Debt securities carried at fair value:    
Amortized Cost 164,400 169,000
Fair Value 135,600 136,500
Mortgage-backed securities    
Available-for-sale debt securities    
Amortized Cost 81,339 78,619
Gross Unrealized Gains 157 175
Gross Unrealized Losses (2,291) (2,387)
Fair Value 79,205 76,407
Debt securities carried at fair value:    
Fair Value 79,471  
Agency    
Available-for-sale debt securities    
Amortized Cost 30,730 32,781
Gross Unrealized Gains 22 35
Gross Unrealized Losses (1,538) (1,614)
Fair Value 29,214 31,202
Debt securities carried at fair value:    
Fair Value 29,214  
Held-to-maturity debt securities    
Amortized Cost 413,305 430,135
Gross Unrealized Gains 0 0
Gross Unrealized Losses (78,149) (88,458)
Fair Value 335,156 341,677
Agency-collateralized mortgage obligations    
Available-for-sale debt securities    
Amortized Cost 18,990 19,519
Gross Unrealized Gains 6 17
Gross Unrealized Losses (199) (218)
Fair Value 18,797 19,318
Debt securities carried at fair value:    
Fair Value 18,797  
Commercial    
Available-for-sale debt securities    
Amortized Cost 31,342 26,032
Gross Unrealized Gains 76 73
Gross Unrealized Losses (501) (503)
Fair Value 30,917 25,602
Debt securities carried at fair value:    
Fair Value 30,931  
Non-agency residential    
Available-for-sale debt securities    
Amortized Cost 277 287
Gross Unrealized Gains 53 50
Gross Unrealized Losses (53) (52)
Fair Value 277 $ 285
Debt securities carried at fair value:    
Fair Value $ 529  
Non-agency residential | Prime    
Debt securities:    
Available-for-sale securities, percent held by rating 26.00% 25.00%
Non-agency residential | Subprime    
Debt securities:    
Available-for-sale securities, percent held by rating 74.00% 75.00%
U.S. Treasury and government agencies    
Available-for-sale debt securities    
Amortized Cost $ 262,218 $ 235,582
Gross Unrealized Gains 138 150
Gross Unrealized Losses (1,198) (1,153)
Fair Value 261,158 234,579
Debt securities carried at fair value:    
Fair Value 262,927  
Held-to-maturity debt securities    
Amortized Cost 121,471 121,696
Gross Unrealized Gains 0 0
Gross Unrealized Losses (14,139) (18,661)
Fair Value 107,332 103,035
Non-U.S. securities    
Available-for-sale debt securities    
Amortized Cost 26,384 22,453
Gross Unrealized Gains 58 20
Gross Unrealized Losses (20) (42)
Fair Value 26,422 22,431
Debt securities carried at fair value:    
Fair Value 35,281  
Other taxable securities    
Available-for-sale debt securities    
Amortized Cost 3,261 4,646
Gross Unrealized Gains 3 2
Gross Unrealized Losses (37) (45)
Fair Value 3,227 4,603
Debt securities carried at fair value:    
Fair Value 3,230  
Held-to-maturity debt securities    
Amortized Cost 6,546 6,882
Gross Unrealized Gains 2 1
Gross Unrealized Losses (857) (1,047)
Fair Value 5,691 5,836
Tax-exempt securities    
Available-for-sale debt securities    
Amortized Cost 8,203 8,628
Gross Unrealized Gains 18 17
Gross Unrealized Losses (200) (233)
Fair Value 8,021 $ 8,412
Debt securities carried at fair value:    
Fair Value $ 8,021