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v3.25.3

Investment Securities (Summary) (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Securities Available-for-Sale |  |
Total | $ 70,421 | $ 65,498
Unrealized gains | 541 | 243
Unrealized losses | (2,665) | (3,702)
Fair Value | 68,297 | 62,039
Securities Held-to-Maturity |  |
Total | 73,226 | 77,693
Unrealized gains | 333 | 78
Unrealized losses | (2,881) | (4,713)
Fair Value | 70,678 | 73,058
Accrued interest, held-to-maturity | 207 | 242
Accrued interest, available-for-sale | 282 | 328
Debt securities, available for sale, allowance for credit loss | 62 | 86
Debt securities, held to maturity, allowance for credit loss | 5 | 5
Net unrealized losses, related to securities transferred at fair value to held to maturity at a point in time | $ 2,800 | $ 3,400
Fitch, AAA OR AA Rating | Credit Concentration Risk | Investments |  |
Securities Held-to-Maturity |  |
Concentration risk, percentage | 97.00% | 97.00%
U.S. Treasury and government agencies |  |
Securities Available-for-Sale |  |
Total | $ 27,953 | $ 23,962
Unrealized gains | 131 | 25
Unrealized losses | (385) | (436)
Fair Value | 27,699 | 23,551
Securities Held-to-Maturity |  |
Total | 24,428 | 29,420
Unrealized gains | 23 | 0
Unrealized losses | (402) | (896)
Fair Value | 24,049 | 28,524
Residential mortgage-backed agency |  |
Securities Available-for-Sale |  |
Total | 33,758 | 33,589
Unrealized gains | 160 | 28
Unrealized losses | (2,131) | (2,991)
Fair Value | 31,787 | 30,626
Securities Held-to-Maturity |  |
Total | 42,190 | 40,171
Unrealized gains | 219 | 16
Unrealized losses | (2,410) | (3,696)
Fair Value | 39,999 | 36,491
Residential mortgage- backed non-agency |  |
Securities Available-for-Sale |  |
Total | 452 | 504
Unrealized gains | 112 | 105
Unrealized losses | (4) | (6)
Fair Value | 560 | 603
Securities Held-to-Maturity |  |
Total | 226 | 240
Unrealized gains | 0 | 0
Unrealized losses | (13) | (21)
Fair Value | 213 | 219
Commercial mortgage-backed agency |  |
Securities Available-for-Sale |  |
Total | 3,418 | 2,077
Unrealized gains | 37 | 1
Unrealized losses | (75) | (133)
Fair Value | 3,380 | 1,945
Securities Held-to-Maturity |  |
Total | 1,094 | 955
Unrealized gains | 16 | 3
Unrealized losses | (9) | (28)
Fair Value | 1,101 | 930
Commercial mortgage- backed non-agency |  |
Securities Available-for-Sale |  |
Total | 294 | 706
Unrealized gains | 0 | 0
Unrealized losses | (4) | (15)
Fair Value | 290 | 691
Securities Held-to-Maturity |  |
Total | 520 | 836
Unrealized gains | 4 | 3
Unrealized losses | (1) | (7)
Fair Value | 523 | 832
Asset-backed |  |
Securities Available-for-Sale |  |
Total | 2,391 | 2,353
Unrealized gains | 52 | 42
Unrealized losses | 0 | (3)
Fair Value | 2,443 | 2,392
Securities Held-to-Maturity |  |
Total | 2,261 | 3,380
Unrealized gains | 43 | 37
Unrealized losses | (6) | (16)
Fair Value | 2,298 | 3,401
Other |  |
Securities Available-for-Sale |  |
Total | 2,155 | 2,307
Unrealized gains | 49 | 42
Unrealized losses | (66) | (118)
Fair Value | 2,138 | 2,231
Securities Held-to-Maturity |  |
Total | 2,507 | 2,691
Unrealized gains | 28 | 19
Unrealized losses | (40) | (49)
Fair Value | $ 2,495 | $ 2,661

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