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Investment Securities (Contractual Maturity of Securities) (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Total securities available-for-sale at amortized cost |  |
1 Year or Less | $ 539 |
After 1 Year through 5 Years | 17,745 |
After 5 Years through 10 Years | 16,273 |
After 10 Years | 35,864 |
Total | 70,421 | $ 65,498
Available-for-sale, fair value |  |
1 Year or Less | 534 |
After 1 Year through 5 Years | 17,742 |
After 5 Years through 10 Years | 16,130 |
After 10 Years | 33,891 |
Total | $ 68,297 | 62,039
Weighted-average yield, GAAP basis, available for sale securities | 3.95% |
Total securities held-to-maturity at amortized cost |  |
1 Year or Less | $ 10,984 |
After 1 Year through 5 Years | 12,884 |
After 5 Years through 10 Years | 3,669 |
After 10 Years | 45,689 |
Total | 73,226 | 77,693
Held-to-maturity, fair value |  |
1 Year or Less | 10,928 |
After 1 Year through 5 Years | 12,717 |
After 5 Years through 10 Years | 3,595 |
After 10 Years | 43,438 |
Total | $ 70,678 | 73,058
Weighted-average yield, GAAP basis, held to maturity securities | 2.60% |
1 Year or Less |  |
Available-for-sale, fair value |  |
Weighted-average yield, GAAP basis, available for sale securities | 2.47% |
Held-to-maturity, fair value |  |
Weighted-average yield, GAAP basis, held to maturity securities | 1.04% |
After 1 Year through 5 Years |  |
Available-for-sale, fair value |  |
Weighted-average yield, GAAP basis, available for sale securities | 3.74% |
Held-to-maturity, fair value |  |
Weighted-average yield, GAAP basis, held to maturity securities | 1.98% |
After 5 Years through 10 Years |  |
Available-for-sale, fair value |  |
Weighted-average yield, GAAP basis, available for sale securities | 4.22% |
Held-to-maturity, fair value |  |
Weighted-average yield, GAAP basis, held to maturity securities | 2.67% |
After 10 Years |  |
Available-for-sale, fair value |  |
Weighted-average yield, GAAP basis, available for sale securities | 3.96% |
Held-to-maturity, fair value |  |
Weighted-average yield, GAAP basis, held to maturity securities | 3.14% |
U.S. Treasury and government agencies |  |
Total securities available-for-sale at amortized cost |  |
1 Year or Less | $ 171 |
After 1 Year through 5 Years | 13,495 |
After 5 Years through 10 Years | 12,136 |
After 10 Years | 2,151 |
Total | 27,953 | 23,962
Available-for-sale, fair value |  |
Total | 27,699 | 23,551
Total securities held-to-maturity at amortized cost |  |
1 Year or Less | 10,794 |
After 1 Year through 5 Years | 11,341 |
After 5 Years through 10 Years | 1,458 |
After 10 Years | 835 |
Total | 24,428 | 29,420
Held-to-maturity, fair value |  |
Total | 24,049 | 28,524
Residential mortgage-backed | Mortgage-backed Securities Agency |  |
Total securities available-for-sale at amortized cost |  |
1 Year or Less | 1 |
After 1 Year through 5 Years | 342 |
After 5 Years through 10 Years | 3,282 |
After 10 Years | 30,133 |
Total | 33,758 |
Total securities held-to-maturity at amortized cost |  |
1 Year or Less | 0 |
After 1 Year through 5 Years | 4 |
After 5 Years through 10 Years | 486 |
After 10 Years | 41,700 |
Total | 42,190 |
Residential mortgage-backed | Mortgage-backed Securities Non-agency |  |
Total securities available-for-sale at amortized cost |  |
1 Year or Less | 0 |
After 1 Year through 5 Years | 0 |
After 5 Years through 10 Years | 86 |
After 10 Years | 366 |
Total | 452 |
Total securities held-to-maturity at amortized cost |  |
1 Year or Less | 0 |
After 1 Year through 5 Years | 0 |
After 5 Years through 10 Years | 0 |
After 10 Years | 226 |
Total | 226 |
Commercial mortgage servicing rights | Mortgage-backed Securities Agency |  |
Total securities available-for-sale at amortized cost |  |
1 Year or Less | 7 |
After 1 Year through 5 Years | 1,440 |
After 5 Years through 10 Years | 106 |
After 10 Years | 1,865 |
Total | 3,418 |
Total securities held-to-maturity at amortized cost |  |
1 Year or Less | 0 |
After 1 Year through 5 Years | 286 |
After 5 Years through 10 Years | 434 |
After 10 Years | 374 |
Total | 1,094 |
Commercial mortgage servicing rights | Mortgage-backed Securities Non-agency |  |
Total securities available-for-sale at amortized cost |  |
1 Year or Less | 0 |
After 1 Year through 5 Years | 79 |
After 5 Years through 10 Years | 75 |
After 10 Years | 140 |
Total | 294 |
Total securities held-to-maturity at amortized cost |  |
1 Year or Less | 0 |
After 1 Year through 5 Years | 27 |
After 5 Years through 10 Years | 0 |
After 10 Years | 493 |
Total | 520 |
Asset-backed |  |
Total securities available-for-sale at amortized cost |  |
1 Year or Less | 0 |
After 1 Year through 5 Years | 1,072 |
After 5 Years through 10 Years | 405 |
After 10 Years | 914 |
Total | 2,391 |
Total securities held-to-maturity at amortized cost |  |
1 Year or Less | 21 |
After 1 Year through 5 Years | 506 |
After 5 Years through 10 Years | 1,040 |
After 10 Years | 694 |
Total | 2,261 |
Other |  |
Total securities available-for-sale at amortized cost |  |
1 Year or Less | 360 |
After 1 Year through 5 Years | 1,317 |
After 5 Years through 10 Years | 183 |
After 10 Years | 295 |
Total | 2,155 | 2,307
Available-for-sale, fair value |  |
Total | 2,138 | 2,231
Total securities held-to-maturity at amortized cost |  |
1 Year or Less | 169 |
After 1 Year through 5 Years | 720 |
After 5 Years through 10 Years | 251 |
After 10 Years | 1,367 |
Total | 2,507 | 2,691
Held-to-maturity, fair value |  |
Total | $ 2,495 | $ 2,661

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