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v3.25.1

Investment Securities (Contractual Maturity Distribution Of Debt Securities) (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 17,641 | $ 17,918
Fair Value | 15,102 | $ 15,045
Debt securities |  |
Schedule of Investments [Line Items] |  |
Available-for-sale, Within one year, Amortized Cost | 308 |
Available-for-sale, After one year through five years, Amortized Cost | 1,298 |
Available-for-sale, After five years through ten years, Amortized Cost | 5,101 |
Available-for-sale, After ten years, Amortized Cost | 10,934 |
Amortized Cost | 17,641 |
Available-for-sale, Within one year, Fair Value | 308 |
Available-for-sale, After one year through five years, Fair Value | 1,287 |
Available-for-sale, After five years through ten years, Fair Value | 4,655 |
Available-for-sale, After ten years, Fair Value | 8,852 |
Fair Value | $ 15,102 |

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