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Commitments, Contingencies and Guarantees (Tables) | 12 Months Ended
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Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract] |
Credit Risk Of Off- Balance Sheet Financial Instruments By Contractual Amounts |
| 2024 |  | 2023
| (In millions)
Unused commitments to extend credit | $ | 63,232 |  |  | $ | 63,631 |
Standby letters of credit | 2,096 |  |  | 1,997 |
Commercial letters of credit | 58 |  |  | 78 |
Liabilities associated with standby letters of credit | 33 |  |  | 32 |
Assets associated with standby letters of credit | 35 |  |  | 34 |
Reserve for unfunded credit commitments | 116 |  | 124 |

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