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Commitments, Contingencies and Guarantees (Tables) | 6 Months Ended
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Jun. 30, 2024
Commitments and Contingencies Disclosure [Abstract] |
Credit Risk Of Off- Balance Sheet Financial Instruments By Contractual Amounts | Credit risk associated with these instruments is represented by the contractual amounts indicated in the following table:
| June 30, 2024 |  | December 31, 2023
| (In millions)
Unused commitments to extend credit | $ | 63,746 |  |  | $ | 63,631 |
Standby letters of credit | 2,109 |  |  | 1,997 |
Commercial letters of credit | 61 |  |  | 78 |
Liabilities associated with standby letters of credit | 32 |  |  | 32 |
Assets associated with standby letters of credit | 34 |  |  | 34 |
Reserve for unfunded credit commitments | 111 |  | 124 |

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