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GUARANTEES AND COMMITMENTS - Credit Commitments and Lines of Credit (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Guarantor Obligations |  |
Credit commitments | $ 1,099,552 | $ 1,031,362
Unsettled reverse repurchase and securities borrowing agreements | 201,200 | 117,700
Unsettled repurchase and securities lending agreements | 215,900 | 126,800
Commercial and similar letters of credit |  |
Guarantor Obligations |  |
Credit commitments | 4,299 | 4,031
One- to four-family residential mortgages |  |
Guarantor Obligations |  |
Credit commitments | 1,519 | 967
Revolving open-end loans secured by one- to four-family residential properties |  |
Guarantor Obligations |  |
Credit commitments | 5,068 | 5,271
Commercial real estate, construction and land development |  |
Guarantor Obligations |  |
Credit commitments | 13,830 | 14,107
Credit card lines |  |
Guarantor Obligations |  |
Credit commitments | 692,683 | 676,749
Commercial and other consumer loan commitments |  |
Guarantor Obligations |  |
Credit commitments | 377,081 | 325,329
Other commitments and contingencies |  |
Guarantor Obligations |  |
Credit commitments | 5,072 | 4,908
U.S. |  |
Guarantor Obligations |  |
Credit commitments | 903,734 |
U.S. | Commercial and similar letters of credit |  |
Guarantor Obligations |  |
Credit commitments | 525 |
U.S. | One- to four-family residential mortgages |  |
Guarantor Obligations |  |
Credit commitments | 901 |
U.S. | Revolving open-end loans secured by one- to four-family residential properties |  |
Guarantor Obligations |  |
Credit commitments | 5,066 |
U.S. | Commercial real estate, construction and land development |  |
Guarantor Obligations |  |
Credit commitments | 11,531 |
U.S. | Credit card lines |  |
Guarantor Obligations |  |
Credit commitments | 627,925 |
U.S. | Commercial and other consumer loan commitments |  |
Guarantor Obligations |  |
Credit commitments | 252,871 |
U.S. | Other commitments and contingencies |  |
Guarantor Obligations |  |
Credit commitments | 4,915 |
U.S. | Other commitments and contingencies | Federal Reserve Bank Stock |  |
Guarantor Obligations |  |
Credit commitments | 4,500 | $ 4,500
Outside of U.S. |  |
Guarantor Obligations |  |
Credit commitments | 195,818 |
Outside of U.S. | Commercial and similar letters of credit |  |
Guarantor Obligations |  |
Credit commitments | 3,774 |
Outside of U.S. | One- to four-family residential mortgages |  |
Guarantor Obligations |  |
Credit commitments | 618 |
Outside of U.S. | Revolving open-end loans secured by one- to four-family residential properties |  |
Guarantor Obligations |  |
Credit commitments | 2 |
Outside of U.S. | Commercial real estate, construction and land development |  |
Guarantor Obligations |  |
Credit commitments | 2,299 |
Outside of U.S. | Credit card lines |  |
Guarantor Obligations |  |
Credit commitments | 64,758 |
Outside of U.S. | Commercial and other consumer loan commitments |  |
Guarantor Obligations |  |
Credit commitments | 124,210 |
Outside of U.S. | Other commitments and contingencies |  |
Guarantor Obligations |  |
Credit commitments | $ 157 |

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