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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Nonrecurring Basis (Details) - Fair Value, Nonrecurring - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
ASSETS MEASURED ON A NONRECURRING BASIS |  |
Collateral-dependent loans | $ 56 | $ 152
Accrued income and other assets | 32 | 14
Total assets on a recurring basis at fair value | 88 | 166
Level 1 |  |
ASSETS MEASURED ON A NONRECURRING BASIS |  |
Collateral-dependent loans | 0 | 0
Accrued income and other assets | 0 | 0
Total assets on a recurring basis at fair value | 0 | 0
Level 2 |  |
ASSETS MEASURED ON A NONRECURRING BASIS |  |
Collateral-dependent loans | 0 | 0
Accrued income and other assets | 0 | 0
Total assets on a recurring basis at fair value | 0 | 0
Level 3 |  |
ASSETS MEASURED ON A NONRECURRING BASIS |  |
Collateral-dependent loans | 56 | 152
Accrued income and other assets | 32 | 14
Total assets on a recurring basis at fair value | $ 88 | $ 166

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