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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - Nonrecurring - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | $ 423 | $ 354
Fair value adjustment | (125) | (54)
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 0 | 0
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 13 | 0
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 410 | 354
Commercial loans held for sale | Commercial |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value |  | 25
Fair value adjustment |  | 0
Commercial loans held for sale | Commercial | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value |  | 0
Commercial loans held for sale | Commercial | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value |  | 0
Commercial loans held for sale | Commercial | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value |  | 25
Commercial loans and leases | Commercial |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 261 | 130
Fair value adjustment | (126) | (60)
Commercial loans and leases | Commercial | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 0 | 0
Commercial loans and leases | Commercial | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 0 | 0
Commercial loans and leases | Commercial | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 261 | 130
Consumer and residential mortgage loans | Consumer |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 145 | 197
Fair value adjustment | (4) | (3)
Consumer and residential mortgage loans | Consumer | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 0 | 0
Consumer and residential mortgage loans | Consumer | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 0 | 0
Consumer and residential mortgage loans | Consumer | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 145 | 197
OREO |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 4 | 1
Fair value adjustment | 1 | 0
OREO | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 0 | 0
OREO | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 0 | 0
OREO | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 4 | 1
Bank premises and equipment |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value |  | 1
Fair value adjustment |  | 0
Bank premises and equipment | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value |  | 0
Bank premises and equipment | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value |  | 0
Bank premises and equipment | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value |  | 1
Private equity investments |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 13 | 0
Fair value adjustment | 4 | 9
Private equity investments | Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 0 | 0
Private equity investments | Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | 13 | 0
Private equity investments | Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Assets, fair value | $ 0 | $ 0

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