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Fair Value Disclosures - Measured on a Nonrecurring Basis (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Total loans and leases measured at fair value on a nonrecurring basis still held | $ 516 |  | $ 599
LHFS | Nonrecurring | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Carrying value, LHFS | 204 |  | 4
Valuation adjustments | (58) | $ (68) |
Loans and leases | Nonrecurring | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Carrying value, loans and leases | 297 |  | 468
Valuation adjustments | (444) | (420) |
Other | Nonrecurring | Level 3 |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Carrying value, other | 46 |  | $ 65
Valuation adjustments | $ (113) | $ (148) |

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