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) | |