Loans and Leases - Narrative (Details) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
|
| Receivables [Abstract] | |||||
| Payment performance period threshold | 6 months | ||||
| Loans 90 days or greater past due and still accruing | $ 0 | $ 0 | $ 0 | ||
| Residential mortgage loans in process of foreclosure | 29,000,000 | 29,000,000 | 41,000,000 | ||
| Loans modified to borrowers experiencing financial difficulty | 8,000,000 | $ 3,000,000 | 26,000,000 | $ 32,000,000 | |
| Loans with government guarantees | $ 354,000,000 | $ 354,000,000 | $ 360,000,000 | ||