Loans Receivable and Allowance for Credit Losses - Foreclosed Assets Narrative (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Foreclosed assets | ||
| Foreclosed assets | $ 25 | $ 21 |
| Residential Real Estate Properties | ||
| Foreclosed assets | ||
| Recorded investment in consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings were in process | $ 29 | $ 16 |