Sales of Receivables and Servicing Rights - Additional Information (Details) - USD ($) $ in Billions |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Transfers and Servicing [Abstract] | |||
| Servicing Asset, Fair Value, Change in Fair Value, Other, Statement of Income or Comprehensive Income [Extensible Enumeration] | Fees and Commissions, Mortgage Banking and Servicing | Fees and Commissions, Mortgage Banking and Servicing | |
| Servicing of residential mortgage loans for other investors | $ 91.2 | $ 94.2 | |
| Weighted-average coupon of the MSR portfolio (as a percent) | 3.82% | 3.79% | |