Borrowings and Other Secured Financings - Rates for Long-Term Borrowings (Details) |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Debt Disclosure [Abstract] | |||
| Contractual weighted average coupon (as a percent) | 4.20% | 4.10% | 3.60% |
| Weighted average coupon after hedging derivatives (as a percent) | 4.90% | 5.60% | 6.50% |