Derivative Financial Instruments - Schedule of Fair Value of Instruments with Credit-Risk-Contingent Features (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||
| Gross liability fair value of contracts containing credit-risk-contingent features | $ 7 | $ 16 |
| Gross asset fair value of contracts containing credit-risk-contingent features and subject to MNAs | (6) | (2) |
| Collateral posted under MNAs for contracts containing credit-risk-contingent features | (1) | (14) |
| Maximum amount of additional exposure for contracts with credit-risk-contingent features if all features were triggered concurrently | $ 0 | $ 0 |