Derivative Financial Instruments - Schedule of Fair Value of Instruments with Credit-Risk-Contingent Features (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||
| Gross liability fair value of contracts containing credit-risk-contingent features | $ 38 | $ 1 |
| Gross asset fair value of contracts containing credit-risk-contingent features and subject to MNAs | (2) | (1) |
| Collateral posted under MNAs for contracts containing credit-risk-contingent features | (36) | 0 |
| Maximum amount of additional exposure for contracts with credit-risk-contingent features if all features were triggered concurrently | $ 0 | $ 0 |