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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |  |
Deferred income tax expense (benefit), subsidiary restructuring | $ 27 |  |
Increase in income taxes benefit, change in tax rate |  |  | $ 136
Decrease in deferred income taxes |  |  | 136
Change in valuation allowance | 11 | $ (10) | $ (19)
Unrecognized tax benefits that would impact effective tax rate | $ 66 |  |

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