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Income Taxes - Summary of Valuation Allowance (Details) - Valuation Allowance of Deferred Tax Assets [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at January 1, $ 165 $ 12 $ 8
Charges to income tax expense 1 153 4
Reduction of valuation allowance (32)    
Balance at December 31, $ 134 $ 165 $ 12