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Income Taxes - Uncertain Tax Positions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]        
Unrecognized Tax Benefits $ 24 $ 26 $ 22 $ 16
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 3 5 6  
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions (1) 0 0  
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations (4) (1) 0  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Unrecognized Tax Benefits 24 $ 26 $ 22 $ 16
TaxYear2022and PriorMember        
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]        
Unrecognized Tax Benefits 14      
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Unrecognized Tax Benefits $ 14