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Income Taxes (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Valuation Allowance [Line Items]      
Income tax expense (benefit) $ 46 $ 6 $ 4
Deferred tax assets, operating loss carryforwards 32    
Deferred tax assets operating loss carryforwards 19    
Deferred tax assets, operating losses subject to expiration 5    
Deferred tax assets, operating losses subject to expiration tax credits 18    
Net Operating Loss Carryforward      
Valuation Allowance [Line Items]      
Valuation allowance $ 15