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Income Taxes - Components of Income (Loss) Before Income Taxes (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax [Line Items]      
Income (loss) before income taxes $ 693 $ (1,006) $ (852)
United States      
Income Tax [Line Items]      
Domestic (420) (928) (1,249)
Foreign      
Income Tax [Line Items]      
Foreign $ 1,113 $ (78) $ 397