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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Income Tax Disclosure [Abstract]        
Income (loss) before income tax benefit $ 51 $ 24 $ 24 $ (62)
Income tax expense (benefit) $ 9 $ (11) $ 13 $ (14)
Effective income tax rate 17.60% (45.80%) 54.20% 22.60%