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Basis Of Presentation Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Income Tax Disclosure [Abstract]        
Income tax expense $ 8 $ 48 $ 52 $ 125