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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Income Tax Disclosure [Abstract]          
Effective income tax rate (as a percent) 18.20% 17.60% 21.80% 25.80%  
Unrecognized tax benefits $ 244   $ 244   $ 223
Accrued interest and penalties associated with unrecognized tax benefits 50   50   $ 38
Reduction of unrecognized tax benefits is reasonably possible $ 20   $ 20