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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Income Tax Disclosure [Abstract]          
Effective income tax rate (as a percent) 15.60% 15.00% 16.10% 18.60%  
Tax expense, valuation allowance, US foreign tax credit   $ 115   $ 327  
Unrecognized tax benefits $ 296   $ 296   $ 431