Income Taxes - Components of Income Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
United States	$ 1,256	$ 1,317	$ 1,050
International	1,831	2,330	2,251
Income before income taxes	$ 3,087	$ 3,647	$ 3,301