Income Taxes - Income (Loss) Before Income Taxes and Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income before income tax expense:
Domestic	$ 1,451	$ 1,160	$ 328
Foreign	1,713	1,456	1,305
Income before income tax expense	3,164	2,616	1,633
Current:
Federal	189	206	136
State	35	92	24
Foreign	229	218	323
Total current	453	516	483
Deferred:
Federal	73	(84)	781
State	12	(10)	(16)
Foreign	(73)	(3)	(1,118)
Total deferred	12	(97)	(353)
Income tax expense	$ 465	$ 419	$ 130