Income Taxes - Components of Provision for Income Taxes, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
International:
Provision for income taxes, net	$ 4,791	$ 2,863	$ 2,374
U.S. Federal
U.S. Federal:
Current	2,129	1,835	162
Deferred	155	(151)	914
International:
Provision for income taxes, net	2,284	1,684	1,076
U.S. State
U.S. State:
Current	763	626	276
Deferred	(178)	(190)	8
International:
Provision for income taxes, net	585	436	284
International
International:
Current	2,209	956	1,140
Deferred	(287)	(213)	(126)
Provision for income taxes, net	$ 1,922	$ 743	$ 1,014