Taxes - Components of Income before (Provision) benefit for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Domestic	$ 27,607	$ 22,844	$ 21,655
Foreign	1,813	1,123	1,078
Income Before Provision For Income Taxes	$ 29,420	$ 23,967	$ 22,733