Income Taxes - Items Accounting for Differences Between Income Taxes Computed at Federal Statutory Rate and Provision Recorded for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income taxes computed at the federal statutory rate	$ 7,887	$ (1,246)	$ 8,012
Effect of:
Tax impact of foreign earnings and losses	594	(370)	(1,349)
State taxes, net of federal benefits	1,307	(173)	465
Tax credits	(2,362)	(1,006)	(1,136)
Stock-based compensation	1,047	612	(1,094)
Foreign income deduction	(1,429)	(1,258)	(301)
Other, net	76	224	194
Provision (benefit) for income taxes, net	7,120	(3,217)	4,791
Excess tax (benefits) deficiency from stock-based compensation	$ 519	$ 33	$ (1,900)