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, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income taxes computed at the federal statutory rate	$ 14,409	$ 7,887	$ (1,246)
Effect of:
Tax impact of foreign earnings and losses	199	594	(370)
State taxes, net of federal benefits	1,306	1,307	(173)
Tax credits	(2,805)	(2,362)	(1,006)
Stock-based compensation	(1,688)	1,047	612
Foreign income deduction	(2,379)	(1,429)	(1,258)
Other, net	223	76	224
Provision (benefit) for income taxes, net	9,265	7,120	(3,217)
Excess tax (benefits) deficiency from stock-based compensation	$ 2,800	$ 519	$ 33