Accounting Policies and Supplemental Disclosures - Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Accounting Policies [Abstract]
Marketable equity securities valuation gains (losses)	$ 388	$ 443	$ 250	$ (1,683)
Equity warrant valuation gains (losses)	590	(271)	212	(501)
Other income (expenses), net	22	(4)	3,285	(5)
Upward adjustments relating to equity investments in private companies	49	6	86	11
Foreign currency gains (losses)	70	(138)	68	(212)
Other, net	(2)	(54)	(35)	(301)
Other income (expense), net	$ 1,117	$ (18)	$ 3,866	$ (2,691)