Description of Business, Accounting Policies, and Supplemental Disclosures - Other Income (Expense), Net (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Marketable equity securities valuation gains (losses)	$ (1,278)	$ 984	$ (13,870)
Equity warrant valuation gains (losses)	(192)	26	(2,132)
Upward adjustments relating to equity investments in private companies	49	40	76
Foreign currency gains (losses)	(408)	65	(340)
Other, net	(421)	(177)	(540)
Total other income (expense), net	(2,250)	938	(16,806)
Schedule of Equity Method Investments [Line Items]
Marketable equity securities valuation gains (losses)	(1,278)	984	(13,870)
Equity investment, discount due to lack of marketability				$ 800
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Accounting Policies [Abstract]
Marketable equity securities valuation gains (losses)	(1,600)	797	(12,700)
Schedule of Equity Method Investments [Line Items]
Marketable equity securities valuation gains (losses)	$ (1,600)	797	$ (12,700)
Equity investment, shares held (in shares)	158
Equity investment, ownership interest	14.00%
Equity investment, voting interest	13.00%
Equity investment, fair value	$ 2,100	$ 3,700