Accounting Policies and Supplemental Disclosures - Other Income (Expense), Net (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Marketable equity securities valuation gains (losses)	$ 1,196	$ 1,039			$ 1,015	$ (11,528)
Equity warrant valuation gains (losses)	(27)	(170)			(188)	(1,606)
Upward adjustments relating to equity investments in private companies	7	11			33	76
Foreign currency gains (losses)	(94)	(103)			(15)	(206)
Other, net	(51)	(18)			(196)	(92)
Total other income (expense), net	1,031	759			649	(13,356)
Schedule of Investments [Line Items]
Marketable equity securities valuation gains (losses)	1,196	1,039			1,015	(11,528)
Loss from operations	11,188	2,525			23,643	9,511
Net loss	9,879	2,872			19,801	(3,000)	$ 20,079	$ 11,323
Equity method investment, nonconsolidated investee
Accounting Policies [Abstract]
Marketable equity securities valuation gains (losses)	1,200	1,100			926	(10,400)
Schedule of Investments [Line Items]
Marketable equity securities valuation gains (losses)	$ 1,200	$ 1,100			$ 926	$ (10,400)
Equity investment, shares held (in shares)	158				158		158
Equity investment, ownership percentage	17.00%				17.00%		17.00%
Equity investment, voting interest	15.00%				15.00%		15.00%
Equity investment, fair value	$ 3,800				$ 3,800		$ 3,800		$ 2,900
Equity investment, discount due to lack of marketability										$ 800
Revenues			$ 1,782	$ 459
Gross profit			(947)	(1,206)
Loss from operations			(2,718)	(3,287)
Net loss			$ (2,544)	$ (3,305)