Accounting Policies and Supplemental Disclosures - Other Income (Expense), Net (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Marketable equity securities valuation gains (losses)	$ 299		$ (4,322)		$ (181)	$ (12,567)
Equity warrant valuation gains (losses)	(220)		(1,124)		(161)	(1,436)
Upward adjustments relating to equity investments in private companies	10		58		26	65
Foreign currency gains (losses)	9		(117)		79	(103)
Other, net	(37)		(40)		(145)	(74)
Total other income (expense), net	61		(5,545)		(382)	(14,115)
Schedule of Investments [Line Items]
Marketable equity securities valuation gains (losses)	299		(4,322)		(181)	(12,567)
Loss from operations	7,681		3,317		12,455	6,986
Net loss	6,750		(2,028)		9,922	(5,872)	$ 13,072	$ 11,607
Equity method investment, nonconsolidated investee
Accounting Policies [Abstract]
Marketable equity securities valuation gains (losses)	187		(3,900)		(280)	(11,500)
Schedule of Investments [Line Items]
Marketable equity securities valuation gains (losses)	$ 187		$ (3,900)		$ (280)	$ (11,500)
Equity investment, shares held (in shares)	158				158		158
Equity investment, ownership percentage	17.00%				17.00%		17.00%
Equity investment, voting interest	16.00%				16.00%		16.00%
Equity investment, fair value	$ 2,600				$ 2,600		$ 2,600		$ 2,900
Equity investment, discount due to lack of marketability										$ 800
Revenues		$ 661		$ 95
Gross profit		(535)		(502)
Loss from operations		(1,433)		(1,579)
Net loss		$ (1,349)		$ (1,593)