Financial Instruments - Measurement Alternative Investments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Gains and Losses on Marketable and Non-Marketable Equity Securities
Net gain (loss) on equity securities sold during the period	$ (73)	$ (36)	$ (355)	$ 545
Net unrealized gain (loss) on equity securities held as of the end of the period	(574)	2,157	(1,613)	9,185
Total gain (loss) recognized in other income (expense), net	$ (647)	$ 2,121	$ (1,968)	$ 9,730