Investments and Variable Interest Entities - Investment and Other Income (Loss), Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Investments [Abstract]
Equity in net income (losses) of investees, net	$ (680)	$ 789	$ (537)
Realized and unrealized gains (losses) on equity securities, net	(313)	(130)	(320)
Other income (loss), net	502	592	(3)
Investment and other income (loss), net	$ (490)	$ 1,252	$ (861)