Marketable Securities and Equity Investments - Additional Information (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Summary of cash, cash equivalents and marketable securities
Cash	$ 2,100,000,000	$ 3,100,000,000
Allowance for credit loss for available-for-sale debt securities	0		$ 0
Debt securities fair value, unrealized loss position	702,700,000
Unrealized loss position for greater than twelve months	0
Other Assets
Summary of cash, cash equivalents and marketable securities
Equity securities without readily determinable fair value, amount	$ 98,600,000