Marketable Securities and Equity Investments - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Summary of cash, cash equivalents and marketable securities
Cash	$ 3,100,000,000	$ 3,300,000,000
Allowance for credit loss for available-for-sale debt securities	0	0	$ 0
Debt securities, available-for-sale, realized gain (loss)	0	0	0
Net unrealized (losses) gains	(149,100,000)	17,100,000	136,200,000
Weighted-average cost basis	104,400,000	69,400,000
Other assets
Summary of cash, cash equivalents and marketable securities
Equity securities without readily determinable fair value, amount	98,600,000
Publicly Traded Companies Sale
Summary of cash, cash equivalents and marketable securities
Proceeds received	$ 0	$ 0	437,600,000
Weighted-average cost basis			$ 103,300,000