Marketable Securities and Equity Investments - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Summary of cash, cash equivalents and marketable securities
Cash	$ 3,300,000,000	$ 3,100,000,000
Allowance for credit loss for available-for-sale debt securities	0	0	$ 0
Debt securities, available-for-sale, realized gain (loss)	0	0	0
Debt securities fair value, unrealized loss position	1,500,000,000
Unrealized loss	3,600,000
Unrealized loss position for greater than twelve months	0
Original cost	72,100,000	104,400,000
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	95,100,000	$ 0	$ 0
Original cost	$ 57,300,000