Marketable Securities and Equity Investments - Summary of Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Cash equivalents:
Amortized Cost	$ 7,179.3		$ 7,372.9
Gross Unrealized Gains	0.2
Fair Value	7,179.5		7,372.9
Total marketable debt securities
Fair Value	7,637.1		5,642.8
Corporate equity securities
Amortized Cost	129.4		104.4
Gross Unrealized Gains	47.4	$ 30.9
Gross Unrealized Losses	(28.7)	$ (18.5)
Fair Value	148.1		116.8
Amortized Cost	2,183.6		374.4
Gross Unrealized Gains	52.6		31.1
Gross Unrealized Losses	(30.5)		(18.8)
Fair Value	2,205.7		386.7
Money market funds
Cash equivalents:
Amortized Cost	4,954.1		5,162.6
Fair Value	4,954.1		5,162.6
Time deposits
Cash equivalents:
Amortized Cost	1,600.0		2,000.0
Fair Value	1,600.0		2,000.0
U.S. Treasury securities
Cash equivalents:
Amortized Cost	86.3		0.0
Gross Unrealized Gains	0.1
Fair Value	86.4		0.0
Total marketable debt securities
Amortized Cost	274.8		0.0
Gross Unrealized Gains	1.8		0.0
Gross Unrealized Losses	0.0		0.0
Fair Value	276.6		0.0
Government-sponsored enterprise securities
Cash equivalents:
Amortized Cost	129.2		0.0
Gross Unrealized Gains	0.1
Fair Value	129.3		0.0
Total marketable debt securities
Amortized Cost	532.0		127.0
Gross Unrealized Gains	0.5		0.2
Gross Unrealized Losses	(0.1)		(0.1)
Fair Value	532.4		127.1
Asset-backed securities
Total marketable debt securities
Amortized Cost	118.1		0.0
Gross Unrealized Gains	0.0		0.0
Gross Unrealized Losses	(0.2)		0.0
Fair Value	117.9		0.0
Certificates of deposit
Total marketable debt securities
Amortized Cost	44.9		0.0
Gross Unrealized Gains	0.0		0.0
Gross Unrealized Losses	0.0		0.0
Fair Value	44.9		0.0
Corporate debt securities
Cash equivalents:
Amortized Cost	1.7		5.8
Fair Value	1.7		5.8
Total marketable debt securities
Amortized Cost	770.0		87.2
Gross Unrealized Gains	2.9		0.0
Gross Unrealized Losses	(1.4)		(0.2)
Fair Value	771.5		87.0
Commercial paper
Cash equivalents:
Amortized Cost	408.0		204.5
Fair Value	408.0		204.5
Commercial paper
Total marketable debt securities
Amortized Cost	314.4		55.8
Gross Unrealized Gains	0.0		0.0
Gross Unrealized Losses	(0.1)		0.0
Fair Value	314.3		55.8
Cash equivalents:
Total marketable debt securities
Fair Value	5,579.5		5,372.9
Marketable securities
Total marketable debt securities
Fair Value	976.1		157.7
Long-term marketable securities
Total marketable debt securities
Fair Value	1,081.5		112.2
Total marketable debt securities
Total marketable debt securities
Amortized Cost	2,054.2		270.0
Gross Unrealized Gains	5.2		0.2
Gross Unrealized Losses	(1.8)		(0.3)
Fair Value	$ 2,057.6		$ 269.9