Marketable Securities and Equity Investments - Summary of Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash equivalents:
Amortized Cost	$ 7,372.9	$ 3,478.1
Fair Value	7,372.9	3,478.1
Total marketable debt securities
Fair Value	5,642.8	3,977.1
Corporate equity securities
Amortized Cost	104.4	69.4
Gross Unrealized Gains	30.9	167.1
Gross Unrealized Losses	(18.5)	(5.6)
Fair Value	116.8	230.9
Amortized Cost	374.4	568.9
Gross Unrealized Gains	31.1	167.1
Gross Unrealized Losses	(18.8)	(6.1)
Fair Value	386.7	729.9
Marketable securities and other assets
Total marketable debt securities
Amortized Cost	270.0	499.5
Gross Unrealized Gains	0.2	0.0
Gross Unrealized Losses	(0.3)	(0.5)
Fair Value	269.9	499.0
Money market funds
Cash equivalents:
Amortized Cost	5,162.6	3,478.1
Fair Value	5,162.6	3,478.1
Time deposits
Cash equivalents:
Amortized Cost	2,000.0	0.0
Fair Value	2,000.0	0.0
Corporate debt securities
Cash equivalents:
Amortized Cost	5.8	0.0
Fair Value	5.8	0.0
Total marketable debt securities
Amortized Cost	87.2	91.1
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(0.2)	(0.2)
Fair Value	87.0	90.9
Commercial paper
Cash equivalents:
Amortized Cost	204.5	0.0
Fair Value	204.5	0.0
U.S. Treasury securities
Total marketable debt securities
Amortized Cost	0.0	86.6
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	(0.2)
Fair Value	0.0	86.4
Government-sponsored enterprise securities
Total marketable debt securities
Amortized Cost	127.0	69.0
Gross Unrealized Gains	0.2	0.0
Gross Unrealized Losses	(0.1)	0.0
Fair Value	127.1	69.0
Commercial paper
Total marketable debt securities
Amortized Cost	55.8	252.8
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	0.0	(0.1)
Fair Value	$ 55.8	$ 252.7