Marketable Securities and Equity Investments - Summary of Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Cash equivalents:
Amortized Cost	$ 5,911.3	$ 7,372.9
Fair Value	5,911.3	7,372.9
Total marketable debt securities
Gross Unrealized Losses	(16.1)
Fair Value	6,301.2	5,642.8
Corporate equity securities
Amortized Cost	72.1	104.4
Gross Unrealized Gains	0.0	30.9
Gross Unrealized Losses	(19.5)	(18.5)
Fair Value	52.6	116.8
Amortized Cost	2,478.1	374.4
Gross Unrealized Gains	0.0	31.1
Gross Unrealized Losses	(35.6)	(18.8)
Fair Value	2,442.5	386.7
Money market funds
Cash equivalents:
Amortized Cost	3,474.5	5,162.6
Fair Value	3,474.5	5,162.6
Time deposits
Cash equivalents:
Amortized Cost	2,000.0	2,000.0
Fair Value	2,000.0	2,000.0
U.S. Treasury securities
Cash equivalents:
Amortized Cost	133.3	0.0
Fair Value	133.3	0.0
Total marketable debt securities
Amortized Cost	340.7	0.0
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(4.2)	0.0
Fair Value	336.5	0.0
Government-sponsored enterprise securities
Total marketable debt securities
Amortized Cost	502.0	127.0
Gross Unrealized Gains	0.0	0.2
Gross Unrealized Losses	(2.0)	(0.1)
Fair Value	500.0	127.1
Asset-backed securities
Total marketable debt securities
Amortized Cost	170.4	0.0
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(1.0)	0.0
Fair Value	169.4	0.0
Certificates of deposit
Total marketable debt securities
Amortized Cost	40.3	0.0
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(0.1)	0.0
Fair Value	40.2	0.0
Corporate debt securities
Cash equivalents:
Amortized Cost	5.0	5.8
Fair Value	5.0	5.8
Total marketable debt securities
Amortized Cost	994.0	87.2
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(8.7)	(0.2)
Fair Value	985.3	87.0
Commercial paper
Cash equivalents:
Amortized Cost	298.5	204.5
Fair Value	298.5	204.5
Commercial paper
Total marketable debt securities
Amortized Cost	358.6	55.8
Gross Unrealized Gains	0.0	0.0
Gross Unrealized Losses	(0.1)	0.0
Fair Value	358.5	55.8
Cash equivalents:
Total marketable debt securities
Fair Value	3,911.3	5,372.9
Marketable securities
Total marketable debt securities
Fair Value	1,032.6	157.7
Long-term marketable securities
Total marketable debt securities
Fair Value	1,357.3	112.2
Total marketable debt securities
Total marketable debt securities
Amortized Cost	2,406.0	270.0
Gross Unrealized Gains	0.0	0.2
Gross Unrealized Losses	(16.1)	(0.3)
Fair Value	$ 2,389.9	$ 269.9