Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of Financial Assets Subject to Fair Value Measurements

The following tables set forth our financial assets and liabilities subject to fair value measurements by level within the fair value hierarchy (and does not include $3.1 billion and $3.3 billion of cash as of December 31, 2022 and 2021, respectively):

	As of December 31, 2022								As of December 31, 2021
			Fair Value Hierarchy								Fair Value Hierarchy
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
	(in millions)
Financial instruments carried at fair value (asset positions):
Cash equivalents:
Money market funds	$	5,162.6	$	5,162.6	$	—	$	—	$	3,478.1	$	3,478.1	$	—	$	—
Time deposits	2,000.0		—		2,000.0		—		—		—		—		—
Corporate debt securities	5.8		—		5.8		—		—		—		—		—
Commercial paper	204.5		—		204.5		—		—		—		—		—
Marketable securities:
Corporate equity securities	116.8		88.8		28.0		—		230.9		230.9		—		—
U.S. Treasury securities	—		—		—		—		86.4		86.4		—		—
Government-sponsored enterprise securities	127.1		127.1		—		—		69.0		69.0		—		—
Corporate debt securities	87.0		—		87.0		—		90.9		—		90.9		—
Commercial paper	55.8		—		55.8		—		252.7		—		252.7		—
Prepaid expenses and other current assets:
Foreign currency forward contracts	47.5		—		47.5		—		44.5		—		44.5		—
Other assets:
Foreign currency forward contracts	0.8		—		0.8		—		2.0		—		2.0		—
Total financial assets	$	7,807.9	$	5,378.5	$	2,429.4	$	—	$	4,254.5	$	3,864.4	$	390.1	$	—
Financial instruments carried at fair value (liability positions):
Other current liabilities:
Foreign currency forward contracts	$	(14.3)	$	—	$	(14.3)	$	—	$	(5.6)	$	—	$	(5.6)	$	—
Contingent consideration	(14.6)		—		—		(14.6)		—		—		—		—
Other long-term liabilities:
Foreign currency forward contracts	(0.9)		—		(0.9)		—		(2.7)		—		(2.7)		—
Contingent consideration	(114.4)		—		—		(114.4)		(186.5)		—		—		(186.5)
Total financial liabilities	$	(144.2)	$	—	$	(15.2)	$	(129.0)	$	(194.8)	$	—	$	(8.3)	$	(186.5)

Schedule of Fair Value of Our Contingent Consideration Liabilities

The following table represents a rollforward of the fair value of our contingent consideration liabilities:

	Year Ended December 31, 2022
	(in millions)
Balance at December 31, 2021	$	186.5
Decrease in fair value of contingent payments	(57.5)
Balance at December 31, 2022	$	129.0