Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023		Jun. 30, 2022
Net revenues:
Total net revenues		$ 1,430.1	$ 1,269.6	$ 2,801.9		$ 2,437.8
Cost of revenues:
Total cost of revenues		617.0	575.5	1,217.6		1,094.3
Gross margin		813.1	694.1	1,584.3		1,343.5
Operating expenses:
Research and development		282.0	244.3	566.8		492.9
Sales and marketing		308.3	274.3	611.5		547.6
General and administrative		65.2	67.2	133.2		127.4
Restructuring charges		16.5	0.5	16.0		9.3
Total operating expenses		672.0	586.3	1,327.5		1,177.2
Operating income		141.1	107.8	256.8		166.3
Gain (loss) on privately-held investments, net	[1],[2]	(92.2)	5.9	(92.0)	[3]	5.9	[3]
Gain on divestiture		0.0	45.8	0.0		45.8
Other expense, net	[2]	(7.4)	(14.0)	(16.2)		(26.9)
Income before income taxes and loss from equity method investment		41.5	145.5	148.6		191.1
Income tax provision		15.0	31.6	34.6		21.5
Loss from equity method investment, net of tax		2.1	0.5	4.2	[3]	0.5	[3]
Net income		$ 24.4	$ 113.4	$ 109.8		$ 169.1
Net income per share:
Basic (in dollars per share)		$ 0.08	$ 0.35	$ 0.34		$ 0.53
Diluted (in dollars per share)		$ 0.07	$ 0.35	$ 0.34		$ 0.51
Weighted-average shares used to compute net income per share:
Basic (in shares)		319.3	321.0	320.8		321.1
Diluted (in shares)		326.0	328.1	327.6		329.3
Product
Net revenues:
Total net revenues		$ 963.2	$ 839.8	$ 1,875.8		$ 1,584.1
Cost of revenues:
Total cost of revenues		470.7	431.9	925.6		810.4
Service
Net revenues:
Total net revenues		466.9	429.8	926.1		853.7
Cost of revenues:
Total cost of revenues		$ 146.3	$ 143.6	$ 292.0		$ 283.9

[1] Privately-held investments represent investments in privately-held debt and redeemable preferred stock securities and equity investments without readily determinable fair value

[2] The prior period amounts have been reclassified to conform to the current period presentation

[3] The prior period amounts have been reclassified to conform to the current period presentation.