Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net revenues:
Net revenues	$ 5,301.2	$ 4,735.4	$ 4,445.1
Cost of revenues:
Cost of revenues	2,342.9	1,995.3	1,871.4
Gross margin	2,958.3	2,740.1	2,573.7
Operating expenses:
Research and development	1,036.1	1,007.2	958.4
Sales and marketing	1,133.4	1,052.7	938.8
General and administrative	249.5	249.8	255.4
Restructuring charges	20.2	42.9	68.0
Total operating expenses	2,439.2	2,352.6	2,220.6
Operating income	519.1	387.5	353.1
Gain on divestiture	45.8	0.0	0.0
Loss on extinguishment of debt	0.0	(60.6)	(55.0)
Other expense, net	(28.6)	(16.8)	(32.9)
Income before income taxes and loss from equity method investment	536.3	310.1	265.2
Income tax provision	60.5	57.4	7.4
Loss from equity method investment, net of tax	4.8	0.0	0.0
Net income	$ 471.0	$ 252.7	$ 257.8
Earnings Per Share [Abstract]
Basic (in dollars per share)	$ 1.46	$ 0.78	$ 0.78
Diluted (in dollars per share)	$ 1.43	$ 0.76	$ 0.77
Shares used in computing net income per share:
Basic (in shares)	322.1	324.4	330.4
Diluted (in shares)	329.5	331.6	335.2
Product
Net revenues:
Net revenues	$ 3,539.9	$ 3,078.1	$ 2,845.0
Cost of revenues:
Cost of revenues	1,761.7	1,409.4	1,278.6
Service
Net revenues:
Net revenues	1,761.3	1,657.3	1,600.1
Cost of revenues:
Cost of revenues	$ 581.2	$ 585.9	$ 592.8