Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Apr. 04, 2021	Mar. 29, 2020
Revenue:
Total revenue	$ 1,093	$ 859
Cost of revenue:
Amortization of acquired intangible assets	6	7
Total cost of revenue	329	240
Gross profit	764	619
Operating expense:
Research and development	197	156
Selling, general and administrative	374	274
Total operating expense	571	430
Income from operations	193	189
Other income (expense):
Interest income	1	14
Interest expense	(19)	(11)
Other expense, net	(6)	(14)
Total other expense, net	(24)	(11)
Income before income taxes	169	178
Provision for income taxes	22	5
Net income	$ 147	$ 173
Earnings per share:
Basic (in dollars per share)	$ 1.01	$ 1.18
Diluted (in dollars per share)	$ 1.00	$ 1.17
Shares used in computing earnings per share:
Basic (in shares)	146	147
Diluted (in shares)	147	148
Product revenue
Revenue:
Total revenue	$ 953	$ 701
Cost of revenue:
Cost of revenue	265	174
Service and other revenue
Revenue:
Total revenue	140	158
Cost of revenue:
Cost of revenue	$ 58	$ 59