CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Apr. 26, 2020	Apr. 28, 2019
Income Statement [Abstract]
Revenue	$ 3,080	$ 2,220
Cost of revenue	1,076	924
Gross profit	2,004	1,296
Operating expenses
Research and development	735	674
Sales, general and administrative	293	264
Total operating expenses	1,028	938
Income from operations	976	358
Interest income	31	44
Interest expense	(25)	(13)
Other, net	(1)	0
Other income, net	5	31
Income before income tax	981	389
Income tax expense (benefit)	64	(5)
Net income	$ 917	$ 394
Net income per share:
Basic (in dollars per share)	$ 1.49	$ 0.65
Diluted (in dollars per share)	$ 1.47	$ 0.64
Weighted average shares used in per share computation:
Basic (in shares)	614	607
Diluted (in shares)	622	616