CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Oct. 28, 2018	Oct. 29, 2017	Oct. 28, 2018	Oct. 29, 2017
Income Statement [Abstract]
Revenue		$ 3,181	$ 2,636	$ 9,511	$ 6,803
Cost of revenue		1,260	1,067	3,547	2,782
Gross profit		1,921	1,569	5,964	4,021
Operating expenses
Research and development		605	462	1,729	1,290
Sales, general and administrative		258	212	725	594
Total operating expenses		863	674	2,454	1,884
Income from operations		1,058	895	3,510	2,137
Interest income		37	17	94	48
Interest expense		(15)	(15)	(44)	(46)
Other, net		1	(1)	12	(22)
Total other income (expense)		23	1	62	(20)
Income before income tax		1,081	896	3,572	2,117
Income tax expense (benefit)		(149)	58	(3)	189
Net income		$ 1,230	$ 838	$ 3,575	$ 1,928
Net income per share:
Basic (in dollars per share)	[1]	$ 2.02	$ 1.39	$ 5.88	$ 3.23
Diluted (in dollars per share)	[2]	$ 1.97	$ 1.33	$ 5.71	$ 3.05
Weighted average shares used in per share computation:
Basic (in shares)		609	603	608	597
Diluted (in shares)		625	628	626	633
Cash dividends declared and paid per common share (in dollars per share)		$ 0.15	$ 0.14	$ 0.45	$ 0.42

[1] Calculated as net income divided by basic weighted average shares.

[2] Calculated as net income divided by diluted weighted average shares.