CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jul. 29, 2018	Jul. 30, 2017	Jul. 29, 2018	Jul. 30, 2017
Income Statement [Abstract]
Revenue		$ 3,123	$ 2,230	$ 6,330	$ 4,167
Cost of revenue		1,148	928	2,287	1,715
Gross profit		1,975	1,302	4,043	2,452
Operating expenses
Research and development		581	416	1,124	827
Sales, general and administrative		237	198	467	383
Total operating expenses		818	614	1,591	1,210
Income from operations		1,157	688	2,452	1,242
Interest income		32	15	57	31
Interest expense		(14)	(15)	(29)	(31)
Other, net		5	(4)	11	(21)
Total other income (expense)		23	(4)	39	(21)
Income before income tax		1,180	684	2,491	1,221
Income tax expense		79	101	146	130
Net income		$ 1,101	$ 583	$ 2,345	$ 1,091
Net income per share:
Basic (in dollars per share)	[1]	$ 1.81	$ 0.98	$ 3.86	$ 1.83
Diluted (in dollars per share)	[2]	$ 1.76	$ 0.92	$ 3.74	$ 1.71
Weighted average shares used in per share computation:
Basic (in shares)		607	597	607	595
Diluted (in shares)		626	633	627	637
Cash dividends declared and paid per common share (in dollars per share)		$ 0.150	$ 0.140	$ 0.300	$ 0.280

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

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