Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Aug. 01, 2021	Jul. 26, 2020	Aug. 01, 2021	Jul. 26, 2020
Numerator:
Net income	$ 2,374	$ 622	$ 4,285	$ 1,539
Denominator:
Basic weighted average shares (in shares)	2,493	2,464	2,489	2,460
Dilutive impact of outstanding equity awards (in shares)	39	40	40	36
Diluted weighted average shares (in shares)	2,532	2,504	2,529	2,496
Net income per share:
Basic (in dollars per share)	$ 0.95	$ 0.25	$ 1.72	$ 0.63
Diluted (in dollars per share)	$ 0.94	$ 0.25	$ 1.69	$ 0.62
Equity awards excluded from diluted net income per share because their effect would have been anti-dilutive (in shares)	13	0	15	24