Revenue - Sources of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 30, 2021	Jul. 31, 2020	Jul. 30, 2021	Jul. 31, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 27,570	$ 27,302	$ 51,993	$ 46,977
Products
Disaggregation of Revenue [Line Items]
Net sales	26,365	26,359	49,887	45,380
Services
Disaggregation of Revenue [Line Items]
Net sales	629	508	1,209	907
Other
Disaggregation of Revenue [Line Items]
Net sales	$ 576	$ 435	$ 897	$ 690