Leases (Components of Lease Cost) (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
		Aug. 03, 2019	Aug. 03, 2019
Leases [Abstract]
Operating lease cost	[1],[2]	$ 194	$ 389
Depreciation of lease assets	[2]	4	7
Interest on lease liabilities			1
Variable lease cost	[2]	68	135
Sublease income		(5)	(9)
Total lease cost		$ 261	$ 523

[1] Includes short-term leases, which are immaterial.

[2] Supply chain-related amounts are included in Cost of goods sold.