Leases (Components of Lease Cost) (Details) $ in Millions	3 Months Ended
	May 04, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 195	[1],[2]
Depreciation of lease assets	3	[2]
Interest on lease liabilities	1
Variable lease cost	67	[2]
Sublease income	(4)
Total lease cost	$ 262

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

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