Property and Leases (Narrative) (Details) - USD ($) $ in Billions	3 Months Ended
	May 05, 2019	Feb. 03, 2019
Property and Leases [Abstract]
Accumulated Depreciation and Amortization	$ 20.9	$ 20.6
Lessor, Lease, Description [Line Items]
Lessee, Leases, Not Yet Commenced, Undiscounted	$ 1.0
Maximum [Member]
Lessor, Lease, Description [Line Items]
Lessee, Operating and Finance Leases, Term of Contract	20 years
Lessee, Operating and Finance Leases, Option to Extend	5 years
Lessee, Leases, Operating and Finance Leases, Option to Terminate	5 years
Lessee, Leases, Not Yet Commenced, Terms of Contract	20 years
Minimum [Member]
Lessor, Lease, Description [Line Items]
Lessee, Operating and Finance Leases, Term of Contract	1 year
Lessee, Leases, Not Yet Commenced, Terms of Contract	1 year