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Leases (Lease Cost) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
Leases (Lease Cost) (Details) - USD ($) $ in Millions	Nov. 02, 2019	Nov. 03, 2018	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Lessee, Lease, Description [Line Items]
Operating Lease Costs			$ 769
Variable Lease Costs			100
Short-term Lease Costs			30
Total Lease Cost			899
Impairment of Long-Lived Assets Held-for-use	$ 218	$ 81	263	$ 101	$ 0
Operating Lease Asset [Member]
Lessee, Lease, Description [Line Items]
Impairment of Long-Lived Assets Held-for-use			$ 65	$ 0