Fair Value Disclosures (Other Financial Instruments) (Details) - USD ($)	3 Months Ended			9 Months Ended
	Oct. 31, 2020	Aug. 01, 2020	Aug. 03, 2019	Oct. 31, 2020	Feb. 01, 2020	Nov. 02, 2019
Fair Value Disclosures [Abstract]
Total debt, excluding unamortized debt issuance costs, finance leases and note payable, Fair Value	$ 2,517,000,000			$ 2,517,000,000	$ 2,464,000,000	$ 2,993,000,000
Total debt, excluding unamortized debt issuance costs, finance leases and note payable, carrying amount	5,453,000,000			5,453,000,000	3,758,000,000	4,198,000,000
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of long-lived assets impaired, fair value disclosure	68,000,000	$ 162,000,000	$ 22,000,000	68,000,000
Assets, Fair Value Disclosure	42,000,000	113,000,000	8,000,000	42,000,000
Asset Impairment Charges	28,000,000	97,000,000	14,000,000
Carrying value of right-of-use assets impaired, fair value disclosure	12,000,000	140,000,000	58,000,000	12,000,000
Right-of-use assets, fair value disclosure	10,000,000	92,000,000	$ 19,000,000	10,000,000
Fair Value, Concentration of Risk, Investments	0			$ 0
Indefinite-lived Intangible Assets Acquired		275,000,000
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure		233,000,000
Document Period End Date				Oct. 31, 2020
Long-term debt, outstanding principal	5,453,000,000			$ 5,453,000,000	3,758,000,000	4,198,000,000
Total debt, excluding unamortized debt issuance costs, finance leases and note payable, Fair Value	2,517,000,000			$ 2,517,000,000	$ 2,464,000,000	$ 2,993,000,000
Long-lived Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges	26,000,000	49,000,000
Right of Use Lease Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges	$ 2,000,000	48,000,000
Indefinite-lived Intangible Assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges		$ 42,000,000