Basis of Presentation - Additional Information (Details)	3 Months Ended						9 Months Ended
	Oct. 31, 2020 USD ($)	Aug. 01, 2020 USD ($)	May 02, 2020 USD ($)	Nov. 02, 2019 USD ($)	Aug. 03, 2019 USD ($) Store	May 04, 2019 USD ($) Store	Oct. 31, 2020 USD ($)	Nov. 02, 2019 USD ($)	Feb. 01, 2020 USD ($)
Basis Of Presentation [Line Items]
Net proceeds from sale of properties after fees							$ 194,000,000
Gain on sales of real estate							127,000,000
Operating lease right of use asset	$ 2,422,000,000			$ 2,427,000,000			2,422,000,000	$ 2,427,000,000	$ 2,391,000,000
Gain on extinguishment of debt				9,000,000				9,000,000
Impairment charges of property and equipment and other long-lived assets					$ 10,000,000	$ 49,000,000
Number of stores closed | Store					4	4
Assets held for sale reclassified to assets to be held and used	22,000,000
Assets held for sale	$ 0						$ 0
Accounting Standards Update 2016-13 [Member]
Basis Of Presentation [Line Items]
Change in accounting principle, accounting standards update, adopted	true						true
Change in accounting principle, accounting standards update, immaterial effect	true						true
Accounting Standards Update 2018-15 [Member]
Basis Of Presentation [Line Items]
Change in accounting principle, accounting standards update, adopted	true						true
Change in accounting principle, accounting standards update, immaterial effect	true						true
Covid 19 [Member]
Basis Of Presentation [Line Items]
Merchandise inventories reserve	$ 0		$ 163,000,000	$ 0			$ 0	$ 0
Impairment charges of property and equipment and other long-lived assets			$ 51,000,000
San Bernardino [Member] | E-commerce Fulfillment and Distribution Centers [Member]
Basis Of Presentation [Line Items]
Proceeds from sale of properties gross		$ 195,000,000
Net proceeds from sale of properties after fees		193,000,000
Gain on sales of real estate		127,000,000
Operating lease liability		84,000,000
Operating lease right of use asset		$ 84,000,000