Basis of Presentation - Additional Information (Details)	3 Months Ended				6 Months Ended
	Aug. 01, 2020 USD ($)	May 02, 2020 USD ($)	Aug. 03, 2019 USD ($) Store	May 04, 2019 USD ($) Store	Aug. 01, 2020 USD ($)	Feb. 01, 2020 USD ($)
Basis Of Presentation [Line Items]
Net proceeds from sale of properties after fees					$ 193,000,000
Gain on sales of real estate	$ 127,000,000				127,000,000
Operating lease right of use asset	2,418,000,000		$ 2,428,000,000		2,418,000,000	$ 2,391,000,000
Impairment charges of property and equipment and other long-lived assets			$ 10,000,000	$ 49,000,000
Number of stores closed | Store			4	4
impairment charge of assets held for sale	2,000,000
Assets held for sale	$ 22,000,000				$ 22,000,000
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
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				84,000,000
Operating lease right of use asset	$ 84,000,000				$ 84,000,000