Exit Activities - Narrative (Details) $ in Millions		3 Months Ended	12 Months Ended
	Aug. 17, 2018 store	Nov. 01, 2019 USD ($) store	Jan. 31, 2020 USD ($)	Feb. 01, 2019 USD ($)	Nov. 02, 2018 store	Oct. 31, 2018 store location
Canada Restructuring
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Costs incurred | $		$ 53	$ 108
Number of stores to be closed		34
Orchard Supply Hardware
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Costs incurred | $				$ 561
Number of stores to be closed	99
Strategic Reassessment Closures
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Costs incurred | $				$ 271
Expected number of stores closed in the U.S.					20	20
Expected number of locations closed in Canada					31	31
Expected number of stores closed in Canada					27	27