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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Restructuring, Impairment, Store Closing and Other Costs - Narrative (Details) $ in Millions		3 Months Ended		12 Months Ended
	Feb. 04, 2020 Store	Aug. 01, 2020 USD ($)	May 02, 2020 USD ($)	Jan. 30, 2021 USD ($) Store	Feb. 01, 2020 USD ($) Store	Feb. 02, 2019 USD ($) Store	Feb. 03, 2018 USD ($)
Restructuring Cost And Reserve [Line Items]
Asset Impairments				$ 3,280	$ 197	$ 64
Goodwill impairment, COVID-19				3,080
Tangible Asset Impairment, COVID-19				$ 200
Restructuring expense, COVID-19		$ 154
Number of stores closed \| Store				37	30	10
Planned store closings \| Store	125
Restructuring				$ 224	$ 123	$ 80	$ 80
Macy's Reporting Unit
Restructuring Cost And Reserve [Line Items]
Goodwill impairment, COVID-19			$ 2,982	2,982
Bluemercury Reporting Unit
Restructuring Cost And Reserve [Line Items]
Goodwill impairment, COVID-19			$ 98	$ 98