- Narrative (Details) $ in Millions	3 Months Ended
May 02, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Tangible asset impairment, COVID-19	$ 80
Goodwill impairment, COVID-19	3,070
Macy's Reporting Unit
Restructuring Cost and Reserve [Line Items]
Goodwill impairment, COVID-19	2,972
Bluemercury Reporting Unit
Restructuring Cost and Reserve [Line Items]
Goodwill impairment, COVID-19	$ 98

The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration