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Impairment, Restructuring and Other Costs - Narrative (Details)
$ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2020
Headcount
Aug. 01, 2020
USD ($)
Jan. 28, 2023
USD ($)
Jan. 29, 2022
USD ($)
Jan. 30, 2021
USD ($)
Restructuring Cost And Reserve [Line Items]          
Asset Impairments     $ 15 $ 6 $ 3,280
Goodwill impairment, COVID-19         3,080
Tangible asset impairment, COVID-19         200
Headcount reduction, COVID-19 | Headcount 3,900        
Expense for severance, COVID-19   $ 154      
Macy's Reporting Unit          
Restructuring Cost And Reserve [Line Items]          
Goodwill impairment, COVID-19         2,982
Bluemercury Reporting Unit          
Restructuring Cost And Reserve [Line Items]          
Goodwill impairment, COVID-19         $ 98