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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
May 02, 2020
Jan. 29, 2022
Jan. 30, 2021
Feb. 01, 2020
Finite And Indefinite Lived Intangible Asset [Line Items]        
Goodwill impairment, COVID-19     $ 3,080  
Intangible amortization expense   $ 2 2 $ 3
Capitalized Computer Software, Amortization   238 268 $ 285
Capitalized Computer Software, Gross   $ 1,010 1,136  
Tradenames [Member]        
Finite And Indefinite Lived Intangible Asset [Line Items]        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   20 years    
Computer Software, Intangible Asset [Member]        
Finite And Indefinite Lived Intangible Asset [Line Items]        
Capitalized Computer Software, Gross   $ 129    
Macy's Reporting Unit        
Finite And Indefinite Lived Intangible Asset [Line Items]        
Goodwill impairment, COVID-19 $ 2,982   2,982  
Bluemercury Reporting Unit        
Finite And Indefinite Lived Intangible Asset [Line Items]        
Goodwill impairment, COVID-19 $ 98   $ 98