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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Aug. 01, 2020 | Aug. 01, 2020
Goodwill impairment, COVID-19 |  | $ 3,080
Macy's Reporting Unit |  |
Goodwill impairment, COVID-19 | $ 10 | 2,982
Bluemercury Reporting Unit |  |
Goodwill impairment, COVID-19 |  | $ 98

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