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Revenue (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 30, 2021 | Oct. 31, 2020 | Aug. 01, 2020 | May 02, 2020 | Feb. 01, 2020 | Nov. 02, 2019 | Aug. 03, 2019 | May 04, 2019 | Jan. 30, 2021 | Feb. 01, 2020 | Feb. 02, 2019 | Feb. 27, 2021 | Feb. 03, 2018
Net sales | $ 6,780 | $ 3,990 | $ 3,559 | $ 3,017 | $ 8,337 | $ 5,173 | $ 5,546 | $ 5,504 | $ 17,346 | $ 24,560 | $ 24,971 |  |
Contract with Customer, Liability, Current | 616 |  |  |  | 839 |  |  |  | $ 616 | $ 839 | $ 856 |  | $ 906
Macy's sales to total Company sales |  |  |  |  |  |  |  |  | 89.00% | 88.00% | 89.00% |  |
Percentage of digital sales |  |  |  |  |  |  |  |  | 44.00% | 25.00% | 23.00% |  |
Contract with Customer, Refund Liability | 159 |  |  |  | 213 |  |  |  | $ 159 | $ 213 |  |  |
Contract with Customer, Right to Recover Product | 103 |  |  |  | 147 |  |  |  | 103 | 147 |  |  |
Breakage income related to changes in breakage rate estimates |  |  |  |  |  |  |  |  | 30 |  | $ 40 |  |
Credit card revenues, net | $ 258 | $ 195 | $ 168 | $ 131 | $ 239 | $ 183 | $ 176 | $ 172 | 751 | 771 | 768 |  |
Amount Received Under Agreement |  |  |  |  |  |  |  |  | $ 882 | $ 985 | $ 966 |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Sales decrease benchmark percentage |  |  |  |  |  |  |  |  | 34.00% |  |  |  |
Minimum [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Sales decrease percentage |  |  |  |  |  |  |  |  |  |  |  | 34.00% |
Credit Card Intermediary [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Agreement Renewal Option Number of Years |  |  |  |  |  |  |  |  | 3 years |  |  |  |

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