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% of Macy's sales to entire Company sales

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Percentage of digital sales to net sales.

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Sales decrease percentage rolling twelve months under credit program agreement.

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Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained.

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Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer.

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Amount of right to recover product from customer on settling refund liability.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Revenue (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
Revenue (Narrative) (Details) - USD ($) $ in Millions	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