Revenue (Details) - USD ($) $ in Millions	3 Months Ended
May 04, 2019	May 05, 2018	Feb. 02, 2019
Net sales	$ 5,504	$ 5,541
Contract with Customer, Liability, Current	$ 696	$ 736	$ 856
Macy's sales to total Company sales	88.00%	88.00%
Contract with Customer, Refund Liability	$ 294	$ 298	269
Contract with Customer, Right to Recover Product	200	204	$ 188
Women's Accessories, Intimate Apparel, Shoes and Cosmetics [Member]
Net sales	2,152	2,159
Women's Apparel [Member]
Net sales	1,313	1,351
Men's and Children's [Member]
Net sales	1,202	1,174
Home and Miscellaneous [Member]
Net sales	837	857
Total Sales - All Categories [Member]
Net sales	$ 5,504	$ 5,541

% of Macy's sales to total Company sales

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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

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