Revenue - Sales From Merchandise Category (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 01, 2026	Aug. 02, 2025	Aug. 01, 2026	Aug. 02, 2025
Disaggregation of Revenue [Line Items]
Net sales	$ 4,866	$ 4,812	$ 9,548	$ 9,411
Other Revenue	193	187	403	380
Total revenue	5,059	4,999	9,951	9,791
Women's Accessories, Shoes, Cosmetics and Fragrances
Disaggregation of Revenue [Line Items]
Net sales	1,986	1,954	3,972	3,896
Women's Apparel
Disaggregation of Revenue [Line Items]
Net sales	1,109	1,094	2,251	2,192
Men's and Kids'
Disaggregation of Revenue [Line Items]
Net sales	1,048	1,028	2,013	1,980
Home/Other
Disaggregation of Revenue [Line Items]
Net sales	723	736	1,312	1,343
Credit card revenues, net
Disaggregation of Revenue [Line Items]
Other Revenue	156	153	328	306
Macy's Media Network revenue, net
Disaggregation of Revenue [Line Items]
Other Revenue	$ 37	$ 34	$ 75	$ 74