Revenue - Sales From Merchandise Category (Details) - USD ($) $ in Millions	3 Months Ended
	May 04, 2024	Apr. 29, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 4,846	$ 4,982
Other Revenue	154	191
Total revenue	5,000	5,173
Women's Accessories, Shoes, Cosmetics and Fragrances
Disaggregation of Revenue [Line Items]
Net sales	2,070	2,025
Women's Apparel
Disaggregation of Revenue [Line Items]
Net sales	1,145	1,150
Men's and Kids'
Disaggregation of Revenue [Line Items]
Net sales	981	1,018
Home/Other
Disaggregation of Revenue [Line Items]
Net sales	650	789
Credit card revenues, net
Disaggregation of Revenue [Line Items]
Other Revenue	117	162
Macy's Media Network revenue, net
Disaggregation of Revenue [Line Items]
Other Revenue	$ 37	$ 29