Revenue - Sales From Merchandise Category (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 01, 2025	Feb. 03, 2024	Jan. 28, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 22,293	$ 23,092	$ 24,442
Other revenue	713	774	1,007
Total revenue	23,006	23,866	25,449
Women’s Accessories, Shoes, Cosmetics and Fragrances
Disaggregation of Revenue [Line Items]
Net sales	9,333	9,520	9,597
Women’s Apparel
Disaggregation of Revenue [Line Items]
Net sales	4,826	4,861	5,349
Men’s and Kids’
Disaggregation of Revenue [Line Items]
Net sales	4,753	4,918	5,297
Home/Other
Disaggregation of Revenue [Line Items]
Net sales	3,381	3,793	4,199
Credit Card Revenues, Net
Disaggregation of Revenue [Line Items]
Other revenue	537	619	863
Macy's Media Network Revenue, Net
Disaggregation of Revenue [Line Items]
Other revenue	$ 176	$ 155	$ 144