Revenue - Sales From Merchandise Category (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2026	Feb. 01, 2025	Feb. 03, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 21,764	$ 22,293	$ 23,092
Other revenue	857	713	774
Total revenue	22,621	23,006	23,866
Women’s Accessories, Shoes, Cosmetics and Fragrances
Disaggregation of Revenue [Line Items]
Net sales	9,128	9,333	9,520
Women’s Apparel
Disaggregation of Revenue [Line Items]
Net sales	4,764	4,826	4,861
Men’s and Kids’
Disaggregation of Revenue [Line Items]
Net sales	4,659	4,753	4,918
Home/Other
Disaggregation of Revenue [Line Items]
Net sales	3,213	3,381	3,793
Credit Card Revenues, Net
Disaggregation of Revenue [Line Items]
Other revenue	669	537	619
Macy's Media Network Revenue, Net
Disaggregation of Revenue [Line Items]
Other revenue	$ 188	$ 176	$ 155