Revenue - Sales From Merchandise Category (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 02, 2025	Aug. 03, 2024	Aug. 02, 2025	Aug. 03, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 4,812	$ 4,937	$ 9,411	$ 9,783
Other Revenue	187	159	380	313
Total revenue	4,999	5,096	9,791	10,096
Women's Accessories, Shoes, Cosmetics and Fragrances
Disaggregation of Revenue [Line Items]
Net sales	1,954	1,990	3,896	4,060
Women's Apparel
Disaggregation of Revenue [Line Items]
Net sales	1,094	1,120	2,192	2,265
Men's and Kids'
Disaggregation of Revenue [Line Items]
Net sales	1,028	1,056	1,980	2,037
Home/Other
Disaggregation of Revenue [Line Items]
Net sales	736	771	1,343	1,421
Credit card revenues, net
Disaggregation of Revenue [Line Items]
Other Revenue	153	125	306	242
Macy's Media Network revenue, net
Disaggregation of Revenue [Line Items]
Other Revenue	$ 34	$ 34	$ 74	$ 71