Revenue - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	Jan. 28, 2023
Disaggregation of Revenue [Line Items]
Percentage of net sales revenue	96.00%	96.00%
Macy's sales to total company sales percentage	85.00%	86.00%
Percentage of digital sales	32.00%	33.00%
Contract with customer, refund liability	$ 214	$ 245	$ 236
Contract with customer, right to recover product	127	144	152
Contract with customer, liability, current	$ 360	$ 428	$ 399
Credit Card Intermediary
Disaggregation of Revenue [Line Items]
Agreement renewal option number of years	3 years