Revenue - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 03, 2024	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Disaggregation of Revenue [Line Items]
Percentage of net sales revenue	97.00%	96.00%	96.00%
Macy's sales to total company sales	86.00%	87.00%	88.00%
Percentage of digital sales	33.00%	33.00%	35.00%
Contract with customer, refund liability	$ 136	$ 236
Contract with customer, right to recover product	83	152
Contract with customer, liability, current	384	399	$ 481	$ 616
Breakage income related to changes in breakage rate estimates	0	15
Other revenue	619	863	832
Amount received under agreement	$ 722	$ 978	$ 950
Credit Card Intermediary
Disaggregation of Revenue [Line Items]
Agreement renewal option number of years	3 years

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% of Macy's sales to entire Company sales

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Percentage of digital sales to net sales.

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Percentage of Net Sales to Total Revenue

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