Revenue (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 30, 2022	May 01, 2021	Jan. 29, 2022
Macy's sales to total Company sales	86.00%	87.00%
Percentage of digital sales	33.00%	37.00%
Contract with Customer, Refund Liability	$ 245	$ 225	$ 198
Contract with Customer, Right to Recover Product	144	136	120
Contract with Customer, Liability, Current	$ 428	$ 580	$ 481
Credit Card Intermediary [Member]
Agreement Renewal Option Number Of Years	3 years

Agreement Renewal Option Number of Years

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- Definition

% of Macy's sales to entire Company sales

+ References

No definition available.

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- Definition

Percentage of digital sales to net sales.

+ References

No definition available.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045

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- Definition

Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 55
-Paragraph 27
-URI http://asc.fasb.org/extlink&oid=123410239&loc=SL49130611-203046-203046

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- Definition

Amount of right to recover product from customer on settling refund liability.

+ References

+ Details

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