Related Parties (Details) - EBP 013 - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Investments at fair value	$ 4,538,837	$ 3,934,128
Administrative expense	3,397	3,480
Administrative expense, salaries and benefits	484	466
Master Trust
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Administrative expense	290	290
Money market funds
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Investments at fair value	$ 19,599,000	$ 12,174,000
Macy's, Inc. common stock
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Concentration of investment at fair value to total investments, percentage	3.00%	3.00%

EBP, Administrative Expense, Salaries And Benefits

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- Definition

Percentage of investment at fair value held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), to total investments representing concentration risk at or above applicable threshold.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

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- Definition

Amount of decrease in net asset available for benefit from administrative expense incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
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-Publisher FASB
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- Definition

Fair value of plan interest in master trust held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-18

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-02)
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-Topic 962
-SubTopic 235
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