Document and Entity Information - Aug. 01, 2015 - shares	Total
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Aug. 01, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Trading Symbol	M
Entity Registrant Name	Macy's, Inc.
Entity Central Index Key	0000794367
Current Fiscal Year End Date	--01-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	330,982,967