Quarterly report pursuant to Section 13 or 15(d)

          Document and Entity Information

          v3.7.0.1
          Document and Entity Information - shares
          3 Months Ended
          Apr. 29, 2017
          May 26, 2017
          Document and Entity Information [Abstract]    
          Document Type 10-Q  
          Amendment Flag false  
          Document Period End Date Apr. 29, 2017  
          Document Fiscal Year Focus 2017  
          Document Fiscal Period Focus Q1  
          Trading Symbol M  
          Entity Registrant Name Macy's, Inc.  
          Entity Central Index Key 0000794367  
          Current Fiscal Year End Date --02-03  
          Entity Filer Category Large Accelerated Filer  
          Entity Common Stock, Shares Outstanding   304,506,714
          一本道mw高清码二区三区