Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v2.4.1.9
Document and Entity Information (USD $)
12 Months Ended
Jan. 31, 2015
Feb. 27, 2015
Aug. 02, 2014
Document Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jan. 31, 2015    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Trading Symbol M    
Entity Registrant Name Macy's, Inc.    
Entity Central Index Key 0000794367    
Current Fiscal Year End Date --01-31    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   341,139,919dei_EntityCommonStockSharesOutstanding  
Entity Well-known Seasoned Issuer Yes    
Entity Public Float     $ 20,465,660,000dei_EntityPublicFloat
Entity Current Reporting Status Yes    
Entity Voluntary Filers No