Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information (USD $)
12 Months Ended
Feb. 02, 2013
Jul. 28, 2012
Document and Entity Information [Abstract]    
Document Type 10-K  
Amendment Flag false  
Document Period End Date Feb. 02, 2013  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus FY  
Entity Registrant Name J C PENNEY CO INC  
Entity Central Index Key 0001166126  
Current Fiscal Year End Date --02-02  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Public Float   $ 3,570,280,064
Entity Common Stock, Shares Outstanding 219,754,016  
Trading Symbol jcp