Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Feb. 03, 2018
May 25, 2018
Jul. 29, 2017
Document and Entity Information [Abstract]      
Entity Registrant Name J C PENNEY CO INC    
Entity Central Index Key 0001166126    
Current Fiscal Year End Date --02-02    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Feb. 03, 2018    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Amendment Flag true    
Amendment Description The sole purpose of this Amendment No. 1 is to provide a corrected version of KPMG LLP’s report contained in Part II, Item 8 of the form 10-K to include a paragraph that was inadvertently omitted from such report.    
Entity Common Stock, Shares Outstanding   312,215,072  
Trading Symbol jcp    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 1,716,555,230