Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v2.4.0.6
Document and Entity Information (USD $)
12 Months Ended
Jan. 28, 2012
Mar. 19, 2012
Jul. 30, 2011
Document and Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jan. 28, 2012    
Document Fiscal Year Focus 2011    
Document Fiscal Period Focus FY    
Entity Registrant Name J C PENNEY CO INC    
Entity Central Index Key 0001166126    
Current Fiscal Year End Date --01-28    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 4,623,250,578
Entity Common Stock, Shares Outstanding   218,299,029