Long-Term Debt (Details) (USD $)
 0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 1 Months Ended
Jun. 05, 2013
May 22, 2013
Jun. 03, 2013
May 14, 2013
Apr. 30, 2013
Feb. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
May 22, 2013
Interest rate in addition to LIBOR [Member]
Feb. 01, 2014
Interest rate in addition to LIBOR [Member]
Feb. 01, 2014
Premium Paid [Member]
Feb. 01, 2014
Reacquisition Costs [Member]
Feb. 01, 2014
Unamortized Debt Issue Costs [Member]
Aug. 31, 2012
9.0% notes, due 2012 [Member]
Debt Instrument [Line Items]                            
Commencement of cash tender offer, date           Apr. 30, 2013                
Debt instrument, stated interest rate (percent)           7.125%               9.00%
Tender offer per $1,000 principal amount of notes     $ 1,400 $ 1,450 $ 1,350                  
Blocks of $1,000 prinicipal amount of notes for tender offer           1,000                
Consent payment per $1,000 prinicipal amount of notes         50                  
Termination of cash tender offer, date           Jun. 04, 2013                
Extinguishment of debt 2,000,000 243,000,000                        
Debt redemption, percentage of principal redeemed   95.41%                        
Early repayment of senior debt 3,000,000 352,000,000                        
Loss on extinguishment of debt           (114,000,000) 0 0     (110,000,000) (2,000,000) (2,000,000)  
2013 Term Loan Facility, face amount   2,250,000,000.00                        
2013 Term Loan Facility, term   5 years                        
2013 Term Loan Facility, basis spread on variable interest rate                 5.00% 3.00%        
2013 Term Loan Facility, required quarterly principal payment           5,625,000.000                
Payments of long-term debt           $ 256,000,000 $ 230,000,000 $ 0           $ 230,000,000
2013 Term Loan Facility guarantee and security           The 2013 Term Loan Facility is guaranteed by J. C. Penney Company, Inc. and certain subsidiaries of JCP, and is secured by mortgages on certain real estate of JCP and the guarantors, in addition to substantially all other assets of JCP and the guarantors.