Document and Entity Information - shares |
9 Months Ended | |
|---|---|---|
Oct. 28, 2017 |
Nov. 24, 2017 |
|
| Document and Entity Information [Abstract] | ||
| Entity Registrant Name | J C PENNEY CO INC | |
| Entity Central Index Key | 0001166126 | |
| Current Fiscal Year End Date | --02-03 | |
| Entity Filer Category | Large Accelerated Filer | |
| Document Type | 10-Q | |
| Document Period End Date | Oct. 28, 2017 | |
| Document Fiscal Year Focus | 2017 | |
| Document Fiscal Period Focus | Q3 | |
| Amendment Flag | false | |
| Entity Common Stock, Shares Outstanding | 311,571,536 | |
| Trading Symbol | jcp |