Document and Entity Information - shares |
9 Months Ended | |
|---|---|---|
Sep. 30, 2015 |
Oct. 15, 2015 |
|
| Document and Entity Information [Abstract] | ||
| Entity Registrant Name | Owens Corning | |
| Entity Central Index Key | 0001370946 | |
| Current Fiscal Year End Date | --12-31 | |
| Entity Filer Category | Large Accelerated Filer | |
| Document Type | 10-Q | |
| Document Period End Date | Sep. 30, 2015 | |
| Document Fiscal Year Focus | 2015 | |
| Document Fiscal Period Focus | Q3 | |
| Entity Well Known Seasoned Issuer | Yes | |
| Entity Voluntary Filers | No | |
| Entity Current Reporting Status | Yes | |
| Amendment Flag | false | |
| Entity Common Stock Shares Outstanding | 116,585,687 |