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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table is a reconciliation of weighted-average shares for calculating basic and diluted earnings (loss) per-share (in millions, except per share amounts):
| Twelve Months Ended December 31,
| 2022 |  | 2021 |  | 2020
Net earnings (loss) attributable to Owens Corning | $ | 1,241 |  |  | $ | 995 |  |  | $ | (383) |
Weighted-average number of shares outstanding used for basic earnings (loss) per share | 96.6 |  |  | 103.5 |  |  | 108.6 |
Non-vested restricted and performance shares | 1.1 |  |  | 0.8 |  |  | — |
Weighted-average number of shares outstanding and common equivalent shares used for diluted earnings (loss) per share | 97.7 |  |  | 104.3 |  |  | 108.6 |
Earnings (loss) per common share attributable to Owens Corning common stockholders: |  |  |  |  |
Basic | $ | 12.85 |  |  | $ | 9.61 |  |  | $ | (3.53) |
Diluted | $ | 12.70 |  |  | $ | 9.54 |  |  | $ | (3.53) |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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