| Cover | 12 Months Ended |
| Dec. 31, 2022 | |
| Document Information [Line Items] | |
| Document Type | DEF 14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | Owens Corning |
| Entity Central Index Key | 0001370946 |
| Pay vs Performance Disclosure Unit_pure in Millions | 12 Months Ended | ||
| Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | |
| Pay vs Performance Disclosure [Table] | |||
| Pay vs Performance [Table Text Block] | PAY VERSUS PERFORMANCE The SEC has adopted a rule requiring annual disclosure of pay-versus-performance the S-K. YEAR SUMMARY TABLE TOTAL FOR PEO (1) COMPENSATION AVERAGE SUMMARY COMPENSATION NON-PEO NAMED AVERAGE NON-PEO VALUE OF INITIAL FIXED $100 NET INCOME ADJUSTED TOTAL PEER GROUP (a) (b) (c) (d) (e) (f) (g) (h) (i) 2022 $ 10,979,854 $ 14,107,038 $ 2,946,087 $ 3,808,951 $ 136.88 $ 145.43 $ 1,241 $ 1,758 2021 $ 9,782,143 $ 12,619,790 $ 2,894,244 $ 3,194,386 $ 142.89 $ 194.73 $ 995 $ 1,415 2020 $ 7,549,789 $ 12,670,545 $ 2,029,479 $ 2,840,007 $ 118.16 $ 122.63 $ (383 ) $ 878 Notes to the Pay versus Performance Chart 1) The PEO in each covered year is Mr. Chambers. The Non-PEO whom 2) The amounts shown for Compensation Actually Paid have been calculated in accordance with Item 402(v) of Regulation S-K 3) Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the PEO and the Non-PEO 4) Reconciliation and further information for Adjusted EBIT can be found on page 27 of our 2022 Form 10-K YEAR SUMMARY EXCLUSION OF EXCLUSION OF AND OPTION INCLUSION INCLUSION OF COMPENSATION 2022 $ 10,979,854 $ - $ (6,423,452 ) $ - $ 9,550,636 $ 14,107,038 2021 $ 9,782,143 $ - $ (5,660,783 ) $ - $ 8,498,430 $ 12,619,790 2020 $ 7,549,789 $ - $ (4,766,534 ) $ - $ 9,887,290 $ 12,670,545 YEAR SUMMARY NON-PEO EXCLUSION OF EXCLUSION OF INCLUSION INCLUSION OF COMPENSATION TO NON-PEO NEOs 2022 $ 2,946,087 $ (250 ) $ (1,376,911 ) $ - $ 2,240,025 $ 3,808,951 2021 $ 2,894,244 $ (250 ) $ (1,546,744 ) $ - $ 1,847,135 $ 3,194,386 2020 $ 2,029,479 $ - $ (1,159,115 ) $ - $ 1,969,644 $ 2,840,007 The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables: YEAR YEAR-END FAIR VALUE CHANGE IN FAIR VESTING-DATE CHANGE IN FAIR VALUE VALUE OF TOTAL - 2022 $ 7,161,652 $ 218,075 $ - $ 2,170,909 $ - $ - $ 9,550,636 2021 $ 7,364,673 $ 418,215 $ - $ 715,541 $ - $ - $ 8,498,430 2020 $ 8,838,591 $ 1,065,305 $ - $ (16,606 ) $ - $ - $ 9,887,290 YEAR AVERAGE YEAR-END NON-PEO AVERAGE CHANGE FOR NON-PEO NEOs AVERAGE VESTING-DATE NON-PEO AVERAGE NON-PEO AVERAGE NON-PEO AVERAGE FOR NON- TOTAL - FOR NON- 2022 $ 1,535,144 $ 377,556 $ - $ 327,325 $ - $ - $ 2,240,025 2021 $ 1,830,999 $ (60,681 ) $ - $ 76,817 $ - $ - $ 1,847,135 2020 $ 1,809,361 $ 187,314 $ - $ (27,032 ) $ - $ - $ 1,969,644 | ||
| Company Selected Measure Name | Adjusted EBIT | ||
| Named Executive Officers, Footnote [Text Block] | The PEO in each covered year is Mr. Chambers. The Non-PEO whom | ||
| PEO Total Compensation Amount | $ 10,979,854 | $ 9,782,143 | $ 7,549,789 |
| PEO Actually Paid Compensation Amount | $ 14,107,038 | 12,619,790 | 12,670,545 |
| Adjustment To PEO Compensation, Footnote [Text Block] | YEAR SUMMARY EXCLUSION OF EXCLUSION OF AND OPTION INCLUSION INCLUSION OF COMPENSATION 2022 $ 10,979,854 $ - $ (6,423,452 ) $ - $ 9,550,636 $ 14,107,038 2021 $ 9,782,143 $ - $ (5,660,783 ) $ - $ 8,498,430 $ 12,619,790 2020 $ 7,549,789 $ - $ (4,766,534 ) $ - $ 9,887,290 $ 12,670,545 | ||
| Non-PEO NEO Average Total Compensation Amount | $ 2,946,087 | 2,894,244 | 2,029,479 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 3,808,951 | 3,194,386 | 2,840,007 |
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | YEAR SUMMARY NON-PEO EXCLUSION OF EXCLUSION OF INCLUSION INCLUSION OF COMPENSATION TO NON-PEO NEOs 2022 $ 2,946,087 $ (250 ) $ (1,376,911 ) $ - $ 2,240,025 $ 3,808,951 2021 $ 2,894,244 $ (250 ) $ (1,546,744 ) $ - $ 1,847,135 $ 3,194,386 2020 $ 2,029,479 $ - $ (1,159,115 ) $ - $ 1,969,644 $ 2,840,007 | ||
| Compensation Actually Paid vs. Total Shareholder Return [Text Block] | |||
| Compensation Actually Paid vs. Net Income [Text Block] | |||
| Tabular List [Table Text Block] | TABULAR LIST OF FINANCIAL METRICS USED TO LINK NEO COMPENSATION ACTUALLY PAID TO COMPANY PERFORMANCE Adjus t Adjusted Return on Capital Adjusted Free Cash Flow Conversion | ||
| Total Shareholder Return Amount | $ 136.88 | 142.89 | 118.16 |
| Peer Group Total Shareholder Return Amount | 145.43 | 194.73 | 122.63 |
| Net Income (Loss) | $ 1,241,000,000 | $ 995,000,000 | $ (383,000,000) |
| Company Selected Measure Amount | 1,758 | 1,415 | 878 |
| PEO Name | Mr. Chambers | ||
| Measure [Axis]: 1 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Adjusted EBIT | ||
| Measure [Axis]: 2 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Adjusted Return on Capital | ||
| Measure [Axis]: 3 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Adjusted Free Cash Flow Conversion | ||
| PEO [Member] | Stock Awards And Option Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ (6,423,452) | $ (5,660,783) | $ (4,766,534) |
| PEO [Member] | Equity Values [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 9,550,636 | 8,498,430 | 9,887,290 |
| Non-PEO NEO [Member] | Change In Pension Value [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (250) | (250) | |
| Non-PEO NEO [Member] | Stock Awards And Option Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (1,376,911) | (1,546,744) | (1,159,115) |
| Non-PEO NEO [Member] | Equity Values [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ 2,240,025 | $ 1,847,135 | $ 1,969,644 |
