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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2026
Disaggregation of Revenue [Abstract] |
Disaggregation of Revenue | The following tables present our reportable segment revenues, disaggregated by revenue source (dollar amounts in millions):
| Three Months Ended March 31, |  |
| 2026 |  | 2025 |  |  |  |
Siding | $ | 359 |  |  | $ | 400 |  |  |  |  |
Other | 1 |  |  | 3 |  |  |  |  |
Net sales attributable to Siding | 360 |  |  | 402 |  |  |  |  |
OSB - Structural Solutions | 92 |  | 143 |  |  |  |
OSB - Commodity | 73 |  | 120 |  |  |  |
Other | 3 |  | 5 |  |  |  |
Net sales attributable to OSB | 168 |  |  | 267 |  |  |  |  |
Other | 46 |  | 54 |  |  |  |
Total Sales | $ | 574 |  |  | $ | 724 |  |  |  |  |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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