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Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance | $ 19 | $ 19 |
Asset Impairment Charges | 0 | 0 |
Goodwill | 19 | 19 | $ 19
Intangible Assets, Net (Excluding Goodwill) | 32 | 45 |
Amortization of Intangible Assets | (3) | (4) | (5)
Intangible Assets, Net (Excluding Goodwill) | 30 | 32 | 45
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months | 3 |  |
Impairment of Intangible Assets, Finite-Lived |  | (9) |
Finite-lived Intangible Assets Acquired | $ 1 |  |
Maximum | Timber [Member] |  |  |
Goodwill [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 25 years |  |
Minimum [Member] | Timber [Member] |  |  |
Goodwill [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 20 years |  |
Licensing Agreements [Member] |  |  |
Goodwill [Line Items] |  |  |
Intangible Assets, Net (Excluding Goodwill) | $ 25 | 28 |
Amortization of Intangible Assets | (3) | (3) |
Intangible Assets, Net (Excluding Goodwill) | 23 | 25 | 28
Impairment of Intangible Assets, Finite-Lived |  | 0 |
Finite-lived Intangible Assets Acquired | 1 |  |
Licensing Agreements [Member] | CANADA |  |  |
Goodwill [Line Items] |  |  |
Intangible Assets, Net (Excluding Goodwill) | 69 |  |
Trademarks [Member] |  |  |
Goodwill [Line Items] |  |  |
Intangible Assets, Net (Excluding Goodwill) | 0 | 2 |
Amortization of Intangible Assets | 0 | 0 |
Intangible Assets, Net (Excluding Goodwill) | 0 | 0 | 2
Impairment of Intangible Assets, Finite-Lived |  | (2) |
Finite-lived Intangible Assets Acquired | 0 |  |
Developed Technology Rights |  |  |
Goodwill [Line Items] |  |  |
Intangible Assets, Net (Excluding Goodwill) | 7 | 15 |
Amortization of Intangible Assets | (1) | (1) |
Intangible Assets, Net (Excluding Goodwill) | 7 | 7 | 15
Impairment of Intangible Assets, Finite-Lived |  | (7) |
Finite-lived Intangible Assets Acquired | 0 |  |
Siding |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance | 4 | 4 |
Asset Impairment Charges | 0 | 0 |
Goodwill | 4 | 4 | 4
OSB |  |  |
Goodwill [Line Items] |  |  |
Goodwill, Beginning Balance | 16 | 16 |
Asset Impairment Charges | 0 | 0 |
Goodwill | 16 | $ 16 | $ 16
Entreka [Member] |  |  |
Goodwill [Line Items] |  |  |
Asset Impairment Charges | $ (9) |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details
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- Definition Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 + Details
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482548/350-20-55-24 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(15)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482598/350-20-45-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482573/350-20-50-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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