Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 19	$ 19
Asset Impairment Charges	0	0
Goodwill	19	19	$ 19
Intangible Assets, Net (Excluding Goodwill)	45	49
Amortization of Intangible Assets	(4)	(5)	(5)
Intangible Assets, Net (Excluding Goodwill)	32	45	49
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 3
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)	$ 28	30
Amortization of Intangible Assets	(3)	(3)
Intangible Assets, Net (Excluding Goodwill)	25	28	30
Impairment of Intangible Assets, Finite-Lived	0
Licensing Agreements [Member] | CANADA
Goodwill [Line Items]
Intangible Assets, Net (Excluding Goodwill)	91
Trademarks [Member]
Goodwill [Line Items]
Intangible Assets, Net (Excluding Goodwill)	2	2
Amortization of Intangible Assets	0	0
Intangible Assets, Net (Excluding Goodwill)	0	2	2
Impairment of Intangible Assets, Finite-Lived	2
Developed Technology Rights
Goodwill [Line Items]
Intangible Assets, Net (Excluding Goodwill)	15	17
Amortization of Intangible Assets	(1)	(2)
Intangible Assets, Net (Excluding Goodwill)	7	15	17
Impairment of Intangible Assets, Finite-Lived	7
Other Intangible Assets
Goodwill [Line Items]
Impairment of Intangible Assets, Finite-Lived	9
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)