Segment Information - Product Segments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 2,941	$ 2,581	$ 3,854
Cost of sales	(2,110)	(1,988)	(2,355)
Selling, general, and administrative expenses	(291)	(257)	(264)
Depreciation and amortization	126	119	129
Segment Reporting, Other Segment Item, Amount	22	23	25
Adjusted EBITDA	688	478	1,389
Operating Segments
Segment Reporting Information [Line Items]
Net sales	2,932	2,559	3,772
Cost of sales	(2,098)	(1,945)	(2,249)
Selling, general, and administrative expenses	(238)	(206)	(205)
Depreciation and amortization	126	118	125
Segment Reporting, Other Segment Item, Amount	8	5	7
Adjusted EBITDA	730	531	1,450
Operating Segments | Siding
Segment Reporting Information [Line Items]
Net sales	1,558	1,328	1,469
Cost of sales	(1,092)	(1,005)	(1,061)
Selling, general, and administrative expenses	(155)	(125)	(120)
Depreciation and amortization	74	67	46
Segment Reporting, Other Segment Item, Amount	5	3	4
Adjusted EBITDA	390	269	339
Operating Segments | OSB
Segment Reporting Information [Line Items]
Net sales	1,184	1,026	2,062
Cost of sales	(872)	(789)	(1,035)
Selling, general, and administrative expenses	(62)	(61)	(65)
Depreciation and amortization	45	43	71
Segment Reporting, Other Segment Item, Amount	3	2	2
Adjusted EBITDA	298	220	1,034
Operating Segments | LPSA
Segment Reporting Information [Line Items]
Net sales	190	205	241
Cost of sales	(134)	(151)	(153)
Selling, general, and administrative expenses	(20)	(20)	(20)
Depreciation and amortization	6	7	8
Segment Reporting, Other Segment Item, Amount	0	0	1
Adjusted EBITDA	42	42	77
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Segment Reporting Information [Line Items]
Net sales	9	22	81
Cost of sales	(12)	(42)	(106)
Selling, general, and administrative expenses	(54)	(52)	(59)
Depreciation and amortization	0	1	4
Segment Reporting, Other Segment Item, Amount	14	18	19
Adjusted EBITDA	$ (42)	$ (53)	$ (61)