Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 724	$ 584
Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	361	331
OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	313	189
Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	3	8
South America
Disaggregation of Revenue [Line Items]
Net sales	47	55
Value-add [Member]
Disaggregation of Revenue [Line Items]
Net sales	579	487
Value-add [Member] | Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	359	329
Value-add [Member] | OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	174	104
Value-add [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Value-add [Member] | South America
Disaggregation of Revenue [Line Items]
Net sales	46	54
Value-add [Member] | SmartSide siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	366	337
Value-add [Member] | SmartSide siding [Member] | Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	359	329
Value-add [Member] | SmartSide siding [Member] | OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Value-add [Member] | SmartSide siding [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Value-add [Member] | SmartSide siding [Member] | South America
Disaggregation of Revenue [Line Items]
Net sales	7	8
Value-add [Member] | OSB -Structural Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	213	150
Value-add [Member] | OSB -Structural Solutions [Member] | Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Value-add [Member] | OSB -Structural Solutions [Member] | OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	174	104
Value-add [Member] | OSB -Structural Solutions [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Value-add [Member] | OSB -Structural Solutions [Member] | South America
Disaggregation of Revenue [Line Items]
Net sales	38	46
Commodity | OSB - commodity [Member]
Disaggregation of Revenue [Line Items]
Net sales	134	83
Commodity | OSB - commodity [Member] | Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Commodity | OSB - commodity [Member] | OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	134	83
Commodity | OSB - commodity [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Commodity | OSB - commodity [Member] | South America
Disaggregation of Revenue [Line Items]
Net sales	0	0
Other Product Types | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	12	14
Other Product Types | Other [Member] | Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	2	2
Other Product Types | Other [Member] | OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	5	2
Other Product Types | Other [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	3	8
Other Product Types | Other [Member] | South America
Disaggregation of Revenue [Line Items]
Net sales	$ 2	$ 1