Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 852	$ 1,018	$ 3,149	$ 3,080
Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	394	312	1,083	889
OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	388	600	1,805	1,917
Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	17	30	72	73
South America
Disaggregation of Revenue [Line Items]
Net sales	53	76	190	203
Intersegment
Disaggregation of Revenue [Line Items]
Net sales	1	(1)	2	2
Value-add [Member]
Disaggregation of Revenue [Line Items]
Net sales	650	691	2,262	1,991
Value-add [Member] | Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	393	310	1,079	879
Value-add [Member] | OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	205	307	995	912
Value-add [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Value-add [Member] | South America
Disaggregation of Revenue [Line Items]
Net sales	53	75	190	200
Value-add [Member] | Intersegment
Disaggregation of Revenue [Line Items]
Net sales	0	0	2	0
Value-add [Member] | SmartSide siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	399	319	1,097	908
Value-add [Member] | SmartSide siding [Member] | Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	393	310	1,079	879
Value-add [Member] | SmartSide siding [Member] | OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Value-add [Member] | SmartSide siding [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Value-add [Member] | SmartSide siding [Member] | South America
Disaggregation of Revenue [Line Items]
Net sales	6	9	18	29
Value-add [Member] | SmartSide siding [Member] | Intersegment
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Value-add [Member] | OSB -Structural Solutions [Member]
Disaggregation of Revenue [Line Items]
Net sales	251	372	1,165	1,082
Value-add [Member] | OSB -Structural Solutions [Member] | Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Value-add [Member] | OSB -Structural Solutions [Member] | OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	205	307	995	912
Value-add [Member] | OSB -Structural Solutions [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Value-add [Member] | OSB -Structural Solutions [Member] | South America
Disaggregation of Revenue [Line Items]
Net sales	47	65	172	171
Value-add [Member] | OSB -Structural Solutions [Member] | Intersegment
Disaggregation of Revenue [Line Items]
Net sales	0	0	2	0
Commodity | OSB - commodity [Member]
Disaggregation of Revenue [Line Items]
Net sales	180	290	801	997
Commodity | OSB - commodity [Member] | Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Commodity | OSB - commodity [Member] | OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	180	290	801	997
Commodity | OSB - commodity [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Commodity | OSB - commodity [Member] | South America
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Commodity | OSB - commodity [Member] | Intersegment
Disaggregation of Revenue [Line Items]
Net sales	0	0	1	0
Other Product Types | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	22	38	86	(2)
Other Product Types | Other [Member] | Siding [Member]
Disaggregation of Revenue [Line Items]
Net sales	1	3	4	9
Other Product Types | Other [Member] | OSB [Member]
Disaggregation of Revenue [Line Items]
Net sales	3	4	9	9
Other Product Types | Other [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	17	30	72	73
Other Product Types | Other [Member] | South America
Disaggregation of Revenue [Line Items]
Net sales	0	2	0	3
Other Product Types | Other [Member] | Intersegment
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ (1)	$ 0	$ 2