v3.26.1
Selected Segment Data - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting [Line Items]    
Revenues from external customers $ 574 $ 724
Cost of sales (459) (526)
Selling, general, and administrative expenses (78) (75)
Depreciation and amortization 38 35
Siding    
Segment Reporting [Line Items]    
Revenues from external customers 360 402
OSB    
Segment Reporting [Line Items]    
Revenues from external customers 168 267
Operating Segments    
Segment Reporting [Line Items]    
Revenues from external customers 528 669
Reportable segment Adjusted EBITDA 89 160
Operating Segments | Siding    
Segment Reporting [Line Items]    
Revenues from external customers 360 402
Cost of sales (244) (276)
Selling, general, and administrative expenses (39) (42)
Depreciation and amortization 22 20
Other charges 2 1
Reportable segment Adjusted EBITDA 101 106
Operating Segments | OSB    
Segment Reporting [Line Items]    
Revenues from external customers 168 267
Cost of sales (179) (211)
Selling, general, and administrative expenses (17) (16)
Depreciation and amortization 14 13
Other charges 1 1
Reportable segment Adjusted EBITDA (12) 54
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment    
Segment Reporting [Line Items]    
Revenues from external customers $ 46 $ 54