v3.26.1
Selected Segment Data - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Net sales $ 664 $ 755 $ 1,239 $ 1,478
Cost of sales (549) (577) (1,008) (1,103)
Selling, general, and administrative expenses (80) (79) (158) (154)
Depreciation and amortization     77 70
Siding        
Segment Reporting [Line Items]        
Net sales 441 460 801 862
OSB        
Segment Reporting [Line Items]        
Net sales 182 250 350 517
Operating Segments        
Segment Reporting [Line Items]        
Net sales 623 710 1,151 1,379
Reportable segment Adjusted EBITDA 92 143 181 303
Operating Segments | Siding        
Segment Reporting [Line Items]        
Net sales 441 460 801 862
Cost of sales (308) (314) (552) (590)
Selling, general, and administrative expenses (44) (44) (83) (85)
Depreciation and amortization 22 20 44 40
Other segment items 2 2 4 3
Reportable segment Adjusted EBITDA 113 125 214 230
Operating Segments | OSB        
Segment Reporting [Line Items]        
Net sales 182 250 350 517
Cost of sales (200) (229) (379) (440)
Selling, general, and administrative expenses (17) (18) (34) (34)
Depreciation and amortization 13 13 28 26
Other segment items 1 2 2 3
Reportable segment Adjusted EBITDA (21) 19 (33) 73
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment        
Segment Reporting [Line Items]        
Net sales $ 41 $ 45 $ 87 $ 99