v3.26.3
SEGMENT INFORMATION - Total Assets and Property, Plant and Equipment by Geographic Region (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Segment Reporting Information [Line Items]    
Total Assets $ 11,847 $ 12,980
Deferred Income Tax Assets, Net 15 10
Property, plant and equipment, net 4,204 4,170
Continuing Operations    
Segment Reporting Information [Line Items]    
Total Assets 11,847 12,300
Deferred Income Tax Assets, Net 15 10
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures 28 62
Corporate property, plant and equipment, net 929 878
Property, plant and equipment, net 4,204 4,170
Cash Equivalents, at Carrying Value 179 345
Insulation | Operating Segments | Continuing Operations    
Segment Reporting Information [Line Items]    
Total Assets 4,656 4,548
Roofing | Operating Segments | Continuing Operations    
Segment Reporting Information [Line Items]    
Total Assets 3,536 3,223
Total Segments | Operating Segments | Continuing Operations    
Segment Reporting Information [Line Items]    
Total Assets 10,696 11,005
Doors | Operating Segments | Continuing Operations    
Segment Reporting Information [Line Items]    
Total Assets 2,504 3,234
Europe | Continuing Operations    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net 636 646
Asia Pacific    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net   63
Asia Pacific | Continuing Operations    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net 59  
Other Geographical | Continuing Operations    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net 34 40
North America | Continuing Operations    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net $ 3,475 $ 3,421