v3.26.3
ASSETS IMPAIRMENTS AND RESTRUCTURING (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Restructuring Cost and Reserve [Line Items]        
Severance Costs $ 0 $ 14 $ 7 $ 25
Business Exit Costs 0 6 3 17
Restructuring, Settlement and Impairment Provisions 0 20 10 42
Restructuring Charge [Roll Forward]        
Balance at Beginning of Period     34  
Provision / Adjustments     10  
Restructuring Reserve, Accrual Adjustment     0  
Cash Reductions     (26)  
Balance at End of Period 18   18  
Corporate, Non-Segment [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring, Settlement and Impairment Provisions   (20) (10) (42)
Facility Closing [Member]        
Restructuring Charge [Roll Forward]        
Balance at Beginning of Period     8  
Provision / Adjustments     3  
Restructuring Reserve, Accrual Adjustment     0  
Cash Reductions     (7)  
Balance at End of Period 4   4  
Employee Severance [Member]        
Restructuring Charge [Roll Forward]        
Balance at Beginning of Period     26  
Provision / Adjustments     7  
Restructuring Reserve, Accrual Adjustment     0  
Cash Reductions     (19)  
Balance at End of Period $ 14   14  
growth and profitability improvement initiatives | Corporate, Non-Segment [Member]        
Restructuring Cost and Reserve [Line Items]        
Business Exit Costs       8
closure of a performance films production line in Germany | Advanced Materials [Member]        
Restructuring Cost and Reserve [Line Items]        
Severance Costs     3  
Business Exit Costs     3  
Restructuring Charge [Roll Forward]        
Inventory Write-down     3  
Corporate Cost Actions | Corporate, Non-Segment [Member]        
Restructuring Cost and Reserve [Line Items]        
Severance Costs   $ 10 $ 4 $ 20