v3.26.3
RESTRUCTURING CHARGES, NET - Schedule of Restructuring and Related Costs (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]        
Restructuring charges, net $ 9 $ 342 $ 41 $ 464
Riceboro mill closure costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges, net 0 95 (6) 95
Restructuring reserve, accrual adjustment     (13)  
Severance costs     3  
Other restructuring costs     4  
Riceboro mill closure costs | Location, Statement of Financial Position, Balance [Axis]: us-gaap:EmployeeRelatedLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve 5 12 5 12
Riceboro mill closure costs | Location, Statement of Financial Position, Balance [Axis]: us-gaap:InventoryNet        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve 8 29 8 29
Riceboro mill closure costs | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve 25 54 25 54
Resource and asset realignment - PS EMEA        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges, net (9) 67 13 97
Severance costs (5)   7  
Other restructuring costs (4) 67 6 97
Resource and asset realignment - PS EMEA | Location, Statement of Financial Position, Balance [Axis]: us-gaap:EmployeeRelatedLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve 59 79 59 79
Resource and asset realignment - PS EMEA | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve 46 11 46 11
Resource and asset realignment - PS NA        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges, net 6 45 22 52
Severance costs 1   17  
Other restructuring costs 2 45 2 52
Inventory write-down 3   3  
Resource and asset realignment - PS NA | Location, Statement of Financial Position, Balance [Axis]: us-gaap:EmployeeRelatedLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve 12 46 12 46
Resource and asset realignment - PS NA | Location, Statement of Financial Position, Balance [Axis]: us-gaap:InventoryNet        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve 3   3  
Resource and asset realignment - PS NA | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve 2   2  
Resource realignment - Corporate        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges, net 12   12  
Severance costs 12   12  
Resource realignment - Corporate | Location, Statement of Financial Position, Balance [Axis]: us-gaap:EmployeeRelatedLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve 10   10  
Resource realignment - Corporate | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve $ 2   $ 2  
Red River mill closure costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges, net   0   85
Severance costs       18
Other restructuring costs       41
Inventory write-down       26
Red River mill closure costs | Location, Statement of Financial Position, Balance [Axis]: us-gaap:EmployeeRelatedLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve   7   7
Red River mill closure costs | Location, Statement of Financial Position, Balance [Axis]: us-gaap:InventoryNet        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve   25   25
Red River mill closure costs | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve   36   36
Savannah mill closure costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges, net   135   135
Savannah mill closure costs | Location, Statement of Financial Position, Balance [Axis]: us-gaap:EmployeeRelatedLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve   31   31
Savannah mill closure costs | Location, Statement of Financial Position, Balance [Axis]: us-gaap:InventoryNet        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve   38   38
Savannah mill closure costs | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent        
Restructuring Cost and Reserve [Line Items]        
Restructuring reserve   $ 66   $ 66