v3.25.4
Commitments and Contingencies (Details) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2025
Mar. 31, 2025
Loss Contingencies    
Accrual for environmental loss contingencies $ 37 $ 38
Accrual for environmental loss contingencies, current 19  
Antidumping Duties    
Loss Contingencies    
Loss contingency accrual 65  
From 2008 to 2014    
Loss Contingencies    
Contribution for Financing of Social Security, tax credit 43  
From 2015 to 2017    
Loss Contingencies    
Contribution for Financing of Social Security, tax credit 28  
Additional Duties | Antidumping Duties    
Loss Contingencies    
Loss contingency accrual 19  
SEC Schedule, 12-09, Reserve, Environmental Cost    
Loss Contingencies    
Accrual for environmental loss contingencies 15  
BRAZIL    
Loss Contingencies    
Estimated litigation liability 36 $ 34
Restructuring Action    
Loss Contingencies    
Accrual for environmental loss contingencies 3  
Undiscounted Environmental Clean-Up Costs    
Loss Contingencies    
Accrual for environmental loss contingencies 19  
Minimum    
Loss Contingencies    
Range of possible loss 0  
Maximum    
Loss Contingencies    
Range of possible loss $ 121