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Pension and Other Postretirement Benefits - Postretirement Assumptions and Trends (Details) - Postemployment Retirement Benefits
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Weighted average assumptions used to determine the company's obligations      
Discount rate 7.75% 7.37%  
Weighted average assumptions used to determine the company's net periodic benefit cost      
Discount rate 7.37% 7.30% 4.22%
U.S. Plans      
Assumptions used in measuring benefit obligation      
2024 increase in per capita cost 8.40%    
Ultimate trend 4.50%    
Year ultimate trend reached 2034    
Canada      
Assumptions used in measuring benefit obligation      
2024 increase in per capita cost 5.25%    
Ultimate trend 4.05%    
Year ultimate trend reached 2040    
Brazil      
Assumptions used in measuring benefit obligation      
2024 increase in per capita cost 8.42%    
Ultimate trend 8.42%    
Year ultimate trend reached 2024