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Pension and Other Postretirement Benefits - Postretirement Assumptions and Trends (Details) - Postemployment Retirement Benefits
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Weighted average assumptions used to determine the company's obligations      
Discount rate 7.37% 7.30%  
Weighted average assumptions used to determine the company's net periodic benefit cost      
Discount rate 7.30% 4.22% 3.69%
U.S. Plans      
Assumptions used in measuring benefit obligation      
2023 increase in per capita cost 7.80%    
Ultimate trend 4.50%    
Year ultimate trend reached 2033    
Canada      
Assumptions used in measuring benefit obligation      
2023 increase in per capita cost 5.04%    
Ultimate trend 4.05%    
Year ultimate trend reached 2040    
Brazil      
Assumptions used in measuring benefit obligation      
2023 increase in per capita cost 8.94%    
Ultimate trend 8.94%    
Year ultimate trend reached 2023