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Employee Benefit Plans - Health Care Cost Trend Rates (Details) - Postretirement
Dec. 31, 2024
Dec. 31, 2023
U.S.    
Defined Benefit Plan Disclosure [Line Items]    
Health care cost trend rate assumed for next year 7.50% 6.80%
Rate to which cost trend is assumed to decline (ultimate trend rate) 4.00% 4.00%
Canada    
Defined Benefit Plan Disclosure [Line Items]    
Health care cost trend rate assumed for next year 5.87% 5.93%
Rate to which cost trend is assumed to decline (ultimate trend rate) 5.00% 5.00%