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Pension and Other Post-retirement Benefits - Weighted Asset Allocations by Asset Category (Details)
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]    
Average assets allocation 100.00% 100.00%
Equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Average assets allocation 19.00% 17.00%
Debt securities    
Defined Benefit Plan Disclosure [Line Items]    
Average assets allocation 76.00% 70.00%
Private equity    
Defined Benefit Plan Disclosure [Line Items]    
Average assets allocation 5.00% 12.00%
Cash    
Defined Benefit Plan Disclosure [Line Items]    
Average assets allocation 0.00% 1.00%