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Pension and Other Postretirement Benefits - Weighted Average Discount Rates used to Calculate the Benefit Obligations (Details) - Other Postretirement Benefits
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]      
Benefit obligations 5.80% 3.40% 2.80%
Service cost 7.80% 5.90% 4.10%
Interest cost 5.70% 3.60% 3.30%