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Pension Benefits and Postretirement Benefits Other Than Pensions - Narrative (Details)
3 Months Ended
Mar. 31, 2023
employees
Pension Plans  
Defined Benefit Plan Disclosure [Line Items]  
Number of participants and beneficiaries 3,100
Percentage of Compensation, Defined Benefit Plan Employee Contribution 3.00%
Postretirement Benefits Other than Pensions  
Defined Benefit Plan Disclosure [Line Items]  
Number of retired employees covered 400
Number of active employees covered 500