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Employee Benefits - Schedule of Assumptions Used to Determine the Benefit Obligations/net Periodic Cost (Details)
Dec. 31, 2021
Dec. 31, 2020
Pension Benefits    
Weighted average assumptions used to determine the benefit obligations    
Discount Rate 2.89% 2.55%
Postretirement Benefits    
Weighted average assumptions used to determine the benefit obligations    
Discount Rate 3.00% 2.66%
Health Care Cost Trend Rate Assumed For Next Year 5.70% 5.50%