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Postretirement Benefits - Weighted Average Pension Plan Assumptions and Weighted Average Assumptions for Post-Retirement Benefit Plans Other Than Pensions (Details) - Pension Plan
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Discount rate 5.71% 3.19%  
Rate of compensation increase 4.40% 4.43%  
Discount rate 3.19% 2.92% 3.49%
Expected long-term returns 6.98% 6.67% 6.67%
Rate of compensation increase 4.43% 3.97% 3.97%