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Benefit Plans and Other Postretirement Benefits, Postretirement Health Care Benefits (Details) - Other Postretirement Benefits Plan [Member]
Dec. 31, 2022
Dec. 31, 2021
Postretirement Health Care Benefits [Abstract]    
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 100.00% 100.00%
Domestic and international equity securities    
Postretirement Health Care Benefits [Abstract]    
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 16.00% 15.00%
Short-to-intermediate fixed income securities    
Postretirement Health Care Benefits [Abstract]    
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 71.00% 71.00%
Alternative investments    
Postretirement Health Care Benefits [Abstract]    
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 12.00% 8.00%
Cash    
Postretirement Health Care Benefits [Abstract]    
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 1.00% 6.00%