XML 130 R65.htm IDEA: XBRL DOCUMENT v3.24.0.1
Pension and Postretirement Health and Life Benefits (Schedule of Assumptions Used) (Details)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Pension Plan, Defined Benefit [Member]      
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate 5.20% 5.50% 2.80%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 6.80% 5.50% 6.30%
Other Postretirement Benefits Plan [Member]      
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate 5.20% 5.50% 2.80%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 4.00% 0.80% 0.00%