Pensions and Postretirement Benefits Other Than Pensions (Schedule of Defined Benefit Plan Weighted Average Discount Rate Assumptions) (Details) - Postretirement [Member]	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Benefit obligations at December 31	5.17%	5.51%	2.73%
Net periodic benefit cost	5.54%	2.82%	2.40%
Defined Benefit Plan, Current Year medical inflation rate	6.28%	6.50%	6.25%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	5.00%	5.00%	4.75%
Year that the rate reaches the ultimate trend rate	2029	2028	2028
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate	5.38%	2.33%	1.84%