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, 2022	Dec. 31, 2021	Dec. 31, 2020
Benefit obligations at December 31	5.51%	2.73%	2.25%
Net periodic benefit cost	2.82%	2.40%	3.18%
Defined Benefit Plan, Current Year medical inflation rate	6.50%	6.25%	6.50%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	5.00%	4.75%	4.75%
Year that the rate reaches the ultimate trend rate	2028	2028	2028
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate	2.33%	1.84%	2.73%