Pensions and Other Postretirement Plans (Asset Allocation) (Details 8) - Pension Plans [Member]	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Assets Allocation (Percent)	100.00%	100.00%
U.S. equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Assets Allocation (Percent)	59.00%	61.00%
Private investment fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Assets Allocation (Percent)	16.00%	17.00%
International equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Assets Allocation (Percent)	11.00%	9.00%
U.S. stock index fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Assets Allocation (Percent)	7.00%	9.00%
U.S. fixed income [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Assets Allocation (Percent)	7.00%	4.00%