Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Weighted Average Assumptions Used to Determine the Benefit Obligation for our Pension and OPEB Plans) (Details)	Dec. 31, 2023	Dec. 31, 2022
Pension Plans [Member]
Discount rate	5.55%	5.60%
Rate of compensation increase	3.00%
Pension Plans [Member] | Minimum [Member]
Rate of compensation increase		3.00%
Pension Plans [Member] | Maximum [Member]
Rate of compensation increase		5.00%
OPEB [Member]
Discount rate	5.45%	5.55%
OPEB [Member] | Minimum [Member]
Rate of compensation increase	0.00%	0.00%
OPEB [Member] | Maximum [Member]
Rate of compensation increase	0.00%	0.00%