EBP Key Assumptions (Details 3)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Benefits [Member]
Weighted average assumptions utilized to determine benefit obligations
Discount rate	4.98%	5.16%	2.82%
Rate of compensation increase	3.52%	3.58%	3.67%
Cash balance interest crediting rate	4.50%	3.50%	3.00%
Weighted average assumptions utilized to determine net periodic benefit cost (credit)
Discount rate	5.16%	2.84%	2.45%
Expected long-term rate of return on plan assets	5.17%	3.81%	3.69%
Rate of compensation increase	3.58%	3.67%	3.76%
Cash balance interest crediting rate	3.50%	3.00%	3.00%
Other Postretirement Benefits [Member]
Weighted average assumptions utilized to determine benefit obligations
Discount rate	5.01%	5.20%	2.93%
Weighted average assumptions utilized to determine net periodic benefit cost (credit)
Discount rate	5.20%	2.93%	2.59%
Expected long-term rate of return on plan assets	4.04%	3.67%	3.61%
Health care cost trend rate assumed for next fiscal year	7.00%
Direction and pattern of change for assumed health care cost trend rate	decreases
Ultimate health care cost trend rate	4.50%
Year that rate reaches ultimate trend rate	2034