Employee Benefit Plans (Assumptions Used For Pension Benefits Accounting) (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Plan
Benefit Obligations
Discount rate (as a percent)	5.40%	5.60%	2.90%
Interest crediting rate (as a percent)	4.15%	4.35%	4.00%
Net Periodic Benefit Cost
Discount rate (as a percent)	5.60%		2.60%
Interest crediting rate (as a percent)	4.35%	4.00%	4.00%
Expected long-term rate of return on plan assets (as a percent)	8.25%	6.50%	6.50%
Pension Plan | Minimum
Benefit Obligations
Salary increase (as a percent)	3.50%	3.50%	3.50%
Net Periodic Benefit Cost
Discount rate (as a percent)		2.90%
Salary increase (as a percent)	3.50%	3.50%	3.50%
Expected long-term rate of return on plan assets (as a percent)
Pension Plan | Maximum
Benefit Obligations
Salary increase (as a percent)	4.00%	4.00%	4.00%
Net Periodic Benefit Cost
Discount rate (as a percent)		5.70%
Salary increase (as a percent)	4.00%	4.00%	4.00%
Other Post-Retirement Benefit Plans
Benefit Obligations
Discount rate (as a percent)	5.40%	5.60%	2.90%
Net Periodic Benefit Cost
Discount rate (as a percent)	5.60%	2.90%	2.60%
Expected long-term rate of return on plan assets (as a percent)		6.50%	6.50%
Other Post-Retirement Benefit Plans | Minimum
Net Periodic Benefit Cost
Expected long-term rate of return on plan assets (as a percent)	6.50%
Other Post-Retirement Benefit Plans | Maximum
Net Periodic Benefit Cost
Expected long-term rate of return on plan assets (as a percent)	8.25%