Employee Benefit Plans (Assumptions Used For Pension Benefits Accounting) (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension Plan | Qualified Plan
Benefit Obligations [Abstract]
Discount rate	5.60%	2.90%	2.60%
Interest crediting rate	4.35%	4.00%	4.00%
Net Periodic Benefit Cost [Abstract]
Discount rate		2.60%	3.30%
Interest crediting rate	4.00%	4.00%	4.00%
Expected long-term rate of return on plan assets	6.50%	6.50%	6.85%
Pension Plan | Minimum | Qualified Plan
Benefit Obligations [Abstract]
Salary increase	3.50%	3.50%	3.50%
Net Periodic Benefit Cost [Abstract]
Discount rate	2.90%
Salary increase	3.50%	3.50%	3.50%
Expected long-term rate of return on plan assets
Pension Plan | Maximum | Qualified Plan
Benefit Obligations [Abstract]
Salary increase	4.00%	4.00%	4.00%
Net Periodic Benefit Cost [Abstract]
Discount rate	5.70%
Salary increase	4.00%	4.00%	4.00%
Other Post-Retirement Benefit Plans
Benefit Obligations [Abstract]
Discount rate	5.60%	2.90%	2.60%
Net Periodic Benefit Cost [Abstract]
Discount rate	2.90%	2.60%	3.30%
Expected long-term rate of return on plan assets	6.50%	6.50%	6.85%