Stock-Based Compensation Plans (Schedule Of Weighted-Average Assumptions For Grants Made) (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-Based Payment Arrangement, Noncash Expense [Abstract]
Dividend yield	2.05%	3.06%	3.05%
Volatility	33.96%	36.28%	27.15%
Risk-free interest rate	1.92%	0.50%	1.23%
Expected lives in years	7 years 2 months 12 days	5 years 2 months 12 days	5 years 2 months 12 days