Stock-Based Compensation (Stock Option Weighted-Average Assumptions Used In Determining Fair Values) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation [Abstract]
Stock price volatility	24.61%	25.11%	24.25%
Expected term	6 years 8 months 9 days	6 years 6 months 18 days	6 years 7 months 21 days
Risk-free interest rate	1.31%	1.22%	2.70%
Dividend yield	4.75%	4.50%	4.20%
Dividend payment per share	$ 3.32	$ 3.32	$ 3.32