Stock-Based Compensation (Summary Of Status Of Stock-Based Compensation Plans) (Details) (Stock Options [Member], USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, Outstanding	4.3
Options, Granted	0
Weighted Average Exercise Price, Outstanding	$ 60.45
Weighted Average Remaining Contractual Life, Outstanding	2 years 2 months 12 days	2 years 7 months 6 days
Aggregate Intrinsic Value, Outstanding	$ 3.4
Options, Exercised	0
Weighted Average Exercise Price, Exercised	$ 31.43
Options, Forfeited or canceled	(1.0)
Weighted Average Exercise Price, Forfeited or canceled	$ 61.01
Options, Outstanding	3.3	4.3
Weighted Average Exercise Price, Outstanding	$ 60.40	$ 60.45
Weighted Average Remaining Contractual Life, Outstanding	2 years 2 months 12 days	2 years 7 months 6 days
Aggregate Intrinsic Value, Outstanding	11.2	3.4
Options, Vested and expected to vest	3.3
Weighted Average Exercise Price, Vested and expected to vest	$ 60.82
Weighted Average Remaining Contractual Life, Vested and expected to vest	2 years 2 months 12 days
Aggregate Intrinsic Value, Vested and expected to vest	10.6
Options, Exercisable	3.1
Weighted Average Exercise Price, Exercisable	$ 63.10
Weighted Average Remaining Contractual Life, Exercisable	2 years
Aggregate Intrinsic Value, Exercisable	$ 7.8