Share-Based Compensation Plans And Other Incentive Plans (Stock Options Outstanding And Exercisable) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, No of options	9,684	10,937	13,132	15,729
Options Outstanding, Wtd. avg. Exercise Price (US$ per share)	$ 85	$ 79	$ 70	$ 63
Options Exercisable, No of options	7,282	7,628	9,242
Options Exercisable, Wtd. avg. Exercise Price (US$ per share)	$ 94	$ 91	$ 81
Under $30
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, maximum	$ 30
Options Outstanding, No of options	699
Options Outstanding, Wtd. avg. Exercise Price (US$ per share)	$ 27
Options Outstanding, Wtd. avg. contractual life (in yrs.)	5 years
Options Exercisable, No of options	699
Options Exercisable, Wtd. avg. Exercise Price (US$ per share)	$ 27
$30-$40
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, minimum	$ 30
Exercise price range, maximum	$ 40
Options Outstanding, No of options	2,222
Options Outstanding, Wtd. avg. Exercise Price (US$ per share)	$ 39
Options Outstanding, Wtd. avg. contractual life (in yrs.)	5 years
Options Exercisable, No of options	2,222
Options Exercisable, Wtd. avg. Exercise Price (US$ per share)	$ 39
$41-$50
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, minimum	$ 41
Exercise price range, maximum	$ 50
Options Outstanding, No of options	231
Options Outstanding, Wtd. avg. Exercise Price (US$ per share)	$ 45
Options Outstanding, Wtd. avg. contractual life (in yrs.)	6 years
Options Exercisable, No of options	222
Options Exercisable, Wtd. avg. Exercise Price (US$ per share)	$ 45
$51-$60
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, minimum	$ 51
Exercise price range, maximum	$ 60
Options Outstanding, No of options	1,786
Options Outstanding, Wtd. avg. Exercise Price (US$ per share)	$ 54
Options Outstanding, Wtd. avg. contractual life (in yrs.)	8 years
Options Exercisable, No of options	584
Options Exercisable, Wtd. avg. Exercise Price (US$ per share)	$ 54
$61-$70
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, minimum	$ 61
Exercise price range, maximum	$ 70
Options Outstanding, No of options	1,430
Options Outstanding, Wtd. avg. Exercise Price (US$ per share)	$ 66
Options Outstanding, Wtd. avg. contractual life (in yrs.)	8 years
Options Exercisable, No of options	239
Options Exercisable, Wtd. avg. Exercise Price (US$ per share)	$ 65
$71-$80
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, minimum	$ 71
Exercise price range, maximum	$ 80
Options Outstanding, No of options	197
Options Outstanding, Wtd. avg. Exercise Price (US$ per share)	$ 74
Options Outstanding, Wtd. avg. contractual life (in yrs.)	2 years
Options Exercisable, No of options	197
Options Exercisable, Wtd. avg. Exercise Price (US$ per share)	$ 74
$81 And Over
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, minimum	$ 81
Options Outstanding, No of options	3,119
Options Outstanding, Wtd. avg. Exercise Price (US$ per share)	$ 161
Options Outstanding, Wtd. avg. contractual life (in yrs.)	0 years
Options Exercisable, No of options	3,119
Options Exercisable, Wtd. avg. Exercise Price (US$ per share)	$ 161