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, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2012 Under $30 [Member]	Dec. 31, 2012 $30-$40 [Member]	Dec. 31, 2012 $41-$50 [Member]	Dec. 31, 2012 $51-$60 [Member]	Dec. 31, 2012 $61-$70 [Member]	Dec. 31, 2012 $71-$80 [Member]	Dec. 31, 2012 $81 And Over [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, minimum						$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Exercise price range, maximum					$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Options Outstanding, No of options	13,132	15,729	19,614	23,061	3,099	3,728	620	1,377	836	255	3,217
Options Outstanding, Wtd. avg. Exercise Price (US$ per share)	$ 70	$ 63	$ 81	$ 84	$ 26	$ 38	$ 45	$ 52	$ 67	$ 74	$ 161
Options Outstanding, Wtd. avg. contractual life (in yrs.)					7 years	7 years	8 years	9 years	2 years	4 years	2 years
Options Exercisable, No of options	9,242	11,184	12,429		2,617	2,064	246	7	836	255	3,217
Options Exercisable, Wtd. avg. Exercise Price (US$ per share)	$ 81	$ 74	$ 99		$ 26	$ 37	$ 44	$ 54	$ 67	$ 74	$ 161