Share-Based Compensation Plans And Other Incentive Plans (Schedule Of Stock Option Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 employee	Dec. 31, 2013 employee	Dec. 31, 2012 employee
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding at January 1	10,937	13,132	15,729
Options granted	1,340	1,652	1,286
Options exercised	(1,526)	(2,950)	(2,831)
Options terminated, cancelled or expired	(1,067)	(897)	(1,052)
Options outstanding at December 31	9,684	10,937	13,132
Options exercisable at December 31	7,282	7,628	9,242
Approx. number of employees granted options	118	123	115
Exercise price of options outstanding at January 1 (US$ per share)	$ 79	$ 70	$ 63
Exercise price of options granted (US$ per share)	$ 66	$ 57	$ 51
Exercise price of options exercised (US$ per share)	$ 39	$ 31	$ 29
Exercise price of options terminated, canceled or expired (US$ per share)	$ 65	$ 65	$ 60
Exercise price of options outstanding at December 31 (US$ per share)	$ 85	$ 79	$ 70
Exercise price of options exercisable at December 31 (US$ per share)	$ 94	$ 91	$ 81