Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Goodwill [Roll Forward]
Balance at December 31, 2011	$ 2,953
Foreign currency translation and other	(8)
Balance at June 30, 2012	2,945
CRM/NMD [Member]
Goodwill [Roll Forward]
Balance at December 31, 2011	1,235
Foreign currency translation and other	(2)
Balance at June 30, 2012	1,233
CV/AF [Member]
Goodwill [Roll Forward]
Balance at December 31, 2011	1,718
Foreign currency translation and other	(6)
Balance at June 30, 2012	$ 1,712