Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Goodwill [Line Items]
Balance at December 31, 2011	$ 2,953
Foreign currency translation and other	5
Balance at March 31, 2012	2,958
CRM/NMD [Member]
Goodwill [Line Items]
Balance at December 31, 2011	1,235
Foreign currency translation and other	(4)
Balance at March 31, 2012	1,231
CV/AF [Member]
Goodwill [Line Items]
Balance at December 31, 2011	1,718
Foreign currency translation and other	9
Balance at March 31, 2012	$ 1,727