Goodwill And Other Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 28, 2014
Goodwill [Roll Forward]
Balance at December 28, 2013	$ 3,524
Foreign currency translation and other	(4)
Balance at June 28, 2014	3,484
IESD [Member]
Goodwill [Roll Forward]
Balance at December 28, 2013	1,526
Foreign currency translation and other	1
Balance at June 28, 2014	1,491
CATD [Member]
Goodwill [Roll Forward]
Balance at December 28, 2013	1,998
Foreign currency translation and other	(5)
Balance at June 28, 2014	1,993
Spinal Modulation [Member]
Goodwill [Roll Forward]
Spinal Modulation, Inc.	(36)
Spinal Modulation [Member] | IESD [Member]
Goodwill [Roll Forward]
Spinal Modulation, Inc.	(36)
Spinal Modulation [Member] | CATD [Member]
Goodwill [Roll Forward]
Spinal Modulation, Inc.	$ 0