Goodwill And Other Intangible Assets Goodwill and Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013 Customer Lists And Relationships [Member] Intangible Asset Charges [Member]	Jun. 28, 2014 Spinal Modulation [Member]	Jun. 28, 2014 Spinal Modulation [Member]
Measurement period fair value adjustment to noncontrolling interest			$ 36	$ (36)
Reclassification of Acquired in Process Research and Development from indefinite-lived to definite-lived	58
Impairment of Intangible Assets, Finite-lived		$ 13