Fair Value Measurements And Financial Instruments Fair Value Measurements and Financial Instruments, (Fair Value, Liabilities Measured on a Recurring Basis, Unobservable Input Reconciliation) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Contingent Consideration Liability [Roll Forward]
Purchase price contingent consideration	$ 0	$ 188	$ 0
Change in fair value of contingent consideration	22	1	0
Contingent Consideration Liability [Member]
Contingent Consideration Liability [Roll Forward]
Ending balance	50	195
Contingent Consideration Liability [Member] | Fair Value, Inputs, Level 3 [Member]
Contingent Consideration Liability [Roll Forward]
Beginning balance	195	0
Purchase price contingent consideration		188
Change in fair value of contingent consideration	22	1
Payment of contingent consideration	(155)
Foreign currency translation	(12)	6
Ending balance	50	195
Contingent Consideration Liability [Member] | Endosense S.A. [Member] | Fair Value, Inputs, Level 3 [Member]
Contingent Consideration Liability [Roll Forward]
Beginning balance	139	0
Purchase price contingent consideration		132
Change in fair value of contingent consideration	28	1
Payment of contingent consideration	(155)
Foreign currency translation	(12)	6
Ending balance	0	139
Contingent Consideration Liability [Member] | Nanostim [Member] | Fair Value, Inputs, Level 3 [Member]
Contingent Consideration Liability [Roll Forward]
Beginning balance	56	0
Purchase price contingent consideration		56
Change in fair value of contingent consideration	(6)	0
Payment of contingent consideration	0
Foreign currency translation	0	0
Ending balance	$ 50	$ 56