Fair Value Measurements And Financial Instruments Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended		3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014 Fair Value, Inputs, Level 3 [Member] Contingent Consideration Liability [Member]	Mar. 29, 2014 Fair Value, Inputs, Level 3 [Member] Contingent Consideration Liability [Member]	Jun. 28, 2014 Endosense S.A. [Member] Fair Value, Inputs, Level 3 [Member] Contingent Consideration Liability [Member]	Mar. 29, 2014 Endosense S.A. [Member] Fair Value, Inputs, Level 3 [Member] Contingent Consideration Liability [Member]	Jun. 28, 2014 Nanostim [Member] Fair Value, Inputs, Level 3 [Member] Contingent Consideration Liability [Member]	Mar. 29, 2014 Nanostim [Member] Fair Value, Inputs, Level 3 [Member] Contingent Consideration Liability [Member]
Beginning Balance			$ 198	$ 195	$ 141	$ 139	$ 57	$ 56
Change in fair value of contingent consideration	(9)	0	8	1	7	0	1	1
Foreign currency translation			0	2	0	2	0	0
Ending Balance			$ 206	$ 198	$ 148	$ 141	$ 58	$ 57