Acquisitions (Details) - USD ($) $ in Millions		6 Months Ended
	Feb. 10, 2015	Jun. 28, 2015
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 254
Payments to Acquire Businesses, Gross	$ 229
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		$ 25
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low		0
Business Combination, Contingent Consideration, Liability		22
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory		13
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		$ 1
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		15 years
Goodwill, Acquired During Period		$ 200
In Process Research and Development [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets		8
Trade Names [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		4
Developed Technology Rights [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		11
Other Intangible Assets [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		$ 15
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		5 years