Acquisitions Amplidata purchase price allocation (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 02, 2015	Jul. 03, 2015	Mar. 09, 2015
Business Acquisition [Line Items]
Goodwill	$ 2,766	$ 2,766
Amplidata [Member]
Business Acquisition [Line Items]
Goodwill, Purchase Accounting Adjustments	$ 42
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			$ (24)
Intangible assets			76
Goodwill			215
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			$ 267