Acquisition - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Mar. 09, 2015	Apr. 03, 2015	Jul. 03, 2015	Jun. 27, 2014	Jun. 28, 2013
Business Acquisition [Line Items]
Value allocated to goodwill			$ 2,766	$ 2,559	$ 1,954
Amplidata [Member]
Business Acquisition [Line Items]
Purchase price of acquisition	$ 267
Consideration transferred, cash	245
Fair value of previously-held cost method investment	19
Consideration transferred, stock options assumed	3
Value allocated to goodwill	$ 215
Net increase (decrease) in goodwill			$ 42
Remeasurement gain		$ 9