Quarterly Results of Operations - Quarterly Results of Operations (Detail 2) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jul. 03, 2015	Apr. 03, 2015	Jan. 02, 2015	Oct. 03, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 27, 2013	Sep. 27, 2013	Jul. 03, 2015	Jun. 27, 2014	Jun. 28, 2013
Quarterly Financial Information Disclosure [Abstract]
Employee termination, asset impairment and other charges	$ 104	$ 10	$ 53	$ 9	$ 36	$ 25	$ 23	$ 11	$ 176	$ 95	$ 138
Charges related to arbitration award			1	$ 14	$ 13	$ 13	$ 13	13	15	52	681
Charge related to passage of California Proposition 39											88
Gain On Insurance Recovery			$ 37					$ 65	$ 37	$ 65	$ 0