Employee Termination, Asset Impairment and Other Charges Restructuring Plan 2016 (Detail) - Restructuring Plan 2016 [Member] - USD ($)	12 Months Ended
	Jun. 30, 2017	Jul. 01, 2016
Restructuring Reserve [Roll Forward]
Accrual Balance, Beginning of Period	$ 26,000,000
Charges	128,000,000	$ 77,000,000
Cash payments	(140,000,000)	(51,000,000)
Non-cash items and other	(1,000,000)
Restructuring Reserve, End of Period	13,000,000	26,000,000
One-time Termination Benefits [Member]
Restructuring Reserve [Roll Forward]
Accrual Balance, Beginning of Period	26,000,000
Charges	84,000,000	58,000,000
Cash payments	(99,000,000)	(32,000,000)
Non-cash items and other	0
Restructuring Reserve, End of Period	11,000,000	26,000,000
Contract and Other Termination Costs [Member]
Restructuring Reserve [Roll Forward]
Accrual Balance, Beginning of Period	0
Charges	44,000,000	19,000,000
Cash payments	(41,000,000)	(19,000,000)
Non-cash items and other	(1,000,000)
Restructuring Reserve, End of Period	$ 2,000,000	$ 0