Debt - Additional Information (Detail) - USD ($)	12 Months Ended
	Jul. 03, 2015	Jun. 27, 2014
Debt Instrument [Line Items]
Loan period	5 years
Total unsecured loan under credit facility	$ 4,000,000,000
Line of credit facility additional borrowing capacity	$ 1,000,000,000.0
Interest rate of borrowing under credit facility	1.70%
Term loan	$ 2,312,000,000	$ 2,438,000,000
2016	156,000,000
2017	219,000,000
2018	250,000,000
2019	1,700,000,000
Short-term Debt	255,000,000	$ 0
Sublimit for Letters of Credit Under Revolving Credit Facility	100,000,000
Sublimit for Swing Line Loans Under Revolving Credit Facility	50,000,000
Term Loan Facility [Member]
Debt Instrument [Line Items]
Total unsecured loan under credit facility	2,500,000,000.0
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility revolving loan	$ 1,500,000,000.0