Lease Depreciation And Expense (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Leases Disclosure [Line Items]
Depreciation of capital lease assets	$ 0	$ 2	$ 1
Rental expense under operating leases	$ 23	$ 23	$ 22