Reconciliation of Unrecognized Tax Benefits (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Income Taxes [Line Items]
Beginning of year balance	$ 67	$ 74	$ 83
Increases based on current period tax positions	0	0	5
Increases based on prior period tax positions	2	0	24
Decreases based on prior period tax positions	0	0	(4)
Decreases related to settlements with tax authorities	(6)	0	(33)
Decreases related to a lapse of applicable statute of limitation	(3)	(7)	(1)
End of Year Balance	$ 60	$ 67	$ 74