Income Taxes - Total Amounts of Unrecognized Tax Benefits (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 27, 2014	Jun. 28, 2013	Jun. 29, 2012
Income Tax Contingency [Line Items]
Unrecognized tax benefit at beginning of period	$ 240	$ 280	$ 245
Gross increases related to current year tax positions	27	29	14
Gross increases related to prior year tax positions	26	10	0
Gross decreases related to prior year tax positions	(5)	(8)	0
Settlements	0	(64)	(18)
Lapse of statute of limitations	0	(7)	0
Increases as a result of acquisitions	12	0	39
Unrecognized tax benefit at end of period	$ 300	$ 240	$ 280