Debt Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Debt Instrument [Line Items]
Payments required on long-term debt during the year ending 2015	$ 105
Payments required on long-term debt during the year ending 2016	400
Payments required on long-term debt during the year ending 2017	0
Payments required on long-term debt during the year ending 2018	0
Payments required on long-term debt during the year ending 2019	1
Cash interest payments	32	35	73
Maximum
Debt Instrument [Line Items]
Interest coverage ratio covenant	2.0
Interest coverage ratio	9.1
Financial covenants, required leverage ratio	3.5
Leverage ratio	2.1
Minimum
Debt Instrument [Line Items]
Interest coverage ratio covenant	1.0
Interest coverage ratio	1.0
Financial covenants, required leverage ratio	1.0
Leverage ratio	1.0
Letter of Credit [Member]
Debt Instrument [Line Items]
Letters of credit outstanding	42
Letter Of Credit	65
Debt Instrument, Interest Rate at Period End	0.85%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility, amount	750
Credit facility annual fee	0.15%
Letters of credit outstanding	$ 3