Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Income Taxes [Line Items]
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ 44
Income from continuing operations before income taxes increase (decrease) from prior year		291	120
Tax Benefits, Period Increase (Decrease)		15
Cash payments for income taxes	100	12	26
Tax benefit likeliness threshold	50.00%
Unrecognized tax benefits that would affect effective tax rate	59
Unrecognized tax benefits range of potential decrease in twelve months, upper limit	27
Interest and penalties for unrecognized tax (benefits) expense	1	(1)	(3)
Accrued interest and penalties for unrecognized tax benefits	7	8	10
Segment, Continuing Operations
Income Taxes [Line Items]
Increase (decrease) in tax expense related to income from continuing operations	(17)	87	(42)
State and Local Jurisdiction [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	70
Domestic Tax Authority [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	$ 9