Intangible Assets and Goodwill - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 28, 2014	Sep. 28, 2013	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012	May 15, 2014	Sep. 06, 2013
Goodwill And Intangible Assets [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired						100.00%	100.00%
Payments to Acquire Businesses and Interest in Affiliates	$ 165	$ 35	$ 200	$ 0	$ 30
Goodwill, Acquired During Period			104
Finite-lived Intangible Assets Acquired			125
Amortization expense on intangible assets			19	17	21
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	22		22
Estimated future amortization expense of intangible assets - 2015	14		14
Estimated future amortization expense of intangible assets - 2016	14		14
Estimated future amortization expense of intangible assets - 2017	14		14
Estimated future amortization expense of intangible assets - 2018	$ 11		$ 11
Trademarks And Brand Names
Goodwill And Intangible Assets [Line Items]
Weighted average useful life			19 years
Customer Relationships
Goodwill And Intangible Assets [Line Items]
Weighted average useful life			17 years
Computer Software
Goodwill And Intangible Assets [Line Items]
Weighted average useful life			2 years
Other Contractual Agreements
Goodwill And Intangible Assets [Line Items]
Weighted average useful life			9 years