Acquisitions and Dispositions Summary of Assets Held for Sale (Details) - USD ($) $ in Millions	Jun. 27, 2015	Sep. 27, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total assets held for sale	$ 189	$ 446
Liabilities held for sale	52	141
International [Member] | Chicken Production Operations in Mexico [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net	15
Inventories	68
Other current assets	11
Net property, plant and equipment	74
Goodwill	14
Other assets	7
Total assets held for sale	189
Current debt	0
Accounts payable	23
Other current liabilities	18
Long-term debt	0
Deferred income taxes	11
Liabilities held for sale	$ 52
International [Member] | Chicken Production Operations in Brazil and Mexico [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net		74
Inventories		141
Other current assets		72
Net property, plant and equipment		132
Goodwill		16
Other assets		11
Total assets held for sale		446
Current debt		32
Accounts payable		61
Other current liabilities		27
Long-term debt		9
Deferred income taxes		12
Liabilities held for sale		$ 141