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Acquisitions and Dispositions Acquisition Pro Forma information (Details) (Hillshire Brands Company [Member], USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 29, 2014
Mar. 29, 2014
Hillshire Brands Company [Member]
   
Business Acquisition [Line Items]    
Pro forma sales $ 9,970us-gaap_BusinessAcquisitionsProFormaRevenue
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
$ 19,787us-gaap_BusinessAcquisitionsProFormaRevenue
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
Pro forma net income from continuing operations attributable to Tyson $ 223us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
$ 561us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
Pro Forma net income per diluted share from continuing operations attributable to Tyson $ 0.53us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
$ 1.34us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember