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Acquisitions (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
0 Months Ended 3 Months Ended
Aug. 28, 2014
Dec. 27, 2014
Dec. 28, 2013
Mar. 29, 2014
business
Sep. 27, 2014
Business Acquisition [Line Items]          
Goodwill   $ 6,700us-gaap_Goodwill     $ 6,706us-gaap_Goodwill
Hillshire Brands Company [Member]          
Business Acquisition [Line Items]          
Purchase price per share of acquired entity's common stock $ 63.00tsn_BusinessCombinationConsiderationTransferredPerShareofCommonStock
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
       
Purchase Price 8,081us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
       
Breakage costs incurred related to previously proposed acquisition 163tsn_TerminationFeePaidtoThirdParty
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
       
Goodwill, Purchase Accounting Adjustments   5us-gaap_GoodwillPurchaseAccountingAdjustments
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
     
Goodwill 4,799us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
       
Valuation Allowances and Reserves, Adjustments     46us-gaap_ValuationAllowancesAndReservesAdjustments
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
   
Property, Plant, and Equipment 1,303us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
       
Intangible Assets 5,141us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= tsn_HillshireBrandsCompanyMember
       
Series of Individually Immaterial Business Acquisitions [Member]          
Business Acquisition [Line Items]          
Goodwill       18us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
 
Number of Businesses Acquired       1us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
 
Acquisitions, net of cash acquired       56us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
 
Property, Plant, and Equipment       12us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
 
Intangible Assets       $ 27us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember