2.2.0.7 true DERIVATIVE FINANCIAL INSTRUMENTS (Narratives) (Details) (USD $) 40601 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS (Narratives) (Details) true false In Millions false false 1 USD false false Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit13 Standard http://www.xbrl.org/2003/instance pure xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD false false Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit13 Standard http://www.xbrl.org/2003/instance pure xbrli 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Maximum Length of Time Hedged Forecasted Transactions, Months 2 tsn_MaximumLengthOfTimeHedgedForecastedTransactions tsn false na duration Maximum Length Of Time Hedged Forecasted Transactions false false false false false false false false false false false terselabel false 1 false true false false 18 18 false false false 2 false false false false 0 0 false false false xbrli:integerItemType integer Maximum Length Of Time Hedged Forecasted Transactions No authoritative reference available. false 3 Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months 2 us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths us-gaap true credit duration No definition available. false false false false false false false false false false false terselabel false 1 true true false false 10000000 10 false false false 2 false false false false 0 0 false false false xbrli:monetaryItemType monetary The estimated net amount of existing gains (losses) on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 45 -Subparagraph b(2) false 4 Notional Amount of Foreign Currency Derivatives 2 us-gaap_NotionalAmountOfForeignCurrencyDerivatives us-gaap true debit instant No definition available. false false false false false false false false false false false terselabel false 1 false true false false 49000000 49 false false false 2 false true false false 0 0 false false false xbrli:monetaryItemType monetary Aggregate notional amount of foreign currency exchange rate derivatives. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. No authoritative reference available. false 7 Maximum Length of Time Hedged Undesignated Positions, Months 2 tsn_MaximumLengthOfTimeHedgedUndesignatedPositions tsn false na duration Maximum Length Of Time Hedged Undesignated Positions. false false false false false false false false false false false terselabel false 1 false true false false 18 18 false false false 2 false false false false 0 0 false false false xbrli:integerItemType integer Maximum Length Of Time Hedged Undesignated Positions. No authoritative reference available. false 8 Nondesignated [Member] 0 na true na na No definition available. false true false false false false false false false false false http://www.tyson.com/role/disclosurederivativefinancialinstrumentsnarrativedetails false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false false 3 USD true false false false Nondesignated [Member] us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_NondesignatedMember us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis explicitMember Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 4 USD true false false false Nondesignated [Member] us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_NondesignatedMember us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis explicitMember Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ na No definition available. No authoritative reference available. false 12 Unrealized Loss on Derivatives 2 tsn_UnrealizedLossesRelatedToCertainCostPlusArrangements tsn false credit duration Unrealized Losses Related To Certain Cost Plus Arrangements false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 17000000 17 false false false xbrli:monetaryItemType monetary Unrealized Losses Related To Certain Cost Plus Arrangements No authoritative reference available. false 13 Unrealized Gain on Derivatives 2 tsn_UnrealizedGainsRelatedToCertainCostPlusArrangements tsn false credit duration Unrealized Gains Related To Certain Cost Plus Arrangements false false false false false false false false false false false terselabel false 1 true true false false 2000000 2 false false false 2 false false false false 0 0 false false false xbrli:monetaryItemType monetary Unrealized Gains Related To Certain Cost Plus Arrangements No authoritative reference available. false 2 7 false Millions UnKnown UnKnown false true