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Fair Value Measurement (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended		12 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Sep. 27, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities, Fair Value Disclosure, Nonrecurring	$ 0us-gaap_LiabilitiesFairValueDisclosureNonrecurring	$ 0us-gaap_LiabilitiesFairValueDisclosureNonrecurring
Assets, Fair Value Disclosure, Nonrecurring	0us-gaap_AssetsFairValueDisclosureNonrecurring	0us-gaap_AssetsFairValueDisclosureNonrecurring
Common Stock and Warrants [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities	0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = tsn_CommonStockAndWarrantsMember	6us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = tsn_CommonStockAndWarrantsMember
Cumulative Other-than-Temporary Impairment Loss	0tsn_CumulativeOtherthanTemporaryImpairmentLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = tsn_CommonStockAndWarrantsMember		2tsn_CumulativeOtherthanTemporaryImpairmentLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = tsn_CommonStockAndWarrantsMember
Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Portion Attributable to Parent	$ 0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = tsn_CommonStockAndWarrantsMember		$ 0us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = tsn_CommonStockAndWarrantsMember
Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short Term Investment Maturity Period	12 months
Available For Sale Securities Debt Maturity Period	35 years

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- Definition

Available For Sale Securities Debt Maturity Period

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Cumulative Other-than-Temporary Impairment Loss

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- Definition

Short Term Investment Maturity Period

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

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- Definition

Aggregation of the liabilities reported on the balance sheet measured at fair value on a nonrecurring basis by the entity.

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- Definition

The amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

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- Definition

Amount before tax of other than temporary impairment loss (OTTI) on investments in available-for-sale and held-to-maturity debt securities, recognized in other comprehensive loss and attributable to parent entity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

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