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Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Sep. 27, 2014
Income Tax Disclosure [Abstract]
Effective tax rate for continuing operations	28.80%us-gaap_EffectiveIncomeTaxRateContinuingOperations	34.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	6.50%tsn_UnrecognizedTaxBenefitPercentReductionResultingfromLapseofApplicableStatuteofLimitations
Unrecognized tax benefits	$ 239us-gaap_UnrecognizedTaxBenefits		$ 272us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits that would impact effective tax rate	209us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate		241us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Unrecognized tax benefits, income tax penalties and interest accrued	52us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued		54us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Unrecognized tax benefits, reductions that could result from tax audit resolutions	$ 5us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound

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- Definition

Unrecognized Tax Benefit, Percent Reduction Resulting from Lapse of Applicable Statute of Limitations

+ References

No definition available.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(2))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690



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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

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-Subparagraph 2

-Article 4

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Amount of (increase) decrease reasonably possible in the estimated upper bound of the unrecognized tax benefit for a tax position taken or expected to be taken.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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-Name Accounting Standards Codification

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