Benefit recognized on the outside basis difference in an asset held for sale

No definition available.

Name:	tsn_BenefitRecognizedontheOutsideBasisDifferenceinanAssetHeldforSale
Namespace Prefix:	tsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Business Acquisition, Expense from Purchase Accounting and Acquisition Related Costs

+ References

No definition available.

+ Details

Name:	tsn_BusinessAcquisitionExpensefromPurchaseAccountingandAcquisitionRelatedCosts
Namespace Prefix:	tsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Business acquisition, Pro Forma Information, Transaction Related Expenses Incurred included in Pro Forma Results

+ References

No definition available.

+ Details

Name:	tsn_BusinessacquisitionProFormaInformationTransactionRelatedExpensesIncurredincludedinProFormaResults
Namespace Prefix:	tsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Quarterly Financial Data [Line Items]

+ References

No definition available.

+ Details

Name:	tsn_QuarterlyFinancialDataLineItems
Namespace Prefix:	tsn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Tax Benefit associated with Tax Contingencies

+ References

No definition available.

+ Details

Name:	tsn_TaxBenefitassociatedwithTaxContingencies
Namespace Prefix:	tsn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

Name:	us-gaap_AssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460

+ Details

Name:	us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to inventory acquired in connection with a business combination for which the initial accounting was incomplete.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 4A
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=SL65897772-128472

+ Details

Name:	us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentInventory
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

+ Details

Name:	us-gaap_RestructuringAndRelatedCostIncurredCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=tsn_NonProteinBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=tsn_FinancialFitnessProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=tsn_AdvancePierreMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_BridgeLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_NonrecurringAdjustmentAxis=us-gaap_FairValueAdjustmentToInventoryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_NonrecurringAdjustmentAxis=us-gaap_AcquisitionRelatedCostsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=tsn_SanDiegoPreparedFoodsoperationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=tsn_PreparedFoodsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Quarterly Financial Data (Unaudited) (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended						12 Months Ended
	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Quarterly Financial Data [Line Items]
Asset Impairment Charges							$ 214	$ 45	$ 285
Tax Expense Adjustment- related to tax contingencies				$ 26	$ 15	$ 12
Non-Protein Business [Member]
Quarterly Financial Data [Line Items]
Asset Impairment Charges	$ 45
Benefit Recognized on the Outside Basis Difference in an Asset Held for Sale		$ 26
Financial Fitness Program [Member]
Quarterly Financial Data [Line Items]
Restructuring and Related Cost, Incurred Cost	150						150
AdvancePierre [Member]
Quarterly Financial Data [Line Items]
Business Acquisition, Expense from Purchase Accounting and Acquisition Related Costs	26	77
AdvancePierre [Member] \| Bridge Loan [Member]
Quarterly Financial Data [Line Items]
Business Combination, Acquisition Related Costs		18
AdvancePierre [Member] \| Fair Value Adjustment to Inventory [Member]
Quarterly Financial Data [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory	12	24					36
AdvancePierre [Member] \| Acquisition-related Costs [Member]
Quarterly Financial Data [Line Items]
Business acquisition, Pro Forma Information, Transaction Related Expenses Incurred included in Pro Forma Results	$ 14	$ 35					$ 67
San Diego Prepared Foods operation [Member] \| Prepared Foods [Member]
Quarterly Financial Data [Line Items]
Asset Impairment Charges			$ 52