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Business and Summary of Significant Accounting Policies New Accounting Pronouncements (Details)	Sep. 28, 2019
Property, Plant and Equipment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lessee, Operating Leases, Right of Use Assets	2.00%

X

- Definition

Lessee, Operating Leases, Right of Use Assets

+ References

No definition available.

+ Details

Name:	tsn_LesseeOperatingLeasesRightofUseAssets
Namespace Prefix:	tsn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_PropertyPlantAndEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: