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Pensions And Other Postretirement Benefits (Multiemployer Plans) (Details) $ in Millions	12 Months Ended
	Oct. 01, 2022 USD ($) plan	Oct. 02, 2021 USD ($)	Oct. 03, 2020 USD ($)
Multiemployer Plan [Line Items]
Multiemployer Plan, Number of Plans	1
Pension Plan [Member]
Multiemployer Plan [Line Items]
Multiemployer Plan, Employer Contribution, Cost	$ 2	$ 1
Defined Benefit Plan, Number of Plans | plan	4
Pension Plan [Member] | Defined Benefit Plan, Unfunded Plan | Nonqualified Plan
Multiemployer Plan [Line Items]
Defined Benefit Plan, Number of Plans | plan	3
Bakery and Confectionary Union | Pension Plan [Member]
Multiemployer Plan [Line Items]
Multiemployer Plan, Employer Contribution, Cost	$ 2	$ 1	$ 1
Multiemployer Plan, Pension, Insignificant, Collective-Bargaining Arrangement, Expiration Date	Aug. 02, 2024
Multiemployer Plans, Surcharge Imposed	10.00%
Pension Fund of Local 227
Multiemployer Plan [Line Items]
Multiemployer Plans, Withdrawal Obligation	$ 1

X

- Definition

Defined Benefit Plan, Number of Plans

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

X

- Definition

Multiemployer Plan, Number of Plans

+ References

No definition available.

+ Details

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Namespace Prefix:	tsn_
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Balance Type:	na
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X

- Definition

Multiemployer Plans, Surcharge Imposed

+ References

No definition available.

+ Details

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X

- Definition

Amount of cost for employer contribution to multiemployer plan. Multiemployer plan includes, but is not limited to, pension plan determined to be individually significant and insignificant and other postretirement benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 55
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 35
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=29639808&loc=d3e29008-114946

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450691-114947

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Balance Type:	debit
Period Type:	duration

X

- Definition

Expiration date of collective-bargaining arrangement (CBA) requiring contribution to multiemployer pension plan determined to be individually insignificant, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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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

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X

- Definition

Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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