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Equity (Schedule of Share Repurchases) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 27, 2014	Dec. 28, 2013
Class of Stock [Line Items]
Payments for Repurchase of Common Stock	$ 91us-gaap_PaymentsForRepurchaseOfCommonStock	$ 159us-gaap_PaymentsForRepurchaseOfCommonStock
Class A [Member]
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired	2.2us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember	4.9us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
Payments for Repurchase of Common Stock	91us-gaap_PaymentsForRepurchaseOfCommonStock / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember	159us-gaap_PaymentsForRepurchaseOfCommonStock / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
Share Repurchase Program [Member] | Class A [Member]
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired	2.0us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = tsn_ShareRepurchaseProgramMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember	4.6us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = tsn_ShareRepurchaseProgramMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
Payments for Repurchase of Common Stock	81us-gaap_PaymentsForRepurchaseOfCommonStock / us-gaap_ShareRepurchaseProgramAxis = tsn_ShareRepurchaseProgramMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember	150us-gaap_PaymentsForRepurchaseOfCommonStock / us-gaap_ShareRepurchaseProgramAxis = tsn_ShareRepurchaseProgramMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
Open Market Repurchases [Member] | Class A [Member]
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired	0.2us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = tsn_OpenMarketRepurchasesMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember	0.3us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = tsn_OpenMarketRepurchasesMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember
Payments for Repurchase of Common Stock	$ 10us-gaap_PaymentsForRepurchaseOfCommonStock / us-gaap_ShareRepurchaseProgramAxis = tsn_OpenMarketRepurchasesMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember	$ 9us-gaap_PaymentsForRepurchaseOfCommonStock / us-gaap_ShareRepurchaseProgramAxis = tsn_OpenMarketRepurchasesMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonClassAMember

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Period Type:	duration

X

- Definition

The cash outflow to reacquire common stock during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

+ Details

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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