Condensed Consolidating Financial Statements (Condensed Consolidating Statement Of Cash Flows) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Dec. 27, 2014	Dec. 28, 2013
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Cash Provided by (Used for) Operating Activities	$ 812	$ 361
Cash Flows From Investing Activities:
Additions to property, plant and equipment	(231)	(140)
(Purchases of)/ Proceeds from marketable securities, net	(3)	(1)
Proceeds from sale of businesses	142	0
Other, net	3	(3)
Cash Used for Investing Activities	(89)	(144)
Cash Flows From Financing Activities:
Net change in debt	(668)us-gaap_ProceedsFromRepaymentsOfDebt	(373)us-gaap_ProceedsFromRepaymentsOfDebt
Purchases of Tyson Class A common stock	(91)	(159)
Dividends	(37)us-gaap_PaymentsOfDividendsCommonStock	(25)us-gaap_PaymentsOfDividendsCommonStock
Stock options exercised	16	12
Other, net	5	5
Net change in intercompany balances	0tsn_NetChangeInIntercompanyBalances	0tsn_NetChangeInIntercompanyBalances
Cash Used for Financing Activities	(775)	(540)
Effect of Exchange Rate Changes on Cash	(5)	3
Increase (Decrease) in Cash and Cash Equivalents	(57)	(320)
Cash and Cash Equivalents at Beginning of Year	438	1,145
Cash and Cash Equivalents at End of Period	381	825
TFI Parent [Member]
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Cash Provided by (Used for) Operating Activities	55	(4)
Cash Flows From Investing Activities:
Additions to property, plant and equipment	0	(1)
(Purchases of)/ Proceeds from marketable securities, net	0	0
Proceeds from sale of businesses	0
Other, net	0	0
Cash Used for Investing Activities	0	(1)
Cash Flows From Financing Activities:
Net change in debt	(667)	(367)
Purchases of Tyson Class A common stock	(91)	(159)
Dividends	(37)	(25)
Stock options exercised	16	12
Other, net	5	5
Net change in intercompany balances	719	539
Cash Used for Financing Activities	(55)	5
Effect of Exchange Rate Changes on Cash	0	0
Increase (Decrease) in Cash and Cash Equivalents	0	0
Cash and Cash Equivalents at Beginning of Year	0	0
Cash and Cash Equivalents at End of Period	0	0
TFM Parent, Guarantors [Member]
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Cash Provided by (Used for) Operating Activities	325	284
Cash Flows From Investing Activities:
Additions to property, plant and equipment	(40)	(35)
(Purchases of)/ Proceeds from marketable securities, net	0	0
Proceeds from sale of businesses	0
Other, net	0	1
Cash Used for Investing Activities	(40)	(34)
Cash Flows From Financing Activities:
Net change in debt	0	0
Purchases of Tyson Class A common stock	0	0
Dividends	0	0
Stock options exercised	0	0
Other, net	0	0
Net change in intercompany balances	(314)	(261)
Cash Used for Financing Activities	(314)	(261)
Effect of Exchange Rate Changes on Cash	0	0
Increase (Decrease) in Cash and Cash Equivalents	(29)	(11)
Cash and Cash Equivalents at Beginning of Year	41	21
Cash and Cash Equivalents at End of Period	12	10
Non-Guarantors [Member]
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Cash Provided by (Used for) Operating Activities	432	81
Cash Flows From Investing Activities:
Additions to property, plant and equipment	(191)	(104)
(Purchases of)/ Proceeds from marketable securities, net	(3)	(1)
Proceeds from sale of businesses	142
Other, net	3	(4)
Cash Used for Investing Activities	(49)	(109)
Cash Flows From Financing Activities:
Net change in debt	(1)	(6)
Purchases of Tyson Class A common stock	0	0
Dividends	0	0
Stock options exercised	0	0
Other, net	0	0
Net change in intercompany balances	(405)	(278)
Cash Used for Financing Activities	(406)	(284)
Effect of Exchange Rate Changes on Cash	(5)	3
Increase (Decrease) in Cash and Cash Equivalents	(28)	(309)
Cash and Cash Equivalents at Beginning of Year	397	1,124
Cash and Cash Equivalents at End of Period	369	815
Eliminations [Member]
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Cash Provided by (Used for) Operating Activities	0	0
Cash Flows From Investing Activities:
Additions to property, plant and equipment	0	0
(Purchases of)/ Proceeds from marketable securities, net	0	0
Proceeds from sale of businesses	0
Other, net	0	0
Cash Used for Investing Activities	0	0
Cash Flows From Financing Activities:
Net change in debt	0	0
Purchases of Tyson Class A common stock	0	0
Dividends	0	0
Stock options exercised	0	0
Other, net	0	0
Net change in intercompany balances	0	0
Cash Used for Financing Activities	0	0
Effect of Exchange Rate Changes on Cash	0	0
Increase (Decrease) in Cash and Cash Equivalents	0	0
Cash and Cash Equivalents at Beginning of Year	0	0
Cash and Cash Equivalents at End of Period	$ 0	$ 0

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

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Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets.

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The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The cash outflow to reacquire common stock during the period.

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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This element represents the cash inflow during the period from the sale of a component of the entity.

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The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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