Earnings Per Share (Schedule Of Earnings Per Share, Basic And Diluted) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
Dec. 27, 2014	Dec. 28, 2013
Earnings Per Share, Basic and Diluted [Line Items]
Net income	$ 310	$ 252
Less: Net income (loss) attributable to noncontrolling interest	1	(2)
Net income attributable to Tyson	309	254
Undistributed earnings	263us-gaap_UndistributedEarnings	220us-gaap_UndistributedEarnings
Stock options and restricted stock	5	5
Tangible Equity Units	5	0
Warrants	0	8
Denominator for diluted earnings per share - adjusted weighted average shares and assumed conversions	416	354
Net Income Per Share Attributable to Tyson - Diluted	$ 0.74us-gaap_EarningsPerShareDiluted	$ 0.72us-gaap_EarningsPerShareDiluted
Class A [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less Dividends Declared:	38	28
Undistributed earnings	221	179
Weighted average number of shares outstanding - Basic	336	271
Net Income Per Share Attributable to Tyson - Basic	$ 0.77	$ 0.76
Class B [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less Dividends Declared:	8	6
Undistributed earnings	$ 42	$ 41
Weighted average number of shares outstanding - Basic	70	70
Net Income Per Share Attributable to Tyson - Basic	$ 0.71	$ 0.68

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Incremental Common Shares Attributable to Dilutive Effect of Tangible Equity Units

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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The earnings that is allocated to common stock and participating securities to the extent that each security may share in earnings as if all of the earnings for the period had been distributed.

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