Earnings Per Share, Basic and Diluted [Line Items]

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- Definition

Incremental Common Shares Attributable to Dilutive Effect of Tangible Equity Units

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- Definition

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

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- Definition

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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- Definition

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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- Definition

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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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

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

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- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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- Definition

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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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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Earnings Per Share (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Earnings Per Share, Basic and Diluted [Line Items]
Net Income	$ 395	$ 448	$ 341	$ 594	$ 392	$ 485	$ 434	$ 461	$ 1,778	$ 1,772	$ 1,224
Less: Net income attributable to noncontrolling interest									4	4	4
Net Income Attributable to Tyson	$ 394	$ 447	$ 340	$ 593	$ 391	$ 484	$ 432	$ 461	1,774	1,768	1,220
Undistributed earnings									$ 1,428	$ 1,535	$ 1,065
Stock options and restricted stock									4	5	5
Tangible Equity Units									0	0	3
Denominator for diluted earnings per share - adjusted weighted average shares and assumed conversions									370	390	413
Net Income Per Share Attributable to Tyson - Diluted	$ 1.07	$ 1.21	$ 0.92	$ 1.59	$ 1.03	$ 1.25	$ 1.10	$ 1.15	$ 4.79	$ 4.53	$ 2.95
Class A [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less dividends declared:									$ 285	$ 192	$ 129
Undistributed earnings									$ 1,177	$ 1,279	$ 896
Weighted average number of shares outstanding - Basic									296	315	335
Net Income Per Share Attributable to Tyson - Basic	1.10	1.24	0.95	1.64	1.06	1.29	1.14	1.18	$ 4.94	$ 4.67	$ 3.06
Class B [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less dividends declared:									$ 61	$ 41	$ 26
Undistributed earnings									$ 251	$ 256	$ 169
Weighted average number of shares outstanding - Basic									70	70	70
Net Income Per Share Attributable to Tyson - Basic	$ 0.98	$ 1.12	$ 0.86	$ 1.49	$ 0.96	$ 1.17	$ 1.02	$ 1.09	$ 4.45	$ 4.24	$ 2.79