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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 | 12 Months Ended
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Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 29, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 28, 2013 | Sep. 29, 2012 | Oct. 01, 2011
Earnings Per Share, Basic and Diluted [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | $ 848 | $ 614 | $ 738
Less: Net loss from continuing operations attributable to noncontrolling interest |  |  |  |  |  |  |  |  | 0 | (7) | (14)
Net income from continuing operations attributable to Tyson | 261 | 253 | 157 | 177 | 207 | 82 | 170 | 162 | 848 | 621 | 752
Undistributed earnings |  |  |  |  |  |  |  |  | 742 | 564 | 693
Stock options and restricted stock |  |  |  |  |  |  |  |  | 5 | 4 | 6
Convertible 2013 Notes |  |  |  |  |  |  |  |  | 7 | 3 | 1
Warrants |  |  |  |  |  |  |  |  | 3 | 0 | 0
Denominator for diluted earnings per share - adjusted weighted average shares and assumed conversions |  |  |  |  |  |  |  |  | 367 | 370 | 380
Net Income Per Share from Continuing Operations Attributable to Tyson - Diluted | $ 0.70 | $ 0.69 | $ 0.43 | $ 0.49 | $ 0.57 | $ 0.22 | $ 0.46 | $ 0.43 | $ 2.31 | $ 1.68 | $ 1.98
Net Income Per Share Attributable to Tyson - Diluted | $ 0.70 | $ 0.68 | $ 0.26 | $ 0.48 | $ 0.51 | $ 0.21 | $ 0.44 | $ 0.42 | $ 2.12 | $ 1.58 | $ 1.97
Class A [Member] |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic and Diluted [Line Items] |  |  |  |  |  |  |  |  |  |  |
Less dividends: |  |  |  |  |  |  |  |  | 87 | 47 | 49
Undistributed earnings |  |  |  |  |  |  |  |  | 606 | 464 | 574
Weighted average number of shares outstanding - Basic |  |  |  |  |  |  |  |  | 282 | 293 | 303
Net Income Per Share from Continuing Operations Attributable to Tyson - Basic | $ 0.77 | $ 0.73 | $ 0.45 | $ 0.51 | $ 0.59 | $ 0.23 | $ 0.48 | $ 0.45 | $ 2.46 | $ 1.75 | $ 2.05
Net Income Per Share Attributable to Tyson - Basic | $ 0.77 | $ 0.72 | $ 0.27 | $ 0.50 | $ 0.53 | $ 0.21 | $ 0.47 | $ 0.43 | $ 2.26 | $ 1.64 | $ 2.04
Class B [Member] |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic and Diluted [Line Items] |  |  |  |  |  |  |  |  |  |  |
Less dividends: |  |  |  |  |  |  |  |  | 19 | 10 | 10
Undistributed earnings |  |  |  |  |  |  |  |  | $ 136 | $ 100 | $ 119
Weighted average number of shares outstanding - Basic |  |  |  |  |  |  |  |  | 70 | 70 | 70
Net Income Per Share from Continuing Operations Attributable to Tyson - Basic | $ 0.70 | $ 0.66 | $ 0.40 | $ 0.46 | $ 0.53 | $ 0.20 | $ 0.43 | $ 0.41 | $ 2.22 | $ 1.57 | $ 1.84
Net Income Per Share Attributable to Tyson - Basic | $ 0.70 | $ 0.64 | $ 0.25 | $ 0.45 | $ 0.48 | $ 0.19 | $ 0.42 | $ 0.39 | $ 2.04 | $ 1.48 | $ 1.84
Stock-based compensation [Member] |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic and Diluted [Line Items] |  |  |  |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  |  |  |  |  |  |  |  | 0 | 4 | 4

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