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Equity (Narrative) (Details) $ / shares in Units, TEUPurchaseContracts in Millions |  |  |  | 2 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Nov. 16, 2016 $ / shares | Feb. 04, 2016 shares | Sep. 15, 2015 $ / shares | Nov. 21, 2016 USD ($) shares | Oct. 01, 2016 USD ($) shares TEUPurchaseContracts Classes $ / shares | Oct. 03, 2015 USD ($) $ / shares shares | Sep. 27, 2014 USD ($) shares $ / shares
Class of Stock [Line Items] |  |  |  |  |  |  |
Number of classes of common stock | Classes |  |  |  |  | 2 |  |
Cash Dividends, Paid Ratio To Other Class Of Stock, Maximum |  |  |  |  | 90.00% |  |
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased | shares |  |  |  |  | 40,300,000 |  |
Purchases of Tyson Class A common stock | $ |  |  |  |  | $ 1,944,000,000 | $ 495,000,000 | $ 295,000,000
Proceeds from issuance of common stock, net of issuance costs | $ |  |  |  |  | 0 | 0 | $ 873,000,000
TEUs issued (in units) | shares |  |  |  |  |  |  | 30,000,000
TEUs, Dividend Rate |  |  |  |  |  |  | 4.75%
Net proceeds from issuance of TEUs | $ |  |  |  |  |  |  | $ 1,454,000,000
TEUs, stated amount per unit (in dollars per unit) |  |  |  |  |  |  | $ 50
TEUs, Equity Component | $ |  |  |  |  |  |  | $ 1,295,000,000
TEUs, Debt Component | $ |  |  |  |  | $ 71,000,000 | $ 140,000,000 | 205,000,000
Tangible Equity Units, Purchase Contracts, Settled | TEUPurchaseContracts |  |  |  |  | 17.7 |  |
Tangible Equity Units, Outstanding | $ |  |  |  |  | 12,300,000 |  |
Convertible Debt [Member] | Tangible Equity Unit, Senior Amortizing Note [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Senior amortizing note, initial principal amount | $ |  |  |  |  |  |  | $ 6.83
Senior amortizing note, interest rate |  |  |  |  |  |  | 1.50%
Senior amortizing note, quarterly principal and interest payment, first three annual quarters | $ |  |  |  |  |  |  | $ 0.59
Hillshire Brands Company [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Proceeds from issuance of common stock, net of issuance costs | $ |  |  |  |  |  |  | $ 873,000,000
Tyson Limited Partnership And Tyson Family [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Related Party Voting Rights Percentage |  |  |  |  | 71.18% |  |
Class A [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Common stock, par value |  |  |  |  | $ 0.1 | $ 0.10 |
Common Stock, Vote Entitlement Per Share |  |  |  |  | 1 |  |
Common Stock, Dividends, Per Share, Cash Paid |  |  | $ 0.15 |  | 0.60 | 0.40 | $ 0.30
Common Stock, Dividends, Per Share, Declared |  |  |  |  | $ 0.650 | $ 0.425 | $ 0.325
Purchase of Class A common stock, shares | shares |  |  |  |  | 32,100,000 | 11,900,000 | 8,300,000
Purchases of Tyson Class A common stock | $ |  |  |  |  | $ 1,944,000,000 | $ 495,000,000 | $ 295,000,000
Stock Issued During Period, Shares, New Issues | shares |  |  |  |  | 18,000,000 | 0 | 24,000,000
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares |  |  |  |  | 18,800,000 |  |
Class A [Member] | Convertible Debt [Member] | Tangible Equity Unit, Senior Amortizing Note [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Senior amortizing note, conversion price |  |  |  |  | $ 46.90 |  |
Senior amortizing note, number of shares per contract if Applicable Market Value equal to or greater than conversion price | shares |  |  |  |  | 1.0660 |  |
Senior amortizing note, reference price |  |  |  |  | $ 37.52 |  |
Senior amortizing note, if applicable market value greater than reference price, number of shares equal to amount divided by Applicable Market Value |  |  |  |  | $ 50 |  |
Senior amortizing note, number of shares per contract, if Applicable Market Value is less than or equal to reference price | shares |  |  |  |  | 1.3326 |  |
Senior amortizing note, consecutive trading days for calculation of applicable market value |  |  |  |  | 20 days |  |
Debt Instrument, Convertible, Dividend Threshold Amount |  |  |  |  | $ 0.075 |  |
Senior amortizing note, incremental common shares attributable to dilutive effect of conversion, if applicable market value higher than reference price | shares |  |  |  |  | 3,300,000 |  |
Class A [Member] | Convertible Debt [Member] | Tangible Equity Unit, Senior Amortizing Note [Member] | Minimum [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Senior amortizing note, number of shares to be issued | shares |  |  |  |  | 13,100,000 |  |
Class A [Member] | Convertible Debt [Member] | Tangible Equity Unit, Senior Amortizing Note [Member] | Maximum [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Senior amortizing note, number of shares to be issued | shares |  |  |  |  | 16,400,000 |  |
Class A [Member] | Hillshire Brands Company [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares |  |  |  |  |  |  | 23,800,000
Class A [Member] | Share Repurchase Program [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Stock Repurchase Program, Increase (Decrease) in Authorized Shares | shares |  | 50,000,000 |  |  |  |  |
Purchase of Class A common stock, shares | shares |  |  |  |  | 30,800,000 | 11,000,000 | 7,100,000
Purchases of Tyson Class A common stock | $ |  |  |  |  | $ 1,868,000,000 | $ 455,000,000 | $ 250,000,000
Class A [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.225 |  |  |  |  |  |
Class A [Member] | Subsequent Event [Member] | Share Repurchase Program [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Purchase of Class A common stock, shares | shares |  |  |  | 3,600,000 |  |  |
Purchases of Tyson Class A common stock | $ |  |  |  | $ 255,000,000 |  |  |
Class A [Member] | Tyson Limited Partnership And Tyson Family [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Tyson Family Ownership Percentage |  |  |  |  | 2.06% |  |
Class B [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Common stock, par value |  |  |  |  | $ 0.1 | $ 0.10 |
Common Stock, Vote Entitlement Per Share |  |  |  |  | 10 |  |
Common Stock, Dividends, Per Share, Cash Paid |  |  |  |  | 0.54 | 0.36 | $ 0.27
Common Stock, Dividends, Per Share, Declared |  |  |  |  | $ 0.585 | $ 0.383 | $ 0.294
Class B [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.2025 |  |  |  |  |  |
Class B [Member] | Tyson Limited Partnership [Member] |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Tyson Family Ownership Percentage |  |  |  |  | 99.985% |  |

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