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Contingencies (Narrative) (Details) |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended
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Sep. 29, 2025 USD ($) | Sep. 25, 2025 USD ($) | Apr. 11, 2025 USD ($) | Dec. 22, 2023 USD ($) | Jan. 19, 2021 USD ($) | Dec. 21, 2016 USD ($) plaintiff | Nov. 29, 2016 USD ($) plaintiff | May 31, 2024 USD ($) | Sep. 27, 2025 USD ($) | Sep. 28, 2024 USD ($) | Sep. 30, 2023 USD ($) | Oct. 02, 2021 USD ($) | Dec. 31, 2004 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual |  |  |  |  |  |  |  |  | $ 712,000,000 | $ 349,000,000 |  |  |
Loss Contingency, Loss in Period |  |  |  |  |  |  |  |  | 40,000,000 | 129,000,000 |  |  |
Chicken [Member] | Sales |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Loss in Period |  |  |  |  |  |  |  |  |  |  | $ 156,000,000 |  |
Pork [Member] | Sales |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Loss in Period |  |  |  |  |  |  |  |  | 380,000,000 | 45,000,000 |  |  |
Beef [Member] | Sales |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Loss in Period |  |  |  |  |  |  |  |  | 318,000,000 |  |  |  |
Republic of the Philippines, Department of Labor and Employment and the National Labor Relations Commission [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Number of Plaintiffs, Award Increase | plaintiff |  |  |  |  |  |  | 4,922 |  |  |  |  |  |
Estimated Percentage of Settling Complainants |  |  |  |  |  | 18.00% |  |  |  |  |  |  |
Loss Contingency, Number of Plaintiffs | plaintiff |  |  |  |  |  | 5,984 | 5,984 |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss Per Complainant |  |  |  |  |  | $ 1,200 |  |  |  |  |  |  |
Broiler Antitrust Civil Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  |  |  |  | $ 221,500,000 |  |  |  |  |  |  |  |
Republic of the Philippines, Department of Labor and Employment |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Awarded, Value |  |  |  |  |  |  | $ 255,000,000 |  |  |  |  |  | $ 59,000,000
Broiler Antitrust Civil Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual |  |  |  |  |  |  |  |  | 64,000,000 | 86,000,000 |  |  |
Payments for Legal Settlements |  |  |  |  |  |  |  |  | 22,000,000 | 98,000,000 | 94,000,000 |  |
Broiler Antitrust Civil Litigation [Member] | Chicken [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Loss in Period |  |  |  |  |  |  |  |  |  |  |  | $ 545,000,000 |
Broiler Antitrust Civil Litigation [Member] | Chicken [Member] | Sales |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Loss in Period |  |  |  |  |  |  |  |  |  |  | $ 156,000,000 |  |
Wage Rate Litigation |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  |  |  | $ 72,500,000 |  |  |  | $ 115,500,000 |  |  |  |  |
Loss Contingency Accrual |  |  |  |  |  |  |  |  | 0 | 72,500,000 |  |  |
Payments for Legal Settlements |  |  |  |  |  |  |  |  | 72,500,000 |  |  |  |
Wage Rate Litigation | Sales |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Loss in Period |  |  |  |  |  |  |  |  |  | 72,500,000 |  |  |
Pork Antitrust Civil Litigation |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  | $ 85,000,000 | $ 50,000,000 |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual |  |  |  |  |  |  |  |  | 268,000,000 | 45,000,000 |  |  |
Pork Antitrust Civil Litigation | Pork [Member] | Sales |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for Legal Settlements |  |  |  |  |  |  |  |  | 50,000,000 |  |  |  |
Loss Contingency, Loss in Period |  |  |  |  |  |  |  |  | 380,000,000 | $ 45,000,000 |  |  |
Beef Antitrust Civil Litigation |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual |  |  |  |  |  |  |  |  | 318,000,000 |  |  |  |
Beef Antitrust Civil Litigation | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party | $ 55,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Beef Antitrust Civil Litigation | Beef [Member] | Sales |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Loss in Period |  |  |  |  |  |  |  |  | $ 318,000,000 |  |  |  |

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