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Mergers, Acquisitions and Dispositions - Narrative (Details) - USD ($) $ in Millions |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 30, 2024 | Dec. 28, 2023 | Oct. 31, 2022 | Dec. 29, 2024 | Dec. 31, 2023 | Jan. 01, 2023
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Goodwill |  |  |  | $ 1,613 | $ 1,627 | $ 1,617
Gain on disposal |  |  |  | 0 | 0 | 56
Business dispositions |  |  |  | $ 0 | $ 13 | $ 606
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  | Other Operating Income (Expense), Net |  |
Dry Sausage Facility |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Asset acquisition, consideration | $ 38 |  |  |  |  |
Asset acquisition, equipment | 17 |  |  |  |  |
Asset acquisition, buildings | 11 |  |  |  |  |
Asset acquisition, inventory | 5 |  |  |  |  |
Asset acquisition, land | $ 5 |  |  |  |  |
Saratoga | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Long-term assets of discontinued operations |  |  | $ 575 |  |  |
Goodwill |  |  | 47 |  |  |
Gain on disposal |  |  | 417 |  |  |
Business dispositions |  |  | $ 568 |  |  |
American Skin |  |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |  |
Percentage of voting interests acquired |  | 15.00% |  |  |  |
Business combination, consideration transferred |  | $ 15 |  |  |  |

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