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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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