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Divestiures, West Africa Investments and Acquisitions Multipro Acquisition Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 02, 2019 | Jun. 30, 2018 | Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018 | May 02, 2018
Business Acquisition [Line Items] |  |  |  |  |  |
Equity Method Investment, Realized Gain (Loss) on Disposal |  |  | $ 0 | $ 0 | $ 200 |
Goodwill |  |  | $ 5,799 | $ 5,861 | 6,050 |
Multipro |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Equity method investment incremental ownership percentage |  |  |  |  |  | 1.00%
Purchase price adjustments |  |  |  |  | $ 1 |
Equity method investment ownership percentage |  |  |  |  | 51.00% |
Equity Method Investment, Realized Gain (Loss) on Disposal |  | $ 245 |  |  | $ 245 |
Tolaram Africa Foods (TAF) PTE LTD |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Payments to acquire businesses, gross | $ 419 |  |  |  |  |
Equity method investment ownership percentage |  |  |  |  |  | 50.00%
TAF Investment in Affiliated Food Manufacturer |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Equity method investment ownership percentage |  |  |  |  |  | 49.00%
Affiliated Food Manufacturer |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Equity method investment ownership percentage |  |  |  |  |  | 24.50%
Multipro and Tolaram Africa Foods PTE LTD |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Aggregate consideration paid and fair value of previously held equity investment |  |  |  |  | 626 |
Aggregate consideration paid and fair value of previously held equity investment, net of cash acquired |  |  |  |  | $ 617 |

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