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Acquistions, West Africa Investments, Goodwill and Other Intangible Assets Acquisitions, West Africa Investments, Goodwill and Other Intangible Assets - Impairment Testing (Details) - USD ($) $ in Millions | Jun. 29, 2019 | Dec. 29, 2018
--- | --- | ---
Goodwill [Line Items] |  |
Goodwill | $ 5,871 | $ 6,050
Kashi |  |
Goodwill [Line Items] |  |
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount |  | 18.00%
Europe transfer to AMEA |  |
Goodwill [Line Items] |  |
Goodwill | 46 |
North America |  |
Goodwill [Line Items] |  |
Goodwill | 4,422 | $ 4,611
Held for sale goodwill | 191 |
Held for sale net intangibles | $ 765 |

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