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Acquisitions - Verdient (Details) $ in Millions, $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 03, 2020 USD ($) | Nov. 03, 2020 CAD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2019 USD ($)
Acquisitions |  |  |  |  |
Goodwill |  |  | $ 902 | $ 791 | $ 801
Verdient Foods, Inc. |  |  |  |  |
Acquisitions |  |  |  |  |
Percentage acquired |  |  |  | 20.00% |
Verdient Foods, Inc. |  |  |  |  |
Acquisitions |  |  |  |  |
Additional percentage of outstanding shares acquired | 80.00% |  | 80.00% |  |
Equity method investment, Other than temporary impairment |  |  | $ 10 |  |
Cash consideration | $ 26 | $ 33 |  |  |
Goodwill | 14 |  |  |  |
Tangible assets, net | $ 15 |  |  |  |

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