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Segment Information-DRC (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jul. 01, 2017 | Jun. 30, 2018 | Jul. 01, 2017 | Dec. 31, 2017
Segment Information |  |  |  |  |
Total investment in affiliate | $ 849 |  | $ 849 |  | $ 851
Loss from affiliates | (16) | $ (8) | (22) | $ (7) |
Commodity Trading and Milling |  |  |  |  |
Segment Information |  |  |  |  |
Total investment in affiliate | 255 |  | 255 |  | 240
Loss from affiliates | $ (4) | $ 2 | $ (6) | $ 6 |
Bakery business | Commodity Trading and Milling | Democratic Republic of Congo |  |  |  |  |
Segment Information |  |  |  |  |
Percentage of ownership interest accounted for as equity method investment | 50.00% |  | 50.00% |  |
Total investment in affiliate | $ 0 |  | $ 0 |  |
Notes receivable from affiliates, net | $ 11 |  | $ 11 |  | $ 15
Percentage of note receivable guaranteed by the other shareholder | 50.00% |  | 50.00% |  |
Loss from affiliates | $ 2 |  | $ 4 |  |

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