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Segment Information - CT&M Segment (Details) - CT&M - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 05, 2018 | Apr. 01, 2017 | Dec. 31, 2017 | Dec. 31, 2016
Senegal, Ivory Coast and Monaco |  |  |  |
Segment Information |  |  |  |
Acquisition of business | $ 324 |  |  |
Earn-out, low end of range | 0 |  |  |
Earn-out, high end of range | $ 48 |  |  |
Bakery business | Democratic Republic of Congo | Notes receivable |  |  |  |
Segment Information |  |  |  |
Reserve on receivables from affiliates |  |  |  | $ 16
Pulse and grain elevator |  |  |  |
Segment Information |  |  |  |
Acquisition of business |  | $ 14 | $ 14 |

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