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Segment Information-CT&M and Marine (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Apr. 01, 2017 | Jul. 01, 2017 | Jul. 02, 2016 | Dec. 31, 2016
Segment Information |  |  |  |
Principal payments received on notes receivable from affiliates |  | $ 3 | $ 6 |
Total investment in affiliate |  | 824 |  | $ 773
Commodity Trading and Milling |  |  |  |
Segment Information |  |  |  |
Total investment in affiliate |  | 231 |  | 207
Marine |  |  |  |
Segment Information |  |  |  |
Total investment in affiliate |  | $ 29 |  | 33
Holding company owning interest in Caribbean terminal operation | Marine |  |  |  |
Segment Information |  |  |  |
Total investment in affiliate |  |  |  | 14
Notes receivable from affiliate |  |  |  | 2
Receivable from affiliate |  |  |  | $ 1
Write-down on investment | $ 5 |  |  |
Write down on notes receivable from affiliate | 1 |  |  |
Write down on receivable from affiliate | $ 3 |  |  |
Percentage of ownership interest accounted as equity method investment |  | 36.00% |  |

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