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Segment Information (Schedule of Segment Information) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Net sales | $ 7,743 | $ 7,405 |
Segment operating earnings | 1,991 | 1,717 |
Agriculture [Member] |  |  |
Net sales | 3,928 | 3,786 |
Segment operating earnings | 1,236 | 1,101 |
Segment net assets | 9,131 |  | $ 6,342
Increase in net assets | 2,789 |  |
Electronics & Communications [Member] |  |  |
Net sales | 510 | 452 |
Segment operating earnings | 89 | 59 |
Industrial Biosciences [Member] |  |  |
Net sales | 368 | 352 |
Segment operating earnings | 75 | 63 |
Nutrition & Health [Member] |  |  |
Net sales | 789 | 801 |
Segment operating earnings | 121 | 104 |
Performance Materials [Member] |  |  |
Net sales | 1,368 | 1,249 |
Segment operating earnings | 355 | 273 |
Protection Solutions [Member] |  |  |
Net sales | 747 | 729 |
Segment operating earnings | 177 | 176 |
Other Segment [Member] |  |  |
Net sales | 33 | 36 |
Segment operating earnings | (62) | (59) |
Operating Segments [Member] |  |  |
Segment operating earnings | $ 1,991 | $ 1,717 |

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