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Segment Information (Schedule of Segment Information) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Net sales | $ 4,917 | $ 4,873 | $ 19,383 | $ 19,831 |
Segment operating earnings | 607 | 433 | 3,937 | 3,690 |
Agriculture [Member] |  |  |  |  |
Net sales | 1,119 | 1,093 | 8,123 | 8,248 |
Segment operating earnings | (189) | (210) | 1,777 | 1,700 |
Segment net assets | 10,121 |  | 10,121 |  | $ 6,751
Increase in net assets |  |  | 3,370 |  |
Electronics & Communications [Member] |  |  |  |  |
Net sales | 493 | 532 | 1,439 | 1,577 |
Segment operating earnings | 108 | 104 | 260 | 272 |
Industrial Biosciences [Member] |  |  |  |  |
Net sales | 392 | 374 | 1,099 | 1,081 |
Segment operating earnings | 78 | 61 | 203 | 165 |
Nutrition & Health [Member] |  |  |  |  |
Net sales | 823 | 810 | 2,459 | 2,449 |
Segment operating earnings | 135 | 102 | 369 | 288 |
Performance Materials [Member] |  |  |  |  |
Net sales | 1,334 | 1,302 | 3,918 | 4,021 |
Segment operating earnings | 371 | 317 | 969 | 935 |
Protection Solutions [Member] |  |  |  |  |
Net sales | 722 | 723 | 2,237 | 2,319 |
Segment operating earnings | 162 | 146 | 526 | 494 |
Other Segment [Member] |  |  |  |  |
Net sales | 34 | 39 | 108 | 136 |
Segment operating earnings | (58) | (87) | (167) | (164) |
Operating Segments [Member] |  |  |  |  |
Segment operating earnings | $ 607 | $ 433 | $ 3,937 | $ 3,690 |

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