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Other Intangible Assets (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Millions | Jun. 30, 2015 | Dec. 31, 2014
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Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross |  | $ 4,110 | $ 4,226
Definite-lived Intangible Assets, Accumulated Amortization |  | (2,025) | (1,845)
Definite-lived Intangible Assets, Net |  | 2,085 | 2,381
Indefinite-lived Intangible Assets |  | 2,201 | 2,199
Total Intangible Assets, Gross |  | 6,311 | 6,425
Total Intangible Assets, Accumulated Amortization |  | (2,025) | (1,845)
Intangible Assets Net Excluding Goodwill |  | 4,286 | 4,580
In Process Research and Development [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets |  | 77 | 29
Microbial Cell Factories [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets |  | 306 | 306
Pioneer Germplasm [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets |  | 1,062 | 1,064
Trademarks/Tradenames [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets |  | 756 | 800
Customer Lists [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross |  | 1,637 | 1,706
Definite-lived Intangible Assets, Accumulated Amortization |  | (500) | (470)
Definite-lived Intangible Assets, Net |  | 1,137 | 1,236
Patents [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross |  | 476 | 493
Definite-lived Intangible Assets, Accumulated Amortization |  | (215) | (199)
Definite-lived Intangible Assets, Net |  | 261 | 294
Purchased and Licensed Technology [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross |  | 1,777 | 1,789
Definite-lived Intangible Assets, Accumulated Amortization |  | (1,223) | (1,074)
Definite-lived Intangible Assets, Net |  | 554 | 715
Trademarks [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross |  | 31 | 31
Definite-lived Intangible Assets, Accumulated Amortization |  | (15) | (14)
Definite-lived Intangible Assets, Net |  | 16 | 17
Other [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross | [1] | 189 | 207
Definite-lived Intangible Assets, Accumulated Amortization | [1] | (72) | (88)
Definite-lived Intangible Assets, Net | [1] | $ 117 | $ 119
[1] | Primarily consists of sales and grower networks, marketing and manufacturing alliances and noncompetition agreements.

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