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Other Intangible Assets (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Millions | Mar. 31, 2016 | Dec. 31, 2015
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Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross |  | $ 3,502 | $ 3,454
Definite-lived Intangible Assets, Accumulated Amortization |  | (1,610) | (1,483)
Definite-lived Intangible Assets, Net |  | 1,892 | 1,971
Indefinite-lived Intangible Assets |  | 2,179 | 2,173
Total Intangible Assets, Gross |  | 5,681 | 5,627
Total Intangible Assets, Accumulated Amortization |  | (1,610) | (1,483)
Intangible Assets Net Excluding Goodwill |  | 4,071 | 4,144
In Process Research and Development [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets |  | 71 | 72
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 |  | 1,048 | 1,048
Trademarks/Tradenames [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Indefinite-lived Intangible Assets |  | 754 | 747
Customer Lists [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross |  | 1,635 | 1,621
Definite-lived Intangible Assets, Accumulated Amortization |  | (552) | (529)
Definite-lived Intangible Assets, Net |  | 1,083 | 1,092
Patents [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross |  | 457 | 454
Definite-lived Intangible Assets, Accumulated Amortization |  | (232) | (220)
Definite-lived Intangible Assets, Net |  | 225 | 234
Purchased and Licensed Technology [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross |  | 1,204 | 1,173
Definite-lived Intangible Assets, Accumulated Amortization |  | (736) | (649)
Definite-lived Intangible Assets, Net |  | 468 | 524
Trademarks [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross |  | 26 | 26
Definite-lived Intangible Assets, Accumulated Amortization |  | (14) | (13)
Definite-lived Intangible Assets, Net |  | 12 | 13
Other [Member] |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived Intangible Assets, Gross | [1] | 180 | 180
Definite-lived Intangible Assets, Accumulated Amortization | [1] | (76) | (72)
Definite-lived Intangible Assets, Net | [1] | $ 104 | $ 108
[1] | Primarily consists of sales and grower networks, marketing and manufacturing alliances and noncompetition agreements.

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