XML 42 R32.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary of Significant Accounting Policies Venezuelan Foreign Currency Translation (Details) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2014 USD ($) | Sep. 30, 2014 Foreign exchange rate - Bolivar [Member] VEF
Official currency exchange rate in Venezuela |  | 6.3
SICAD 2 pre-tax charge | $ 58,000,000 |

X
- Definition Official currency exchange rate in Venezuela set through the National Center for Foreign Commerce. + References No definition available. + Details
Name: | dd_OfficialcurrencyexchangerateinVenezuela
Namespace Prefix: | dd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Pre-tax charge related to the remeasurement of the company's BsF denominated net monetary assets using the SICAD 2 rate. + References No definition available. + Details
Name: | dd_SICAD2pretaxcharge
Namespace Prefix: | dd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration