XML 157 R101.htm IDEA: XBRL DOCUMENT v2.4.1.9
Long-Term Employee Benefits (Schedule of Assumptions Used to Determine Benefit Obligations) (Details)
Dec. 31, 2014
Dec. 31, 2013
Pension Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 3.78%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
/ dd_PostretirementBenefitsTypeofDeferredCompensationAxis
= us-gaap_PensionPlansDefinedBenefitMember		 4.58%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
/ dd_PostretirementBenefitsTypeofDeferredCompensationAxis
= us-gaap_PensionPlansDefinedBenefitMember
Rate of compensation increase 4.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
/ dd_PostretirementBenefitsTypeofDeferredCompensationAxis
= us-gaap_PensionPlansDefinedBenefitMember		 [1] 4.22%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
/ dd_PostretirementBenefitsTypeofDeferredCompensationAxis
= us-gaap_PensionPlansDefinedBenefitMember		 [1]
Other Long-Term Employee Benefit Plans [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 3.95%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
/ dd_PostretirementBenefitsTypeofDeferredCompensationAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember		 4.60%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
/ dd_PostretirementBenefitsTypeofDeferredCompensationAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Rate of compensation increase 0.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
/ dd_PostretirementBenefitsTypeofDeferredCompensationAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember		 [1] 0.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
/ dd_PostretirementBenefitsTypeofDeferredCompensationAxis
= us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember		 [1]
[1] The rate of compensation increase represents the single annual effective salary increase that an average plan participant would receive during the participant's entire career at the company.