Name:	dd_DefinedContributionPlanEstimatedFutureEmployerContributionsInNextFiscalYear
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Percentage of employees' gross pay for which the employer contributes a contribution to a defined contribution plan, regardless of the employee's contribution.

No definition available.

Name:	dd_PercentOfEligibleCompensationContributedToDefinedContributionPlan
Namespace Prefix:	dd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 710

-SubTopic 10

-Section 55

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Data Type:	xbrli:durationItemType
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Data Type:	xbrli:stringItemType
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Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage employer matches of the employee's percentage contribution matched.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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Namespace Prefix:
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Balance Type:
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Name:	dd_PostretirementBenefitsTypeofDeferredCompensationAxis=dd_OtherDefinedContributionPlansMember
Namespace Prefix:
Data Type:	na
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Name:	dd_PostretirementBenefitsTypeofDeferredCompensationAxis=dd_USDefinedContributionPlansMember
Namespace Prefix:
Data Type:	na
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Name:	dd_PostretirementBenefitsTypeofDeferredCompensationAxis=dd_UsRetirementSavingsPlanMember
Namespace Prefix:
Data Type:	na
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