Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal mass used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountMass
Namespace Prefix:	us-gaap_
Data Type:	num:massItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix:	us-gaap_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_SuccessorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=dd_CommodityContractCornMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=dd_CommodityContractSoybeanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=dd_CommodityContractSoybeanOilMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=dd_CommodityContractSoybeanMealMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_PredecessorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

(Notional Amounts of Derivatives) (Details) lb in Millions, bu in Millions, $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2017 USD ($) kt lb bu	Dec. 31, 2016 USD ($) kt lb bu
Successor \| Designated as Hedging Instrument [Member] \| Commodity Contract
Derivative [Line Items]
Derivative notional amounts \| $	$ 0
Successor \| Designated as Hedging Instrument [Member] \| Commodity Contract, Corn [Member]
Derivative [Line Items]
Derivative, Notional Amount, Volume \| bu	0.0
Successor \| Designated as Hedging Instrument [Member] \| Commodity Contract, Soybean [Member]
Derivative [Line Items]
Derivative, Notional Amount, Volume \| bu	0.0
Successor \| Not Designated as Hedging Instrument [Member] \| Commodity Contract
Derivative [Line Items]
Derivative notional amounts \| $	$ 8
Successor \| Not Designated as Hedging Instrument [Member] \| Foreign Currency Contract
Derivative [Line Items]
Derivative notional amounts \| $	$ 11,528
Successor \| Not Designated as Hedging Instrument [Member] \| Commodity Contract, Soybean [Member]
Derivative [Line Items]
Derivative, Notional Amount, Volume \| bu	0.5
Successor \| Not Designated as Hedging Instrument [Member] \| Commodity Contract, Soybean Oil [Member]
Derivative [Line Items]
Derivative, Notional Amount, Mass \| lb	3.3
Successor \| Not Designated as Hedging Instrument [Member] \| Commodity Contract, Soybean Meal [Member]
Derivative [Line Items]
Derivative, Notional Amount, Mass \| kt	4.8
Predecessor \| Designated as Hedging Instrument [Member] \| Commodity Contract
Derivative [Line Items]
Derivative notional amounts \| $		$ 422
Predecessor \| Designated as Hedging Instrument [Member] \| Commodity Contract, Corn [Member]
Derivative [Line Items]
Derivative, Notional Amount, Volume \| bu		55.2
Predecessor \| Designated as Hedging Instrument [Member] \| Commodity Contract, Soybean [Member]
Derivative [Line Items]
Derivative, Notional Amount, Volume \| bu		22.1
Predecessor \| Not Designated as Hedging Instrument [Member] \| Commodity Contract
Derivative [Line Items]
Derivative notional amounts \| $		$ 7
Predecessor \| Not Designated as Hedging Instrument [Member] \| Foreign Currency Contract
Derivative [Line Items]
Derivative notional amounts \| $		$ 9,896
Predecessor \| Not Designated as Hedging Instrument [Member] \| Commodity Contract, Soybean [Member]
Derivative [Line Items]
Derivative, Notional Amount, Volume \| bu		0.2
Predecessor \| Not Designated as Hedging Instrument [Member] \| Commodity Contract, Soybean Oil [Member]
Derivative [Line Items]
Derivative, Notional Amount, Mass \| lb		7.3
Predecessor \| Not Designated as Hedging Instrument [Member] \| Commodity Contract, Soybean Meal [Member]
Derivative [Line Items]
Derivative, Notional Amount, Mass \| kt		9.1