Cash distribution received from Chemours in connection with completion of the spin-off.

No definition available.

Name:	dd_CashdistributionreceivedfromChemours
Namespace Prefix:	dd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Dividend received from Chemours in connection with the completion of the spin-off.

+ References

No definition available.

+ Details

Name:	dd_DividendreceivedfromChemours
Namespace Prefix:	dd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Separation related transaction costs primarily related to professional fees associated with preparation of regulatory filings and separation activities within finance, legal and information system functions, as well as the premium on early retirement of debt.

+ References

No definition available.

+ Details

Name:	dd_Separationrelatedtransactioncosts
Namespace Prefix:	dd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16(a))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_SeniorNotes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=dd_Seniornotesdue2016Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dd_SeniorNote1Point95PercentDue2016Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dd_SeniorNote2Point75PercentDue2016Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dd_SeniorNote5Point25PercentDue2016Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=dd_ChemoursNotesReceivedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dd_SeniorNotes7PercenteDue2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=dd_LossonextinguishmentofdebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Long-Term Borrowings (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	May. 31, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015	May. 12, 2015
Debt Instrument [Line Items]
Dividend received from Chemours	$ 3,923
Cash distribution received from Chemours	$ 3,416
Separation related transaction costs		$ 68	$ 61	$ 289	$ 112
Senior notes due 2016 [Member]
Debt Instrument [Line Items]
Senior notes						$ 488
1.95% notes due 2016 [Member]
Debt Instrument [Line Items]
Senior notes						$ 152
Debt instrument, interest rate, stated percentage						1.95%
2.75% notes due 2016 [Member]
Debt Instrument [Line Items]
Senior notes						$ 277
Debt instrument, interest rate, stated percentage						2.75%
5.25% notes due 2016 [Member]
Debt Instrument [Line Items]
Senior notes						$ 59
Debt instrument, interest rate, stated percentage						5.25%
Chemours Notes Received [Member] \| 7% notes due 2025 [Member]
Debt Instrument [Line Items]
Senior notes							$ 507
Debt instrument, interest rate, stated percentage							7.00%
Loss on extinguishment of debt [Member]
Debt Instrument [Line Items]
Separation related transaction costs				$ 20