XML 31 R47.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Commitments and Contingent Liabilities Commitments and Contingent Liabilities (Environmental) (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2014
Environmental Remediation [Line Items] |
Accrual for environmental remediation activities | $ 479
Potential liability multiplier in excess of accrued amount | 3
Minimum [Member] |
Environmental Remediation [Line Items] |
Average time frame of disbursements of environmental site remediation | 15 years
Maximum [Member] |
Environmental Remediation [Line Items] |
Average time frame of disbursements of environmental site remediation | 20 years

X
- Definition Average time frame of disbursements of environmental site remediation + References No definition available. + Details
Name: | dd_AverageTimeFrameOfDisbursementsOfEnvironmentalSiteRemediation
Namespace Prefix: | dd_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Potential liability multiplier in excess of accrued amount + References No definition available. + Details
Name: | dd_PotentialLiabilityMultiplierInExcessOfAccruedAmount
Namespace Prefix: | dd_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 + Details
Name: | us-gaap_AccrualForEnvironmentalLossContingencies
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_SiteContingencyLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration