XML 59 R43.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Operating Units Investment Segment (Details) - USD ($) $ in Billions | Jun. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Investment Funds [Member] |  |
Segment Reporting Information [Line Items] |  |
Fair value of our interest in Funds of subsidiary | $ 1.7 | $ 3.4

X
- Definition The fair value of investment held in the subsidiary investment funds by the limited liability company or limited partnership. + References No definition available. + Details
Name: | iep_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterestFairValue
Namespace Prefix: | iep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | dei_LegalEntityAxis=iep_InvestmentFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |