XML 101 R69.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Debt Narrative - Debt Facilities - Automotive (Details) (Automotive Segment [Member], USD $) | 3 Months Ended | 12 Months Ended |  |  |  | 3 Months Ended
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2014 Tranche C Loan [Member] | Dec. 31, 2013 Revolving Credit Facility [Member] Debt Facility [Member] | Dec. 06, 2013 Revolving Credit Facility [Member] Debt Facility [Member] | Mar. 31, 2014 Letter of Credit [Member] Debt Facility [Member] | Dec. 31, 2013 Letter of Credit [Member] Debt Facility [Member] | Mar. 31, 2014 Term Loan [Member] Debt Facility [Member]
Debt Instrument [Line Items] |  |  |  |  |  |
Term of Interest Rate Derivatives |  |  |  |  |  | 5 years
Revolving credit facility, unused borrowing availability |  | $ 550,000,000 | $ 540,000,000 |  |  |
Line of credit, aggregate principal amount due upon acceleration |  | 300,000,000 |  |  |  |
Amount deposited in term letter of credit account under credit facility | 50,000,000 |  |  |  |  |
Letters of credit outstanding |  |  |  | $ 38,000,000 | $ 39,000,000 |

X
- Definition Amount deposited in term letter of credit account under credit facility + References No definition available. + Details
Name: | iep_AmountDepositedInTermLetterOfCreditAccountUnderCreditFacility
Namespace Prefix: | iep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line of credit, aggregate principal amount due upon acceleration + References No definition available. + Details
Name: | iep_Lineofcreditaggregateprincipalamountdueuponacceleration
Namespace Prefix: | iep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Term of Interest Rate Derivatives + References No definition available. + Details
Name: | iep_TermOfInterestRateDerivatives
Namespace Prefix: | iep_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant