Debt Instrument, Issue Discount Percentage

No definition available.

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- Definition

Debt Instrument, Periodic Payment, Percentage of Original Principal Amount

+ References

No definition available.

+ Details

Name:	iep_DebtInstrumentPeriodicPaymentPercentageOfOriginalPrincipalAmount
Namespace Prefix:	iep_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Potential Increase in Face Amount if Covenants Met

+ References

No definition available.

+ Details

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Namespace Prefix:	iep_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

First Lien Ratio of indebtedness to Net Capital

+ References

No definition available.

+ Details

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- Definition

Letter of Credit Facility, Maximum Borrowing Capacity

+ References

No definition available.

+ Details

Name:	iep_LetterOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	iep_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Letters of Credit, Cash Collateral Requirement, Percentage of Face Amount

+ References

No definition available.

+ Details

Name:	iep_LettersOfCreditCashCollateralRequirementPercentageOfFaceAmount
Namespace Prefix:	iep_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Trailing Months Used to Calculate Leverage Ratios

+ References

No definition available.

+ Details

Name:	iep_TrailingMonthsUsedToCalculateLeverageRatios
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

+ Details

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

- Definition

The effective interest rate at the end of the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: 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

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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

- 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

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

Name:	us-gaap_RatioOfIndebtednessToNetCapital1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

Debt Narrative - Credit Facilities - Gaming (Details) (USD $)	9 Months Ended
	Sep. 30, 2013 Term Loan [Member] Gaming Segment [Member] Secured Debt [Member]	Sep. 30, 2013 Revolving Credit Facility [Member] Gaming Segment [Member] Secured Debt [Member]	Sep. 30, 2013 Letter of Credit [Member] Gaming Segment [Member] Secured Debt [Member]	Sep. 30, 2013 Minimum [Member] Term Loan [Member] Gaming Segment [Member] Secured Debt [Member]	Sep. 30, 2013 Maximum [Member] Term Loan [Member] Gaming Segment [Member] Secured Debt [Member]	Sep. 30, 2013 CRLLC [Member] ABL Credit Facility [Member] Revolving Credit Facility [Member] Energy Segment [Member]	Dec. 31, 2012 CRLLC [Member] ABL Credit Facility [Member] Revolving Credit Facility [Member] Energy Segment [Member]
Debt Instrument [Line Items]
Line of credit facility, outstanding borowings						$ 27,000,000	$ 0
Term Loan Facility	175,000,000
Term loan facility, issue discount percentage	2.00%
Letter of credit facility, maximum aggregate amount			15,000,000
Debt Instrument, Periodic Payment, Percentage of Original Principal Amount	0.25%
Debt Instrument, Interest Rate at Period End	7.50%
Potential increase in New Term Loan Facility	$ 75,000,000	$ 20,000,000
Letters of credit, cash collateral requirement, percentage of face amount			103.00%
First lien net leverage ratio				2.50	3.25
Total net leverage ratio	5.00
Trailing Months Used to Calculate Leverage Ratios	12 months