XML 75 R58.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Financial Instruments - Derivative Activities Table (Details) - Investment Segment - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Equity Contract [Member] |  |  |
Primary underlying risk: |  |  |
Long Notional Exposure |  | $ 1,582 | $ 0
Short Notional Exposure |  | 5,986 | 8,623
Credit Risk Contract [Member] |  |  |
Primary underlying risk: |  |  |
Long Notional Exposure | [1] | 0 | 0
Short Notional Exposure | [1] | 2,081 | 2,099
Credit Default Swap [Member] |  |  |
Primary underlying risk: |  |  |
Short notional amount of credit default swap positions |  | $ 6,600 | $ 6,300
[1] | The short notional amount on our credit default swap positions was approximately $6.6 billion at December 31, 2021. However, because credit spreads cannot compress below zero, our downside short notional exposure to loss is approximately $2.1 billion as of December 31, 2021. The short notional amount on our credit default swap positions was approximately $6.3 billion as of December 31, 2020. However, because credit spreads cannot compress below zero, our downside short notional exposure to loss is $2.1 billion as of December 31, 2020.

X
- Definition Notional Exposure of Derivatives, Long Position + References No definition available. + Details
Name: | iep_NotionalExposureOfDerivativesLongPosition
Namespace Prefix: | iep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Notional Exposure of Derivatives, Short Position + References No definition available. + Details
Name: | iep_NotionalExposureOfDerivativesShortPosition
Namespace Prefix: | iep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Primary underlying risk: [Abstract] + References No definition available. + Details
Name: | iep_PrimaryUnderlyingRiskAbstract
Namespace Prefix: | iep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=iep_InvestmentSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EquityContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CreditRiskContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CreditDefaultSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |