XML 77 R67.htm IDEA: XBRL DOCUMENT
v3.20.2

Other Income, Net (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Other Income and Expense, Net [Line Items] |  |  |  |
Other income, net | $ (13) | $ 15 | $ (30) | $ 18
Equity earnings from non-consolidated affiliates |  |  |  |
Other Income and Expense, Net [Line Items] |  |  |  |
Other income, net | (4) | 4 | (2) | 8
(Loss) gain on disposition of assets, net |  |  |  |
Other Income and Expense, Net [Line Items] |  |  |  |
Other income, net | (3) | 10 | (2) | 6
Foreign currency transaction (loss) gain |  |  |  |
Other Income and Expense, Net [Line Items] |  |  |  |
Other income, net | (3) | $ 1 | (9) | (1)
Non-service pension and other post-retirement benefits expense |  |  |  |
Other Income and Expense, Net [Line Items] |  |  |  |
Other income, net |  |  |  | (1)
Loss on extinguishment of debt |  |  |  |
Other Income and Expense, Net [Line Items] |  |  |  |
Other income, net |  |  | (12) | 0
Other |  |  |  |
Other Income and Expense, Net [Line Items] |  |  |  |
Other income, net | $ (3) |  | $ (5) | $ 6

X
- Definition [Line Items] for Other Income and Expense, Net [Table] + References No definition available. + Details
Name: | iep_OtherIncomeandExpenseNetLineItems
Namespace Prefix: | iep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of income (expense) related to nonoperating activities, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_OtherNonoperatingIncomeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | iep_ComponentOfOtherIncomeLossNetAxis=iep_IncomeLossFromNonConsolidatedAffiliatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | iep_ComponentOfOtherIncomeLossNetAxis=iep_GainLossOnDispositionOfAssetsNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | iep_ComponentOfOtherIncomeLossNetAxis=us-gaap_ForeignCurrencyGainLossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | iep_ComponentOfOtherIncomeLossNetAxis=iep_NonServicePensionAndOtherPostRetirementBenefitsExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | iep_ComponentOfOtherIncomeLossNetAxis=iep_LossOnDebtExtinguishmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | iep_ComponentOfOtherIncomeLossNetAxis=iep_OtherIncomeLossNotSpecifiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |