XML 24 R76.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Condensed Balance Sheets By Reporting Segment (Details) (USD $) In Millions, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014 | Mar. 31, 2014 | Dec. 31, 2013
--- | --- | --- | --- | ---
ASSETS |  |  |  |
Cash and cash equivalents | $ 2,868 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 2,912 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 3,342 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 3,262 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash held at consolidated affiliated partnerships and restricted cash | 2,005 us-gaap_RestrictedCashAndCashEquivalents | 1,435 us-gaap_RestrictedCashAndCashEquivalents |  |
Investments | 14,869 us-gaap_Investments | 14,500 us-gaap_Investments |  |
Accounts receivable, net | 1,776 us-gaap_AccountsReceivableNet | 1,691 us-gaap_AccountsReceivableNet |  |
Inventories, net | 1,937 us-gaap_InventoryNet | 1,879 us-gaap_InventoryNet |  |
Property, plant and equipment, net | 9,201 us-gaap_PropertyPlantAndEquipmentNet | 8,955 us-gaap_PropertyPlantAndEquipmentNet |  |
Goodwill and intangible assets, net | 3,181 us-gaap_IntangibleAssetsNetIncludingGoodwill | 3,088 us-gaap_IntangibleAssetsNetIncludingGoodwill |  |
Other assets | 1,404 iep_OtherAssetsAndDueFromCorrespondentBrokers | 1,320 iep_OtherAssetsAndDueFromCorrespondentBrokers |  |
Total assets | 37,241 us-gaap_Assets | 35,780 us-gaap_Assets |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 5,478 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent | 4,877 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent |  |
Securities sold, not yet purchased, at fair value | 958 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue | 337 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue |  |
Due to brokers | 4,627 us-gaap_DueToCorrespondentBrokers | 5,197 us-gaap_DueToCorrespondentBrokers |  |
Post-employment benefit liability | 1,355 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent | 1,391 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent |  |
Debt | 12,088 us-gaap_DebtAndCapitalLeaseObligations | 11,588 us-gaap_DebtAndCapitalLeaseObligations |  |
Total assets | 24,506 us-gaap_Liabilities | 23,390 us-gaap_Liabilities |  |
Equity attributable to Icahn Enterprises | 5,322 us-gaap_StockholdersEquity | 5,443 us-gaap_StockholdersEquity |  |
Equity attributable to non-controlling interests | 7,413 us-gaap_MinorityInterest | 6,947 us-gaap_MinorityInterest |  |
Total equity | 12,735 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 12,390 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 12,891 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 13,309 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Total liabilities and equity | 37,241 us-gaap_LiabilitiesAndStockholdersEquity | 35,780 us-gaap_LiabilitiesAndStockholdersEquity |  |
Investment Segment [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 9 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 2 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Cash held at consolidated affiliated partnerships and restricted cash | 1,903 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 1,366 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Investments | 14,393 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 13,961 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Accounts receivable, net | 0 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 0 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Inventories, net | 0 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 0 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Property, plant and equipment, net | 0 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 0 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Goodwill and intangible assets, net | 0 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 0 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Other assets | 295 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 131 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Total assets | 16,600 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 15,460 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 1,310 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 864 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Securities sold, not yet purchased, at fair value | 958 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 337 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Due to brokers | 4,627 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 5,197 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Post-employment benefit liability | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Debt | 0 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 0 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Total assets | 6,895 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 6,398 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Equity attributable to Icahn Enterprises | 4,470 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 4,284 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Equity attributable to non-controlling interests | 5,235 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 4,778 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Total equity | 9,705 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 9,062 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Total liabilities and equity | 16,600 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 15,460 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Automotive Segment [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 323 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 332 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Cash held at consolidated affiliated partnerships and restricted cash | 0 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 0 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Investments | 257 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 269 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Accounts receivable, net | 1,443 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 1,356 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Inventories, net | 1,290 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 1,215 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Property, plant and equipment, net | 2,295 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 2,160 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Goodwill and intangible assets, net | 1,845 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 1,744 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Other assets | 444 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 453 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Total assets | 7,897 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 7,529 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 1,987 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 1,933 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Securities sold, not yet purchased, at fair value | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Due to brokers | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Post-employment benefit liability | 1,295 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 1,328 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Debt | 2,904 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 2,690 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Total assets | 6,186 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 5,951 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Equity attributable to Icahn Enterprises | 1,356 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 1,231 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Equity attributable to non-controlling interests | 355 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 347 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Total equity | 1,711 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 1,578 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Total liabilities and equity | 7,897 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 7,529 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Energy Segment [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 852 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 754 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Cash held at consolidated affiliated partnerships and restricted cash | 0 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 0 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Investments | 38 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 77 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Accounts receivable, net | 137 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 137 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Inventories, net | 311 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 330 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Property, plant and equipment, net | 2,676 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 2,692 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Goodwill and intangible assets, net | 1,179 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 1,184 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Other assets | 154 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 160 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Total assets | 5,347 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 5,334 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 1,450 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 1,471 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Securities sold, not yet purchased, at fair value | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Due to brokers | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Post-employment benefit liability | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Debt | 675 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 675 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Total assets | 2,125 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 2,146 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Equity attributable to Icahn Enterprises | 1,652 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 1,612 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Equity attributable to non-controlling interests | 1,570 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 1,576 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Total equity | 3,222 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 3,188 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Total liabilities and equity | 5,347 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 5,334 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Metals Segment [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 10 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 19 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Cash held at consolidated affiliated partnerships and restricted cash | 4 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 4 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Investments | 0 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 0 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Accounts receivable, net | 38 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 51 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Inventories, net | 60 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 67 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Property, plant and equipment, net | 150 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 144 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Goodwill and intangible assets, net | 7 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 8 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Other assets | 24 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 22 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Total assets | 293 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 315 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 54 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 60 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Securities sold, not yet purchased, at fair value | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Due to brokers | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Post-employment benefit liability | 2 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 2 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Debt | 3 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 3 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Total assets | 59 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 65 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Equity attributable to Icahn Enterprises | 234 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 250 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Equity attributable to non-controlling interests | 0 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 0 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Total equity | 234 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 250 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Total liabilities and equity | 293 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 315 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Railcar Segment [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 581 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 412 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Cash held at consolidated affiliated partnerships and restricted cash | 45 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 35 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Investments | 30 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 29 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Accounts receivable, net | 46 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 41 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Inventories, net | 122 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 117 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Property, plant and equipment, net | 2,507 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 2,376 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Goodwill and intangible assets, net | 7 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 7 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Other assets | 91 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 103 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Total assets | 3,429 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 3,120 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 308 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 294 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Securities sold, not yet purchased, at fair value | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Due to brokers | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Post-employment benefit liability | 8 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 9 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Debt | 2,420 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 2,133 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Total assets | 2,736 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 2,436 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Equity attributable to Icahn Enterprises | 714 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 711 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Equity attributable to non-controlling interests | (21)us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | (27)us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Total equity | 693 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 684 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Total liabilities and equity | 3,429 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 3,120 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Gaming Segment [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 186 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 196 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Cash held at consolidated affiliated partnerships and restricted cash | 14 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 16 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Investments | 35 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 33 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Accounts receivable, net | 9 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 9 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Inventories, net | 0 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 0 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Property, plant and equipment, net | 725 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 719 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Goodwill and intangible assets, net | 75 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 75 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Other assets | 215 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 212 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Total assets | 1,259 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 1,260 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 123 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 130 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Securities sold, not yet purchased, at fair value | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Due to brokers | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Post-employment benefit liability | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Debt | 294 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 295 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Total assets | 417 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 425 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Equity attributable to Icahn Enterprises | 582 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 578 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Equity attributable to non-controlling interests | 260 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 257 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Total equity | 842 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 835 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Total liabilities and equity | 1,259 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 1,260 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Food Packaging Segment [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 39 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 39 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Cash held at consolidated affiliated partnerships and restricted cash | 1 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 1 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Investments | 0 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 0 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Accounts receivable, net | 62 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 63 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Inventories, net | 79 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 77 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Property, plant and equipment, net | 149 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 154 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Goodwill and intangible assets, net | 9 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 9 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Other assets | 89 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 93 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Total assets | 428 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 436 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 65 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 64 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Securities sold, not yet purchased, at fair value | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Due to brokers | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Post-employment benefit liability | 50 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 52 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Debt | 273 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 274 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Total assets | 388 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 390 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Equity attributable to Icahn Enterprises | 26 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 30 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Equity attributable to non-controlling interests | 14 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 16 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Total equity | 40 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 46 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Total liabilities and equity | 428 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 436 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Real Estate Segment [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 36 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 24 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Cash held at consolidated affiliated partnerships and restricted cash | 30 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 2 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Investments | 0 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 0 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Accounts receivable, net | 5 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 4 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Inventories, net | 0 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 0 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Property, plant and equipment, net | 622 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 633 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Goodwill and intangible assets, net | 56 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 58 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Other assets | 24 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 24 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Total assets | 773 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 745 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 22 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 20 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Securities sold, not yet purchased, at fair value | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Due to brokers | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Post-employment benefit liability | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Debt | 31 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 32 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Total assets | 53 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 52 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Equity attributable to Icahn Enterprises | 720 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 693 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Equity attributable to non-controlling interests | 0 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 0 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Total equity | 720 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 693 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Total liabilities and equity | 773 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 745 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Home Fashion Segment [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 6 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 11 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Cash held at consolidated affiliated partnerships and restricted cash | 5 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 8 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Investments | 0 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 0 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Accounts receivable, net | 36 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 30 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Inventories, net | 75 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 73 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Property, plant and equipment, net | 74 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 74 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Goodwill and intangible assets, net | 3 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 3 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Other assets | 10 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 9 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Total assets | 209 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 208 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 30 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 28 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Securities sold, not yet purchased, at fair value | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Due to brokers | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Post-employment benefit liability | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Debt | 0 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 0 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Total assets | 30 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 28 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Equity attributable to Icahn Enterprises | 179 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 180 us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Equity attributable to non-controlling interests | 0 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 0 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Total equity | 179 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 180 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Total liabilities and equity | 209 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 208 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Holding Company [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 826 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 1,123 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Cash held at consolidated affiliated partnerships and restricted cash | 3 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 3 us-gaap_RestrictedCashAndCashEquivalents / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Investments | 116 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 131 us-gaap_Investments / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Accounts receivable, net | 0 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 0 us-gaap_AccountsReceivableNet / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Inventories, net | 0 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 0 us-gaap_InventoryNet / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Property, plant and equipment, net | 3 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 3 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Goodwill and intangible assets, net | 0 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 0 us-gaap_IntangibleAssetsNetIncludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Other assets | 58 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 113 iep_OtherAssetsAndDueFromCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Total assets | 1,006 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 1,373 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
LIABILITIES AND EQUITY |  |  |  |
Accounts payable, accrued expenses and other liabilities | 129 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 13 us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Securities sold, not yet purchased, at fair value | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 0 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Due to brokers | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 0 us-gaap_DueToCorrespondentBrokers / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Post-employment benefit liability | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 0 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Debt | 5,488 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 5,486 us-gaap_DebtAndCapitalLeaseObligations / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Total assets | 5,617 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 5,499 us-gaap_Liabilities / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Equity attributable to Icahn Enterprises | (4,611)us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | (4,126)us-gaap_StockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Equity attributable to non-controlling interests | 0 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 0 us-gaap_MinorityInterest / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Total equity | (4,611)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | (4,126)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Total liabilities and equity | 1,006 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | 1,373 us-gaap_LiabilitiesAndStockholdersEquity / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |
Holding Company [Member] |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 2,868 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 2,912 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 3,342 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 3,262 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember
Cash held at consolidated affiliated partnerships and restricted cash | 2,005 us-gaap_RestrictedCashAndCashEquivalents / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 1,435 us-gaap_RestrictedCashAndCashEquivalents / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Investments | 14,869 us-gaap_Investments / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 14,500 us-gaap_Investments / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Accounts receivable, net | 1,776 us-gaap_AccountsReceivableNet / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 1,691 us-gaap_AccountsReceivableNet / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Inventories, net | 1,937 us-gaap_InventoryNet / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 1,879 us-gaap_InventoryNet / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Property, plant and equipment, net | 9,201 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 8,955 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Total assets | 37,264 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 35,803 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
LIABILITIES AND EQUITY |  |  |  |
Securities sold, not yet purchased, at fair value | 958 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 337 us-gaap_FinancialInstrumentsSoldNotYetPurchasedAtFairValue / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Due to brokers | 4,627 us-gaap_DueToCorrespondentBrokers / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 5,197 us-gaap_DueToCorrespondentBrokers / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Post-employment benefit liability | 1,355 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 1,391 us-gaap_PostemploymentBenefitsLiabilityCurrentAndNoncurrent / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Debt | 12,088 us-gaap_DebtAndCapitalLeaseObligations / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 11,588 us-gaap_DebtAndCapitalLeaseObligations / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Total assets | 24,506 us-gaap_Liabilities / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 23,390 us-gaap_Liabilities / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Equity attributable to Icahn Enterprises | 5,345 us-gaap_StockholdersEquity / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 5,466 us-gaap_StockholdersEquity / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Equity attributable to non-controlling interests | 7,413 us-gaap_MinorityInterest / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 6,947 us-gaap_MinorityInterest / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Total equity | 12,758 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 12,413 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 12,913 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 13,331 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember
Total liabilities and equity | 37,264 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember | 35,803 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember |  |
Holding Company [Member] | Investment Segment [Member] |  |  |  |
ASSETS |  |  |  |
Total assets | 16,600 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember | 15,460 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_InvestmentSegmentMember |  |
Holding Company [Member] | Automotive Segment [Member] |  |  |  |
ASSETS |  |  |  |
Total assets | 7,897 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember | 7,529 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_AutomotiveSegmentMember |  |
Holding Company [Member] | Energy Segment [Member] |  |  |  |
ASSETS |  |  |  |
Total assets | 5,347 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember | 5,334 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_EnergySegmentMember |  |
Holding Company [Member] | Metals Segment [Member] |  |  |  |
ASSETS |  |  |  |
Total assets | 293 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember | 315 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_MetalsSegmentMember |  |
Holding Company [Member] | Railcar Segment [Member] |  |  |  |
ASSETS |  |  |  |
Total assets | 3,429 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember | 3,120 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_RailcarSegmentMember |  |
Holding Company [Member] | Gaming Segment [Member] |  |  |  |
ASSETS |  |  |  |
Total assets | 1,259 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember | 1,260 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_GamingSegmentMember |  |
Holding Company [Member] | Food Packaging Segment [Member] |  |  |  |
ASSETS |  |  |  |
Total assets | 428 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember | 436 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_FoodPackagingSegmentMember |  |
Holding Company [Member] | Real Estate Segment [Member] |  |  |  |
ASSETS |  |  |  |
Total assets | 773 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember | 745 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_RealEstateSegmentMember |  |
Holding Company [Member] | Home Fashion Segment [Member] |  |  |  |
ASSETS |  |  |  |
Total assets | 209 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember | 208 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_HomeFashionSegmentMember |  |
Holding Company [Member] | Holding Company [Member] |  |  |  |
ASSETS |  |  |  |
Total assets | $ 1,029 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember | $ 1,396 us-gaap_Assets / dei_LegalEntityAxis = iep_IcahnEnterprisesHoldingsMember / us-gaap_StatementBusinessSegmentsAxis = iep_HoldingCompanyMember |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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- Definition Fair value of obligations incurred from short sales. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35711043&loc=d3e42429-110968 + Details
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