Financial Instruments [Abstract] Financial Instruments [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Investment Funds [Member] Investment Funds [Member] The Onshore Fund (Icahn Partners LP) and the Offshore Master Funds are collectively referred to as the “Investment Funds". The “Offshore Master Funds” consist of (i) Icahn Partners Master Fund LP, or Master Fund I, (ii) Icahn Partners Master Fund II LP, or Master Fund II and (iii) Icahn Partners Master Fund III LP, or Master Fund III. Icahn Enterprises Holdings [Member] Icahn Enterprises Holdings [Member] Icahn Enterprises Holdings [Member] Business Segments [Axis] Business Segments [Axis] Segment [Domain] Segment [Domain] Investments Segment [Member] Investments Segment [Member] Investment segment and Holding Company [Member] Investment segment and Holding Company [Member] Investment segment and Holding Company [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Not Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Derivative Contract Type [Domain] Equity Contract [Member] Equity Contract [Member] Foreign Exchange Contract [Member] Foreign Exchange Contract [Member] Commodity contracts [Member] Commodity Contract [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other Assets [Member] Other Assets [Member] Accrued Expenses and Other Liabilities [Member] Accrued Expenses and Other Liabilities [Member] Accrued Expenses and Other Liabilities [Member] Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] Cash collateral posted for derivative positions Collateral Already Posted, Aggregate Fair Value Asset Derivatives, Gross Derivative Asset, Fair Value, Gross Asset Liability Derivatives, Gross Derivative Liability, Fair Value, Gross Liability Derivative Asset, Fair Value, Net Derivative Asset, Fair Value, Net Derivative Liability, Fair Value, Net Derivative Liability, Fair Value, Net Asset Derivatives, Netting across contract types Derivative Asset, Fair Value, Amount Offset Against Collateral Liability Derivatives, Netting across contract types Derivative Liability, Fair Value, Amount Offset Against Collateral Asset Derivatives, Total Derivative Assets Liability Derivatives, Total Derivative Liabilities Income Statement [Abstract] Statement [Table] Statement [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] Revenues: Revenues [Abstract] Net sales Sales Revenue, Goods, Net Other revenues from operations Other Revenue, Net Net (loss) gain from investment activities Gain (Loss) on Investments, Excluding Other than Temporary Impairments Interest and dividend income Interest and Dividend Income, Operating Other loss, net Other Nonoperating Income (Expense) Total Revenues Revenues Expenses: Costs and Expenses [Abstract] Cost of goods sold Cost of Goods Sold Other expenses from operations Other Cost and Expense, Operating Selling, general and administrative Selling, General and Administrative Expense Restructuring Restructuring Charges Impairment Asset Impairment Charges Interest expense Interest Expense Total Expenses Total Expenses Total of all operating and non-operating costs and expenses. Income before income tax (expense) benefit Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income tax (expense) benefit Income Tax Expense (Benefit) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Less: net (income) loss attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income (loss) attributable to Icahn Enterprises Net Income (Loss) Attributable to Parent Net income attributable to Icahn Enterprises allocable to: Net Income Attributable To Ichan Enterprises Allocable To Partners [Abstract] Net Income Attributable To Ichan Enterprises Allocable To Partners [Abstract] Limited partners Net Income (Loss) Allocated to Limited Partners General partner Net Income (Loss) Allocated to General Partners Basic income (loss) per LP unit Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic Basic weighted average LP units outstanding (in units) Weighted Average Number of Shares Outstanding, Basic Diluted income (loss) per LP unit Net Income (Loss), Per Outstanding Limited Partnership Unit, Diluted Diluted weighted average LP units outstanding (in units) Weighted Average Number of Shares Outstanding, Diluted Cash distributions declared per LP unit Distributions Per Limited Partnership Unit Outstanding, Basic Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets [Table] Goodwill and Intangible Assets [Table] Goodwill and Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Gasification Technology [Member] Gasification Technology [Member] Gasification Technology [Member] Other Intangible Assets [Member] Other Intangible Assets [Member] Customer Relationships [Member] Customer Relationships [Member] Reporting unit [Axis] Reporting unit [Axis] Reporting unit [Axis] Production Type [Domain] Production Type [Domain] VSP [Member] VSP [Member] Vehicl Safety and Protection ("VSP") [Member] Powertrain [Member] Powertrain [Member] Powertrain [Member] VCS [Member] VCS [Member] VCS [Member] Petroleum [Member] Petroleum [Member] Petroleum Reporting Unit [Member] Nitrogen Fertilizer [Member] Fertilizer [Member] Fertilizer Reporting Unit [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] BERU [Member] BERU [Member] BERU [Member] CVR Energy, Inc. [Member] CVR Energy, Inc. [Member] CVR Energy, Inc. [Member] Automotive Segment [Member] Automotive Segment [Member] Automotive Segment [Member] Energy Segment [Member] Energy Segment [Member] Energy Segment [Member] Gaming Segment [Member] Gaming Segment [Member] Gaming Segment [Member] Food Packaging Segment [Member] Food Packaging Segment [Member] Food Packaging Segment [Member] Metals Segment [Member] Metals Segment [Member] Metals Segment [Member] Goodwill and Intangible Assets [Line Items] Goodwill and Intangible Assets [Line Items] Goodwill and Intangible Assets [Line Items] Amortization expense associated with definite-lived intangible assets Amortization of Intangible Assets Goodwill, increase due to purchase accounting adjustment to PP&E Goodwill, Purchase Accounting Adjustments Cash paid for acquisition of CVR Business Acquisition, Cost of Acquired Entity, Cash Paid Goodwill Goodwill Impairment of intangible assets, Indefinite-lived (Excluding goodwill) Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Business Acquisition, Purchase Price Allocation, Goodwill Amount Business Acquisition, Purchase Price Allocation, Goodwill Amount Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles Definite-lived intangible assets, useful life (in years) Finite-Lived Intangible Asset, Useful Life Goodwill recognized, expected to be tax deductible Business Acquisition, Purchase Price Allocation, Goodwill, Expected Tax Deductible Amount Definite-lived intangibles, purchase accounting adjustment Finite-Lived Intangible Assets, Purchase Accounting Adjustments Impairment charge, definite-lived intangible assets Impairment of Intangible Assets, Finite-lived Goodwill, adjustment due to purchase accounting utilized by entities under common control resulting from our acquisition of controlling interest Goodwill, Other Changes Intangible assets, adjustment due to purchase accounting utilized by entities under common control resulting from our acquisition of a controlling interest Intangible Assets, Other Changes Intangible Assets, Other Changes Goodwill, purchase accounting reduction Goodwill, Allocation Adjustment Increase in tangible and identifiable intangible assets due to finalization of purchase price allocations Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Tangible and Identifiable Intangible Assets This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to tangible and identifiable intangible assets acquired in connection with a business combination for which the initial accounting was incomplete. Additional purchase price payments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Net Income Per LP Unit [Abstract] Net Income Per LP Unit [Abstract] Schedule Of Earnings Per LP Unit [Table] Schedule Of Earnings Per LP Unit [Table] Schedule Of Earnings Per LP Unit [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Dividend Declared [Member] Dividend Declared [Member] Members or Partners [Axis] Members or Partners [Axis] Members or Partners, including managing members or members or general partners or limited partners [Axis] Partner Name [Domain] Partner Name [Domain] Partner Name [Domain] Principal Owners and Affiliates [Member] Principal Owners and Affiliates [Member] Mr. Icahn and certain other entities beneficially owned by Mr. Icahn Capital Units by Class [Axis] Capital Units by Class [Axis] Capital Unit, Class [Domain] Capital Unit, Class [Domain] Depositary Units [Member] Depositary Units [Member] Depositary Units [Member] Earnings Per LP Unit [Line Items] Earnings Per LP Unit [Line Items] Earnings Per LP Unit [Line Items] Net income (loss) attributable to Icahn Enterprises Net income attributable to parent, allocated to general partner before traditional parntership allocation net income attributable to parent, allocated to general partner before traditional parntership allocation net income attributable to parent, allocated to general partner before traditional parntership allocation, due to common control transaction Net income attributable to parent, subject to allocation amongst partners net income attributable to parent, subject to allocation amongst partners net income attributable to parent, subject to allocation amongst partners Income attributable to Icahn Enterprises allocable to limited partners (98.01% allocation) Dilutive effect of variable rate convertible notes, Income Dilutive Securities, Effect on Basic Earnings Per Share Dilutive effect of variable rate convertible notes, Units Incremental Common Shares Attributable to Conversion of Debt Securities Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Distribution made to limited partner depositary unitholders, cash and depositary unit distributions declared, per unit Distribution Made to Unitholder, Quarterly Distributions Declared, Per Unit Distribution Made to Unitholder, Quarterly Distributions Declared, Per Unit, including cash and unit distribution Distribution made to limited partner depositary unitholders, cash distributions declared, per unit Distribution Made to Member or Limited Partner, Distributions Declared, Per Unit Distribution made to limited partner depositary unitholders, depositary unit distributions declared, per unit Distribution Made to Unitholder, Unit Distributions Declared, Per Unit Distribution Made to Unitholder, Unit Distributions Declared, Per Unit Ratio of unit distributed per depositary unit Distribution Made to Unitholder, Unit Distributions Ratio Distribution Made to Unitholder, Unit Distributions Ratio, Unit Distributed per Unit Units issued as a unit distribution Distribution Made to Member or Limited Partner, Share Distribution Impact of unit distributions on prior years' income per LP unit Impact of Unit Distributions on Restatement of Earnings Per Share Impact of Unit Distributions on Restatement of Earnings Per Share Intended proceeds from rights offering Rights Offering, Amount Rights Offering, Amount Rights received per depositary unit held Ratio Of Rights Per Depositary Unit Ratio Of Rights Per Depositary Unit Rights' subscription price per depositary unit Right Subscription Price Per Depositary Unit Right Subscription Price Per Depositary Unit Aggregate depositary units distributed in connection with rights offering Aggregate Depositary Units Distributed In Connection With Rights Offering Aggregate Depositary Units Distributed In Connection With Rights Offering Proceeds from rights offering Proceeds From Rights Offering Proceeds From Rights Offering Cancellation of treasury units (in units) Treasury Stock, Shares, Retired Derivative [Table] Derivative [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue, Goods, Net [Member] Sales Revenue, Goods, Net [Member] Accounts Receivable [Member] Accounts Receivable [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Federal-Mogul [Member] Federal-Mogul [Member] Federal-Mogul [Member] Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging [Member] Cash Flow Hedging [Member] Interest rate swap contracts [Member] Interest Rate Swap [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Maximum [Member] Maximum [Member] Derivative [Line Items] Derivative [Line Items] Maximum length of time hedged in interest rate cash flow hedge Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge Notional value of interest rate swap agreements Notional Amount of Interest Rate Cash Flow Hedge Derivatives Combined average fixed interest rate on interest rate swap agreements Derivative, Fixed Interest Rate, Base Interest and Premium Combined Derivative, Fixed Interest Rate, Base Interest and Premium Combined Unrealized net losses on interest rate swap hedges Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) Losses on interest rate swap agreements expected to be reclassified Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Expected change in interest expense from 25 basis point change in interest rates, 2013 Expected Change in Interest Expense from 25 Basis Point Change in Interest Rates, Year One Expected Change in Interest Expense from 25 Basis Point Change in Interest Rates, Year One Expected change in interest expense from 25 basis point change in interest rates, 2014 Expected Change in Interest Expense from 25 Basis Point Change in Debt Instrument Interest Rate, Year Two Expected Change in Interest Expense from 25 Basis Point Change in Debt Instrument Interest Rate, Year Two Expected change in interest expense from 25 basis point change in interest rates, 2015 Expected Change in Interest Expense from 25 Basis Point Change in Debt Instrument Interest Rate, Year Three Expected Change in Interest Expense from 25 Basis Point Change in Debt Instrument Interest Rate, Year Three Notional value of price hedge contracts Notional Amount of Price Risk Cash Flow Hedge Derivatives Price Risk Cash Flow Hedge Derivatives, Contractual Term Maximum Length of Time Hedged in Price Risk Cash Flow Hedge Maximum length of time hedged in fx cash flow hedge Maximum length of time hedged in fx cash flow hedge Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments. Unrealized net losses on price hedge contracts Unrealized Loss on Price Risk Cash Flow Derivatives, before Tax Notional value of foreign currency hedge contracts Notional Amount of Foreign Currency Cash Flow Hedge Derivatives Foreign Currency Cash Flow Hedge Derivatives, Contractual Term Maximum Length of Time Hedged in Foreign Currency Cash Flow Hedge Unrealized net gains on foreign currency hedge contracts Unrealized Gain on Foreign Currency Derivatives, before Tax Notional value of foreign currency contracts entered during the period Notional Amount of Foreign Currency Cash Flow Hedge Derivatives, Entered During the Period Notional Amount of Foreign Currency Cash Flow Hedge Derivatives, Entered During the Period Derivative Instruments, Loss Recognized in Income Derivative Instruments, Loss Recognized in Income Number of customers accounting for more than 6% of direct sales Concentration Risk, Number of Customers Concentration Risk, Number of Customers Concentration of risk threshold, percentage of direct sales Concentration Risk, Threshold Concentration Risk, Threshold Concentration threshhold, balance sheet Concentration threshhold, balance sheet Concentration threshhold, balance sheet Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Type of Deferred Compensation [Axis] Type of Deferred Compensation [Axis] Type of Deferred Compensation, All Types [Domain] Type of Deferred Compensation, All Types [Domain] Options Connected to Deferred Compensation [Member] Options Connected to Deferred Compensation [Member] Options Connected to Deferred Compensation [Member] Title of Individual [Axis] Title of Individual [Axis] Title of Individual with Relationship to Entity [Domain] Title of Individual with Relationship to Entity [Domain] Retired President and Chief Executive Officer [Member] Retired President and Chief Executive Officer [Member] Retired President and Chief Executive Officer [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock options (number) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Stock options, revised fair value reclassified to equity Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Fair Value Reclassified to Equity Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Fair Value Reclassified to Equity Compensation expense related to stock options Allocated Share-based Compensation Expense Intrinsic value of stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Deferred compensation agreement, current liability, gross Deferred Compensation Cash-based Arrangements, Liability, Current, Gross Deferred Compensation Cash-based Arrangements, Liability, Current, Gross, before offset again the intrinsic value of the exercise Deferred compensation agreement, number of shares used in cash payout calculation Deferred Compensation Arrangement with Individual, Number of Shares Used in Cash Settlement Calculation Deferred Compensation Arrangement with Individual, Number of Shares Used in Cash Settlement Calculation Stock price (in ones) Share Price Deferred compenstion intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Deferred compensation expense Deferred Compensation Arrangement with Individual, Compensation Expense Share price, CVR acquisition (in ones) Business Acquisition, Share Price Number of cash contingent payment rights (in ones) Business Acquisition, Number of Cash Contingent Payment Rights Business Acquisition, Number of Cash Contingent Payment Rights Additional share-based compensation expense from revaluing unvested shares to fair value Fair Value Option, Allocated Share-based Compensation Expense Fair Value Option, Allocated Share-based Compensation Expense Unrecognized compensation cost related to restricted shares Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Segment Reporting [Abstract] Schedule of Condensed Income Statement by Segment Schedule of Condensed Income Statement [Table Text Block] Schedule of Condensed Financial Statements by Segment Schedule of Condensed Financial Statements [Table Text Block] Accumulated Other Comprehensive Income (Loss) [Abstract] Accumulated Other Comprehensive Income (Loss) [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Investment Segment [Member] investment Segment [Member] investment Segment [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Equity securities [Member] Equity Securities [Member] Corporate debt [Member] Corporate Debt Securities [Member] Mortgage-backed securities [Member] Collateralized Mortgage Backed Securities [Member] Investment Sector [Axis] Investment Sector [Axis] Investment Sector [Domain] Investment Sector [Domain] Basic materials [Member] Basic Materials [Member] Basic Materials [Member] Communications [Member] Communications [Member] Communications [Member] Consumer, non-cyclical [Member] Consumer, non-cyclical [Member] Consumer, non-cyclical [Member] Consumer, cyclical [Member] Consumer, cyclical [Member] Consumer, cyclical [Member] Financial [Member] Financial [Member] Financial [Member] Funds [Member] Funds [Member] Funds [Member] Industrial [Member] Industrial [Member] Industrial [Member] Technology [Member] Technology [Member] Technology [Member] Utilities [Member] 220000 to 229999 Utilities [Member] Sovereign debt [Member] Sovereign Debt [Member] Utilities [Member] Utilities [Member] Utilities [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets [Abstract] Assets [Abstract] Investments [Abstract] Investments [Abstract] Trading securities Trading Securities, Fair Value Disclosure Investments Investments Derivative contracts, Assets at fair value Assets, Fair Value Disclosure Assets, Fair Value Disclosure Liabilities [Abstract] Liabilities [Abstract] Securities sold, not yet purchased, at fair value: [Abstract] Financial Instruments Sold, Not yet Purchased, at Fair Value [Abstract] Securities sold, not yet purchased, at fair value Securities Sold, Not yet Purchased, Fair Value Disclosure Derivative Liabilities Liabilities, Fair Value Liabilities, Fair Value Disclosure Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Other Segments and Holding Company [Member] Other Segments and Holding Company [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of investments measured at fair value with Level 3 Input Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of Fair Value Measurements, Nonrecurring Fair Value Measurements, Nonrecurring [Table Text Block] Compensation and Retirement Disclosure [Abstract] Schedule of Net Periodic Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Environmental Remediation Site [Axis] Environmental Remediation Site [Axis] Site domain [Domain] Site domain [Domain] Site domain [Domain] Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member] Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member] Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member] Environmental Issue [Axis] Environmental Issue [Axis] Environmental Issue [Axis] Environmental Issue [Domain] Environmental Issue [Domain] Environmental Issue [Domain] Air Emissions Reduction and Water Conservation [Member] Air Emissions Reduction and Water Conservatio [Member] Air Emissions Reduction and Water Conservation [Member] Litigation Claimant [Axis] Litigation Claimant [Axis] Litigation Claimant [Axis] Litigation Claimant [Domain] Litigation Claimant [Domain] Litigation Claimant [Domain] U.S. Coast Guard / EPA [Member] U.S. Coast Guard / EPA [Member] U.S. Coast Guard / EPA [Member] Litigation Case [Axis] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case Type [Domain] Crude Oil, Indirect Supplier [Member] Crude Oil, Indirect Supplier [Member] Crude Oil, Indirect Supplier [Member] Crude Oil Discharge [Member] Crude Oil Discharge [Member] Crude Oil Discharge [Member] EPA, Second Consent Decree, Clean Air Act [Member] EPA, Second Consent Decree, Clean Air Act [Member] EPA, Second Consent Decree, Clean Air Act [Member] ODEQ [Member] ODEQ [Member] ODEQ [Member] Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Segment, Geographical [Domain] OKLAHOMA OKLAHOMA NEW MEXICO NEW MEXICO OKLAHOMA and KANSAS [Member] OKLAHOMA and KANSAS [Member] OKLAHOMA and KANSAS [Member] KANSAS KANSAS CRRM [Member] CRRM [Member] CRRM [Member] CRNF [Member] CRNF [Member] CRNF [Member] CRRM and CRT [Member] CRRM and CRT [Member] CRRM and CRT [Member] WRC [Member] WRC [Member] WRC [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Dismissed Without Prejudice [Member] Dismissed Without Prejudice [Member] Dismissed Without Prejudice [Member] Pending Litigation [Member] Pending Litigation [Member] Settled [Member] Settled [Member] Settled [Member] Pending Litigation and Settled, Aggregate [Member] Pending Litigation and Settled, Aggregate [Member] Pending Litigation and Settled, Aggregate [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Lease expense Operating Leases, Rent Expense Lawsuits Filed Against Company Lawsuits Filed Against Company Lawsuits Filed Against Company Average increase in annual property tax expense Average Increase in Annual Property Tax Expense Average Increase in Annual Property Tax Expense Number of claimants / plaintiffs Loss Contingency, Number of Plaintiffs Compensatory damages sought Loss Contingency, Damages Sought, Value Civil penalties, anticipated minimum Loss Contingency, Range of Possible Loss, Minimum Insurance proceeds under primary environmental liability insurance policy Proceeds from Insurance Settlement, Operating Activities Accrued environmental liabilities Accrual for Environmental Loss Contingencies Estimated closure and post-closure costs included in accred environmental liabilities Environmental Exit Costs, Costs Accrued to Date Capital expenditures to comply with environmental rules Environmental Compliance Costs, Anticipated Cost Environmental Compliance Costs, Anticipated Cost Percentage of all fuel used required to be renewable fuel Enironmental Regulatory Requirement, Renewable Fuel to Total Fuel Used, Percentage Enironmental Regulatory Requirement, Renewable Fuel to Total Fuel Used, Percentage Proposed percentage of all fuel used required to be renewable fuel Proposed Enironmental Regulatory Requirement, Renewable Fuel to Total Fuel Used, Percentage Proposed Enironmental Regulatory Requirement, Renewable Fuel to Total Fuel Used, Percentage U.S. refineries entered into environmental regulatory concent decree, minimum percentage of U.S. refining capacity Domestic Refineries Entered into Environmental Regulatory Concent Decree, Minimum Percentage of Domestic Refining Capacity Domestic Refineries Entered into Environmental Regulatory Concent Decree, Minimum Percentage of Domestic Refining Capacity Civil penalty, anticipated maximum Loss Contingency, Range of Possible Loss, Maximum Capital expenditures to comply with environmental rules, expected to be capital expenditures Environmental Compliance Costs, Anticipated to be Capitalized Environmental Compliance Costs, Anticipated to be Capitalized Civil penalty paid Loss Contingency, Damages Paid, Value Environmental expenditures capitalized Environmental Costs Recognized, Capitalized in Period Goodwill and Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Inventory Disclosure [Abstract] Schedule of Inventories, Net Schedule of Inventory, Current [Table Text Block] Schedule Of Earnings Per LP Unit Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Significant Accounting Policies [Table] Schedule of Significant Accounting Policies [Table] Schedule of Significant Accounting Policies [Table] Schedule of Significant Accounting Policies [Line Items] Schedule of Significant Accounting Policies [Line Items] Schedule of Significant Accounting Policies [Line Items] Environmental Costs, Policy Environmental Costs, Policy [Policy Text Block] Debt Disclosure [Abstract] Debt Debt Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Line Items] Business Acquisition [Line Items] Net sales Business Acquisition, Pro Forma Revenue Net income Business Acquisition, Pro Forma Net Income (Loss) Net income attributable to Icahn Enterprises Business Acquisition, Pro Forma Net Income (Loss) Attributable to Parent Business Acquisition, Pro Forma Net Income (Loss) Attributable to Parent Net income per LP unit Business Acquisition, Pro Forma Earnings Per Share, Basic Income Tax Disclosure [Abstract] Income Tax Contingency [Table] Income Tax Contingency [Table] GERMANY GERMANY WestPoint Home [Member] WestPoint Home [Member] WestPoint Home [Member] American Entertainment Properties Corp. [Member] American Entertainment Properties Corp. [Member] American Entertainment Properties Corp. [Member] Nature of Uncertainty [Axis] Nature of Uncertainty [Axis] Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Nature of Uncertainty [Domain] Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Nature of Uncertainty [Domain] Settlement with Taxing Authority or Statute Expirations [Member] Settlement with Taxing Authority or Statute Expirations [Member] Settlement with Taxing Authority or Statute Expirations [Member] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Income tax benefit (expense) Pre-tax income Effective income tax rate Effective Income Tax Rate, Continuing Operations Statutory federal rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Release of valuation allowance Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance Decrease in unrecognized tax benefits, effectively settled Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities Credit default swaps [Member] Credit Default Swap [Member] Equity swaps [Member] Equity Swap [Member] Foreign currency fowards [Member] Foreign Exchange Forward [Member] Primary underlying risk: Primary underlying risk: [Abstract] Primary underlying risk: [Abstract] Long Notional Exposure Notional Exposure of Derivatives, Long Position Notional Exposure of Derivatives, Long Position Short Notional Exposure Notional Exposure of Derivatives, Short Position Notional Exposure of Derivatives, Short Position Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Minimum [Member] Minimum [Member] Variable Rate Option [Axis] Variable Rate Option [Axis] Variable Rate Option [Axis] Variable Rate Option [Domain] Variable Rate Option [Domain] Variable Rate Option [Domain] LIBOR [Member] LIBOR [Member] LIBOR [Member] Base Rate [Member] Base Rate [Member] Base Rate [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Letter of Credit [Member] Letter of Credit [Member] Term Loan [Member] Term Loan [Member] Term Loan [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Debt Facility [Member] Debt Facility [Member] Debt Facility [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Tranche B Loan [Member] Tranche B Loan [Member] Tranche B Loan [Member] Tranche C Loan [Member] Tranche C Loan [Member] Tranche C Loan [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Line of credit facility Line of Credit Facility, Maximum Borrowing Capacity Term Loan Facility Debt Instrument, Face Amount Percentage spread on debt Debt Instrument, Basis Spread on Variable Rate Notional value of interest rate swap agreements Notional Amount of Interest Rate Derivatives Average fixed interest rate of variable rate term loans through swap agreements Derivative, Average Fixed Interest Rate Amount of hedged principal Derivative, Amount of Hedged Item Revolving credit facility, unused borrowing availability Line of Credit Facility, Remaining Borrowing Capacity Letters of credit outstanding Line of Credit Facility, Amount Outstanding Issuance of Debt [Member] Issuance of Debt [Member] Debt Repurchase Description [Axis] Debt Repurchase Description [Axis] Debt Repurchase Description [Axis] Debt Repurchase Description [Domain] Debt Repurchase Description [Domain] Debt Repurchase Description [Domain] Debt repurchase percentage of principal amount authorized pursuant to additional requirements [Member] Debt Instrument, Higher Repurchase Percentage of Principal Amount Authorized Pursuant to Additional Requirements [Member] Debt Instrument, Higher Repurchase Percentage of Principal Amount Authorized Pursuant to Additional Requirements [Member] Debt repurchase percentage of principal amount authorized if change of control [Member] Debt Instrument, Repurchase Percentage of Principal Amount Authorized if Change of Control [Member] Debt Instrument, Repurchase Percentage of Principal Amount Authorized if Change of Control [Member] Date Range [Axis] Date Range [Axis] Date Range [Axis] Date Range [Domain] Date Range [Domain] Date Range [Domain] Debt repurchase date range, from January 15, 2013 to January 14, 2014 [Member] Debt Instrument, Repurchase Date Range, from January 15, 2013 to January 14, 2014 [Member] Debt Instrument, Repurchase Date Range, from January 15, 2013 to January 14, 2014 Debt repurchase date range, from January 15, 2014 to January 14, 2015 [Member] Debt Instrument, Repurchase Date Range, from January 15, 2014 to January 14, 2015 [Member] Debt Instrument, Repurchase Date Range, from January 15, 2014 to January 14, 2015 [Member] Debt repurchase date range, on or after January 15, 2015 [Member] Debt Instrument, Repurchase Date Range, on or after January 15, 2015 [Member] Debt Instrument, Repurchase Date Range, on or after January 15, 2015 [Member] Debt repurchase date range, from January 15, 2015 to January 14, 2016 [Member] Debt Instrument, Repurchase Date Range, from January 15, 2015 to January 14, 2016 [Member] Debt Instrument, Repurchase Date Range, from January 15, 2015 to January 14, 2016 [Member] Debt repurchase date range, on or after January 15, 2016 [Member] Debt Instrument, Repurchase Date Range, on or after January 15, 2016 [Member] Debt Instrument, Repurchase Date Range, on or after January 15, 2016 Senior unsecured notes [Member] Senior Debt Obligations [Member] Notes [Member] Notes [Member] Notes [Member] Initial Notes [Member] Initial Issuance of 7.75% Senior Unsecured Notes due 2016 and 8% Senior Unsecured Notes due 2018 combined [Member] 2016 Additional Notes [Member] 2010 Additional Notes due 2016 [Member] 2010 Additional Notes due 2016 [Member] 7.75% senior unsecured notes due 2016 [Member] 2016 Notes [Member] Initial Issuance of the 7.75% Senior Unsecured Notes Due 2016 [Member] 8% senior unsecured notes due 2018 [Member] 2018 Notes [Member] Initial Issuance of 8% Senior Unsecured Notes Due 2018 [Member] 2018 Additional Notes [Member] 2010 Additional Notes due 2018 [Member] 2010 Additional Notes due 2018 [Member] 2010 Additional Notes [Member] 2010 Additional Notes [Member] 2010 Additional Issuance to the 2016 and 2018 Notes Series [Member] 2012 Additional Notes [Member] 2012 Additional Notes [Member] Feb 2012 Additional Issuance to the 8% Senior Unsecured Notes due 2018 [Member] Variable Rate Senior Unsecured Convertible Notes [Member] Variable Rate Senior Unsecured Convertible Notes [Member] Variable Rate Senior Unsecured Convertible Notes [Member] Eight Percent, Seven Point Seven Five Percent, and Variable Convertible Senior Unsecured Notes, Combined [Member] Eight Percent, Seven Point Seven Five Percent, and Variable Convertible Senior Unsecured Notes, Combined [Member] Eight Percent, Seven Point Seven Five Percent, and Variable Convertible Senior Unsecured Notes, Combined [Member] Interest rate, long-term debt Debt Instrument, Interest Rate, Stated Percentage Gross proceeds from sale of senior unsecured notes Proceeds from Issuance of Senior Long-term Debt Redemtion percentage of principal amount Debt Instrument, Repurchase Percentage of Principal Amount Debt Instrument, Repurchase Percentage of Principal Amount, excluding accrued and unpaid interest Redemption percentage of aggregate principal amount authorized to be redeemed at higher percenatge of principal amount Debt Instrument, Percentage of Aggregate Principal Amount Authorized to be Repurchased at Higher Percenatge of Principal Amount Debt Instrument, Percentage of Aggregate Principal Amount Authorized to be Repurchased at Higher Percenatge of Principal Amount Percentage of aggregate principal amount required to remain outstanding if debt redeemed at higher percenatge of principal amount Debt Instrument, Percentage of Aggregate Principal Amount Required to Remain Outstanding if Debt Redeemed at Higher Percenatge of Principal Amount Debt Instrument, Percentage of Aggregate Principal Amount Required to Remain Outstanding if Debt Redeemed at Higher Percenatge of Principal Amount Variable interest rate Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate Variable rate notes conversion price per depositary unit Debt Instrument, Convertible, Conversion Price Variable rate notes, principal amount converted per depositary unit Debt Instrument, Convertible, Principal Amount Converted Per Depositary Unit Debt Instrument, Convertible, Principal Amount Converted Per Depositary Unit Variable rate notes, depositary unit, maximum dividends, per share, declared, before matching distribution to variable rate noteholders required Depositary Unit, Maximum Dividends, Per Share, Declared, Before Matching Distribution to Variable Rate Noteholders Required Depositary Unit, Maximum Dividends, Per Share, Declared, Before Matching Distribution to Variable Rate Noteholders Required Variable rate notes, distribution amount Debt Instrument, Distribution Amount Debt Instrument, Distribution Amount Additional indebtedness allowed per debt covenants Additional Indebtedness Allowed Per Debt Covenants Additional Indebtedness Allowed Per Debt Covenants Organization, Consolidation and Presentation of Financial Statements [Abstract] Entities [Table] Entities [Table] Oil and Gas Production Type [Axis] Oil and Gas Production Type [Axis] Petroleum [Member] Crude Oil [Member] Nitrogen Fertilizer [Member] 325311 Nitrogenous Fertilizer Manufacturing [Member] Refineries [Member] 324110 Petroleum Refineries [Member] Managing Member or General Partner [Axis] Managing Member or General Partner [Axis] Icahn Enterprises G.P. [Member] Icahn Enterprises G.P. [Member] Icahn Enterprises G.P. [Member] Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Restricted cash [Member] Restricted cash [Member] Restricted cash Entity Information [Line Items] Entity Information [Line Items] Percentage of equity ownership in operating subsidiary Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest General partner ownership percentage in Icahn Enterprises Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest General partner ownership interest in operating subsidiary Subsidiary of Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Subsidiary of Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Aggregate general partner ownership interest of parent and operating subsidiary Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Aggregate Ownership interest of Parent and Holding Company Subsidiaries Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Aggregate Ownership interest of Parent and Holding Company Subsidiaries Affiliate ownership interest in Icahn Enterprises (in units) Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest, Units Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest, Units Affiliate ownership interest in Icahn Enterprises Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest Carrying value of long-term debt Debt and Capital Lease Obligations Fair value of long-term debt Long-term Debt, Fair Value Cash held at consolidated affiliated partnerships and restricted cash Restricted Cash and Cash Equivalents Planned major maintenance Cost of Property Repairs and Maintenance Planned major maintenance (in years) Operating Expense, Plant Maintenance, Frequency, Years Operating Expense, Plant Maintenance, Frequency, Years Tropicana [Member] Tropicana [Member] Tropicana [Member] PSC Metals [Member] PSC Metals [Member] PSC Metals [Member] WPH [Member] WPH [Member] WPH [Member] Railcar Segment [Member] Railcar Segment [Member] Railcar Segment [Member] Home Fashion Segment [Member] Home Fashion Segment [Member] Home Fashion Segment [Member] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Petroleum Transportation [Member] Petroleum Transportation [Member] Petroleum Transportation [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] ARI [Member] ARI [Member] ARI [Member] ACF [Member] ACF [Member] ACF [Member] Starfire Holding Corporation [Member] Starfire Holding Corporation [Member] Starfire Holding Corporation [Member] Investee [Axis] Investee [Axis] Investee [Axis] Investee Name [Domain] Investee Name [Domain] Investee Name [Domain] ARI Joint Venture [Member] ARI Joint Venture [Member] ARI Joint Venture [Member] Cleveland OH Scrap Processing Facility [Member] Cleveland OH Scrap Processing Facility [Member] Cleveland OH Scrap Processing Facility [Member] Exit Facility [Member] Exit Facility [Member] Exit Facility [Member] Principal Owners and Affiliates [Member] Term Loan Facility, discount percentage Debt Instrument, Discount Percentage Debt Instrument, Discount Percentage Percentage of loan to joint venture held Percentage of Loan to Related Entity Owned Percentage of Loan to Related Entity Owned Funding commitment, percentage of loan Funding Commitment, Percentage of Loan Funding Commitment, Percentage of Loan Negotiated settlement to resolve Port Refinery environmental matter Gain (Loss) Related to Litigation Settlement Possible material additional losses, above and beyond best estimate of required remediation costs Site Contingency, Loss Exposure in Excess of Accrual, Best Estimate Asset Retirement Obligation Asset Retirement Obligation Outstanding balance of loans due from ARI Joint Venture to ARI Due from Related Parties Funding commitment, remaining obligation Funding Commitment, Remaining Obligation Funding Commitment, Remaining Obligation Number of scrap processing facilities requiring refrigerant extraction services Number of Scrap Processing Facilities Requiring Refrigerant Extraction Services Number of Scrap Processing Facilities Requiring Refrigerant Extraction Services Number of years refrigerant extraction services must be offered at scrap processing facilities Number of Years Refrigerant Extraction Services Must be Offered at Scrap Processing Facilities Number of Years Refrigerant Extraction Services Must be Offered at Scrap Processing Facilities Costs associated with required injunctive relief, low estimate Environmental Compliance Costs, Anticipated Cost, Low Estimate Environmental Compliance Costs, Anticipated Cost, Low Estimate Costs associated with required injunctive relief, high estimate Environmental Compliance Costs, Anticipated Cost, High Estimate Environmental Compliance Costs, Anticipated Cost, High Estimate Civil penalty assessed and paid Affiliate ownership in parent company general partner Affiliate ownership in parent company general partner Affiliate ownership in parent company general partner Affiliate ownership interest Defined Benefit Plan, Funded Status of Plan Defined Benefit Plan, Funded Status of Plan Ownership Percentage by Mr. Icahn Ownership Percentage by Principal Owner Ownership percentage by principal owner in related party Subsidiary Indemnity Agreement, Pension Funding Contingencies As A Result of Being In The Controlled Group, Distribution Limitation, Net Worth Floor Subsidiary Indemnity Agreement, Pension Funding Contingencies As A Result of Being In The Controlled Group, Distribution Limitation, Net Worth Floor Subsidiary Indemnity Agreement, Pension Funding Contingencies As A Result of Being In The Controlled Group, Distribution Limitation, Net Worth Floor Statement of Partners' Capital [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] General partner [Member] General Partner [Member] Limited partners [Member] Limited Partner [Member] Treasury Stock [Member] Treasury Stock [Member] Parent [Member] Parent [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Increase (Decrease) in Partners' Capital [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] Equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Treasury units Treasury Stock, Shares Net income Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Cancellation of treasury units Treasury Stock, Retired, Cost Method, Amount Cancellation of treasury units (in units) Partnership contributions Partners' Capital Account, Contributions Partnership distributions Partners' Capital Account, Distributions Investment segment distributions Investment Management Distributions Distribution to non-controlling investors in the Private Funds. Acquisition of CVR Noncontrolling Interest, Increase from Business Combination LP unit issuance LP unit issuance LP unit issuance Changes in subsidiary equity and other Change in Subsidiary Equity and Other Change in subsidiary equity and other Equity Treasury units Operating Units [Abstract] Operating Units. [Abstract] Operating Units [Table] OPerating Units [Table] OPerating Units [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Restructuring 2012 [Member] Restructuring 2012 [Member] Restructuring 2012 Immediate Family Member of Management or Principal Owner [Member] Immediate Family Member of Management or Principal Owner [Member] Contract Type [Axis] Contract Type [Axis] Contract Type [Axis] Contract Type [Domain] Contract Type [Domain] Contract Type [Domain] Saragon Co- Manager Agreements [Member] 523920 Portfolio Management [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance [Member] Employee Severance [Member] Facility Closing [Member] Facility Closing [Member] PHILIPPINES PHILIPPINES New Co-Portfolio Manager Agreements [Member] New Co-Portfolio Manager Agreements [Member] New Co-Portfolio Manager Agreements [Member] Pending Business Acquisition [Member] Pending Business Acquisition [Member] Pending Business Acquisition [Member] Entity by Location [Axis] Entity by Location [Axis] Location [Domain] Location [Domain] Coffeyville, Kansas [Member] Coffeyville, Kansas [Member] Coffeyville, Kansas [Member] Wynnewood, Oklahoma [Member] Wynnewood, Oklahoma [Member] Wynnewood, Oklahoma [Member] Cushing, Oklahoma [Member] Cushing, Oklahoma [Member] Cushing, Oklahoma [Member] Crude Oil Gathering [Member] Crude Oil Gathering [Member] Crude Oil Gathering [Member] Pipeline Transportation of Crude Oil [Member] 486110 Pipeline Transportation of Crude Oil [Member] Location of operations, State or country [Axis] Location of operations, State or country [Axis] Location of operations, State or country [Axis] State or country of operations [Domain] State or country of operations [Domain] State or country of operations [Domain] NEVADA NEVADA MISSISSIPPI MISSISSIPPI INDIANA INDIANA LOUISIANA LOUISIANA NEW JERSEY NEW JERSEY ARUBA ARUBA MASSACHUSETTS MASSACHUSETTS FLORIDA FLORIDA High River [Member] High River [Member] High River [Member] CVR Partners, LP [Member] CVR Partners, LP [Member] CVR Partners, LP [Member] Viskase [Member] Viskase [Member] Viskase [Member] Real Estate [Member] Real Estate entities [Member] Aggregate Real Estate segment entities [Member] Partner Type [Axis] Partner Type [Axis] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Major Customers [Axis] Major Customers [Axis] Name of Major Customer [Domain] Name of Major Customer [Domain] Top three customers [Member] Group of Customers, Group two [Member] Group of Customers, Group two [Member] Top seven customers [Member] Group of Customers, Group One [Member] Group of Customers, Group One [Member] Operting Unit Information [Line Items] Segment Reporting Information [Line Items] Future rental receipts in next twelve months Future rental receipts in next twelve months Future rental receipts in next twelve months Asset Management, Term of The New Co-Manager Agreements Asset Management, Term of The New Co-Manager Agreements Asset Management, Term of The New Co-Manager Agreements Special Profit Interest Allocation Special Profits Interest Allocation Special Profits Interest Allocation to General Partners of Investment Funds Incentive Allocation Incentive Allocation Incentive Allocation to General Partners of Investment Funds Investment in funds Investment in funds Investment in funds Fair value of investment in Funds Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest, Fair Value The fair value of investment held in the subsidiary investment funds by the limited liability company or limited partnership. Percentage of equity ownership in subsidiary Gross accounts receivable factored Transferor's Interests in Transferred Financial Assets, Fair Value Gross accounts receivable factored, qualifying as sales Gross accounts receivable factored, qualifying as sales Gross accounts receivable under factoring facilities qualify as sales. Outstanding transferred receivables for which cash had not yet been drawn Gross Accounts Receivable Factored, Cash Not Yet Drawn Gross Accounts Receivable Factored, Cash Not Yet Drawn Proceeds from factoring qualifying as sales Cash Flows Between Transferor and Transferee, Proceeds from New Transfers Accounts receivable discount expense Gain (Loss) from Sale of Financial Assets in Securitizations or Asset-backed Financing Arrangement Maximum exposures to accounts receivable factoring and securitization facilities Qualitative and Quantitative Information, Transferor's Continuing Involvement, Principal Amount Outstanding Restructuring charges Restructuring and Related Cost, Expected Cost Restructuring and Related Cost, Expected Cost Cash advances from insurance carrier Advance on Insurance Recoverable Advance on Insurance Recoverable received during period Insurance recoverables Insurance Settlements Receivable Barrels per day Production, Barrels of Oil Per Day Production, Barrels of Oil Per Day Crude oil pipeline, length, miles Crude Oil Pipeline, Length, Miles Crude Oil Pipeline, Length, Miles Storage capacity, barrels of oil Production, Barrels of Oil, Storage Capacity Production, Barrels of Oil, Storage Capacity Production, Barrels of Oil, Leased Storage Capacity Production, Barrels of Oil, Leased Storage Capacity Production, Barrels of Oil, Leased Storage Capacity Tons of ammonia per day Production, Tons of Ammonia Per Day Production, Tons of Ammonia Per Day Tons of UAN per day Production, Tons of Urea and Ammonium Nitrate Per Day Production, Tons of Urea and Ammonium Nitrate Per Day Cubic feet of hydrogen per day Production, Cubic Feet of Hydrogen Per Day Production, Cubic Feet of Hydrogen Per Day Tons of ammonia Production, Tons of Ammonia Production, Tons of Ammonia Ammonia upgraded into UAN, percentage Production, Ammonia Upgraded into UAN, Percentage Production, Ammonia Upgraded into UAN, Percentage Tons of UAN Production, Tons of UAN Production, Tons of UAN Plant expansion program, term, years Plant Expansion Program, Term, Years Plant Expansion Program, Term, Years Planned annual increase in UAN production, next two years Production, Urea and Ammonium Nitrate, Planned Annual Increase, Next Two Years Production, Urea and Ammonium Nitrate, Planned Annual Increase, Next Two Years Planned annual increase in UAN production, next two years, percentage Production, Urea and Ammonium Nitrate, Planned Annual Increase, Next Two Years, Percentage Production, Urea and Ammonium Nitrate, Planned Annual Increase, Next Two Years, Percentage Percentage of pet coke utilized by nitrogen fertlizer plant produced and supplied by subsidiary Percentage of Petroleum Coke Utilized by Nitrogen Fertlizer Plant Produced and Supplied by Subsidiary, Five Year Average Percentage of Petroleum Coke Utilized by Nitrogen Fertlizer Plant Produced and Supplied by Subsidiary, Five Year Average Number of casinos operated by subsidiary Number of Casinos Number of Casinos Owned and Operated Square feet of gaming space Casino space, square footage Casino space, square footage Number of slot machines Number of Slot Machines Number of Slot Machines Number of table games Number of Table Games Number of Table Games Number of hotel rooms Number of Hotel Rooms Number of Hotel Rooms Shares of stock acquired in subsidiary Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest Acquired During Period, Shares Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest Acquired During Period, Shares Shares of subsidiary stock owned Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest, Shares Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest, Shares Distribution-in-kind received, shares Distribution-In-Kind Paid by Majority Owned Subsidiary to Parent, Shares Transfer of ownership of a consolidated business from a majority owned subsidiary to the parent, Distribution-In-Kind Paid, Shares Distribution-in-kind received, value Distribution-In-Kind Paid by a majority owned subsidiary to parent, Value Transfer of ownership of a consolidated business from a majority owned subsidiary to the parent, Distribution-In-Kind Paid, Value Redemption value of limited and general partnership interest in subsidiary Redemption of equity interest of parent in majority owned subsidiary Redemption of equity interest in majority owned subsidiary resulting from transfer of ownership in a consolidated business from the majority owned subsidiary to the parent, Distribution in kind, Value Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Additional Interest Issued to Parent Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Additional Interest Issued to Parent Consolidation, Less than Wholly Owned Subsidiary, Non-controlling Interest, Changes, Due to additional interests acquired by controlling enity Consolidation, Less than Wholly Owned Subsidiary, Non-controlling Interest, Changes, Due to additional interests acquired by controlling enity Represents reduction of non-controlling interest due to a (noncash) issuance of additional equity interests to the parent by a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent and non-controlling interest. The additional equity interest represented by this element increases the parent's controlling interest in the subsidiary and decreases non-controlling interests. Percentage of loans held by related entity Manufacturing facilities operated by subsidiary Nnumber of Manufacturing Facilities Nnumber of Manufacturing Facilities Distribution centers operated by subsidiary Number of Distribution Centers Number of Distribution Centers Percentage of net sales from customers located outside the United States Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries, Percentage Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries, Percentage Capital investment, including machinery Segment Reporting Information, Expenditures for Additions to Long-Lived Assets Total capital investment to date on project Segment Reporting Information, Expenditures for Additions to Long-Lived Assets, Aggregate for Project Segment Reporting Information, Expenditures for Additions to Long-Lived Assets, Aggregate for Project Anticipated additional equipment expenditures for remainder of 2012 through December 31, 2016 Segment Reporting Information, Additional Expenditures for Additions to Long-Lived Assets Expected Remainder of Curent Year and Next Four Years Segment Reporting Information, Additional Expenditures for Additions to Long-Lived Assets Expected Remainder of Curent Year and Next Four Years Number of rental real estate properties Number of Real Estate Properties Number of Units of Residential Housing in Future Development Number of Units of Residential Housing in Future Development Number of Units of Residential Housing in Future Development Pledged net investment in financing leases and net rental real estate leasted to others Pledged Assets, Other, Not Separately Reported on Statement of Financial Position Percentage of subsidiary net sales attributable to top customers Subsidiary's significant customers, percentage of subsidiary's net revenue Subsidiary's significant customers, percentage of subsidiary's net revenue Asset Management Costs, Percentage of Profit, One Time Lump Sum Payment Asset Management Costs, Percentage of Profit, One Time Lump Sum Payment Asset Management Costs, Percentage of Profit, One Time Lump Sum Payment Investment Funds to be Made Available by Affiliates Investment Funds to be Made Available by Affiliates Investment Funds to be Made Available by Affiliates Investment Funds to be Made Available by Affiliates, Percentage by Entity Investment Funds to be Made Available by Affiliates, Percentage by Entity Investment Funds to be Made Available by Affiliates, Percentage by Entity Future rental receipts in two years Future rental receipts in two years Future rental receipts in two years Future rental receipts in three years Future rental receipts in three years Future rental receipts in three years Future rental receipts in four years Future rental receipts in four years Future rental receipts in four years Future rental receipts in five years Future rental receipts in five years Future rental receipts in five years Future rental receipts after five years Future rental receipts after five years Future rental receipts after five years Operating Leases, Future Minimum Payments Receivable Operating Leases, Future Minimum Payments Receivable Future minimum required payments, six months ending December 31, 2012, Operating Leases Operating Leases, Future Minimum Payments Due, Next Twelve Months Future minimum required payments, six months ending December 31, 2012, Unconditional Purchase Obligations Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months Future minimum required payments, year ending December 31, 2013, Operating Leases Operating Leases, Future Minimum Payments, Due in Two Years Future minimum required payments, year ending December 31, 2013, Unconditional Purchase Obligations Unrecorded Unconditional Purchase Obligation, Due within Two Years Future minimum required payments, year ending December 31, 2014, Operating Leases Operating Leases, Future Minimum Payments, Due in Three Years Future minimum required payments, year ending December 31, 2014, Unconditional Purchase Obligations Unrecorded Unconditional Purchase Obligation, Due within Three Years Future minimum required payments, year ending December 31, 2015, Operating Leases Operating Leases, Future Minimum Payments, Due in Four Years Future minimum required payments, year ending December 31, 2015, Unconditional Purchase Obligations Unrecorded Unconditional Purchase Obligation, Due within Four Years Future minimum required payments, year ending December 31, 2016, Operating Leases Operating Leases, Future Minimum Payments, Due in Five Years Future minimum required payments, year ending December 31, 2016, Unconditional Purchase Obligations Unrecorded Unconditional Purchase Obligation, Due within Five Years Future minimum required payments, thereafter, Operating Leases Operating Leases, Future Minimum Payments, Due Thereafter Future minimum required payments, thereafter, Unconditional Purchase Obligations Unrecorded Unconditional Purchase Obligation, Due after Five Years Future minimum required payments, Operating Leases Operating Leases, Future Minimum Payments Due Future minimum required payments, Unconditional Purchase Obligation Unrecorded Unconditional Purchase Obligation Unconditional purchase obligation for petroleum transportation, payable ratably over nine years Unrecorded Unconditional Purchase Obligations, Due Ratably over Nine Years Unrecorded Unconditional Purchase Obligations, Due Ratably over Nine Years Term of unconditional purchase obligation for petroleum transportation Unrecorded Unconditional Purchase Obligations, Term of Service Provided Unrecorded Unconditional Purchase Obligations, Term of Service Provided Number of barrels of petroleum to be transported pursuant to unconditional purchase obligation Unrecorded Unconditional Purchase Obligations, Number of Barrels to be Transported Unrecorded Unconditional Purchase Obligations, Number of Barrels to be Transported Debt repurchase terms [Abstract] Debt repurchase terms [Abstract] Subsequent Event [Table] Subsequent Event [Table] Financing [Axis] Financing [Axis] Financing [Domain] Financing [Domain] Dividends [Axis] Dividends [Axis] Dividends [Domain] Dividends [Domain] Sale [Axis] Sale [Axis] Sale [Domain] Sale [Domain] Extraordinary Item [Axis] Extraordinary Item [Axis] Extraordinary Item [Domain] Extraordinary Item [Domain] Bankruptcy of Party [Axis] Bankruptcy of Party [Axis] Bankruptcy [Domain] Bankruptcy [Domain] Loss on Receivables [Axis] Loss on Receivables [Axis] Loss on Receivables [Domain] Loss on Receivables [Domain] Product Recall [Axis] Product Recall [Axis] Product Recall [Domain] Product Recall [Domain] New Contract [Axis] New Contract [Axis] New Contract [Domain] New Contract [Domain] Cancellation of Contract [Axis] Cancellation of Contract [Axis] Cancellation of Contract [Domain] Cancellation of Contract [Domain] Impairment in Value of Asset [Axis] Impairment in Value of Asset [Axis] Impairment in Value of Asset [Domain] Impairment in Value of Asset [Domain] Expropriation of Assets [Axis] Expropriation of Assets [Axis] Expropriation of Assets [Domain] Expropriation of Assets [Domain] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Change in Tax Status [Axis] Change in Tax Status [Axis] Change in Tax Status [Domain] Change in Tax Status [Domain] Subsequent Event [Line Items] Subsequent Event [Line Items] Debt Instrument, Repurchase Percentage of Principal Amount, excluding accrued and unpaid interest [Table Text Block] Debt Instrument, Repurchase Percentage of Principal Amount, excluding accrued and unpaid interest [Table Text Block] Debt Instrument, Repurchase Percentage of Principal Amount, excluding accrued and unpaid interest [Table Text Block] Investment Issuer [Axis] Investment Issuer [Axis] Investment Issuer [Domain] Investment Issuer [Domain] IEP Energy [Member] IEP Energy [Member] IEP Energy [Member] IEP Parties [Member] IEP Parties [Member] IEP Energy LLC and certain other affiliates of Icahn Enterprises [Member] Common shares of CVR tendered Business Acquisition, Common Shares Acquired Business Acquisition, Common Shares Acquired Percentage of CVR shares tendered Business Acquisition, Percentage of Voting Interests Acquired Business Combination, Acquisition Related Costs Business Combination, Acquisition Related Costs Acquisition-date fair value of equity interest in CVR held by IEP Energy immediately before the acquisition date Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Loss Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Loss Solicitation period from third party to acquire Business Acquisition, Solicitation Period from Third Party to Acquire Business Acquisition, Solicitation Period from Third Party to Acquire CCP valuation assumption, expected life of CCP Business Combination, Step Acquisition, Equity Interest in Acquiree, Valuation Assumptions, Contingent Potential Cash Payment, Expected Life Business Combination, Step Acquisition, Equity Interest in Acquiree, Valuation Assumptions, Contingent Potential Cash Payment, Expected Life EBITDA multiple used to calculate fair value of non-controlling interest in CVR Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple Schedule of Purchase Price Allocation Schedule of Purchase Price Allocation [Table Text Block] Business Acquisition, Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Fair Value, Instruments Classified in Shareholders' Equity Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Instruments Classified in Shareholders' Equity Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Instruments Classified in Shareholders' Equity Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Instruments Classified in Shareholders' Equity Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Unrealized losses included in earnings related to Level 3 investments Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Included in Investment Income Risk premium adjustment assumption to project change in fair value of loan Risk Premium Adjustment Assumption to Project Change in Fair Value of Loan Risk Premium Adjustment Assumption to Project Change in Fair Value of Loan Change in fair value of loan from 1 percent change in risk premium Fair Value, Option, Changes in Instrument Specific Credit Risk, Effect of One Percent Change to Risk Premium on Fair Value in Percentage of Change Fair Value, Option, Changes in Instrument Specific Credit Risk, Effect of One Percent Change to Risk Premium on Fair Value in Percentage of Change Statement of Other Comprehensive Income [Abstract] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Balance at January 1 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Gross realized and unrealized gains Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Gross proceeds Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Balance at September 30 Schedule of Future Minimum Rental Payments for Operating Leases and Unrecorded Unconditional Purchase Obligations Disclosure Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Operating Units Operating Units [Text Block] Supplemental information regarding the entity's reportable segments, as a single block text, including narrative business descriptions of reportable segments and relevent financial disclosures specific to reprortable segments no disclosed elsewhere. Inventories, Net Inventory Disclosure [Text Block] Schedule of Condensed Financial Statements [Table] Schedule of Condensed Financial Statements [Table] Holding Company [Member] Eliminations [Member] Consolidation, Eliminations [Member] Real Estate Segment [Member] Real Estate Segment [Member] Real Estate Segment [Member] Segment Reporting Information [Line Items] Number of reportable segments Number of Reportable Segments Net gain from investment activities Other (loss) income, net Total Revenues Total Expenses Income before income tax (expense) benefit Net income (loss) Supplemental information: Supplemental Income Statement Elements [Abstract] Capital expenditures Depreciation and amortization Depreciation, Depletion and Amortization Debt Type [Axis] Debt Type [Axis] Debt Type [Axis] Debt Type [Domain] Debt Type [Domain] Debt Type [Domain] CVR First Lien Notes [Member] CVR First Lien Notes [Member] 9% First Lien Senior Secured Notes due 2015 [Member] Debt Instrument, Repurchase Date Range, from November 1, 2017 to September 30, 2018 [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2017 to September 30, 2018 [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2017 to September 30, 2018 [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2018 to September 30, 2019 [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2018 to September 30, 2019 [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2018 to September 30, 2019 [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2019 to September 30, 2020 [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2019 to September 30, 2020 [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2019 to September 30, 2020 [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2020 and thereafter [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2020 and thereafter [Member] [Member] Debt Instrument, Repurchase Date Range, from November 1, 2020 and thereafter [Member] [Member] Debt repurchase date range, from January 15, 2014 to January 14, 2015 [Member] Debt Instrument, Repurchase Date Range, from October 23, 2012 to November 1, 2015 [Member] Debt Instrument, Repurchase Date Range, from October 23, 2012 to November 1, 2015 [Member] CVR Issuers [Member] CVR Issuers [Member] CRLLC and wholly owned subidiary Coffeyville Finance Inc. [Member] Use of proceed type [Axis] Use of proceed type [Axis] Use of proceed type [Axis] Use of proceed type [Domain] Use of proceed type [Domain] [Domain] for Use of proceed type [Axis] Repayment of Debt [Member] Repayment of Debt [Member] Payment of accrued interest [Member] Payment of accrued interest [Member] Payment of accrued interest [Member] Payment of premium [Member] Payment of premium [Member] Payment of premium [Member] repyament of additional debt [Member] repyament of additional debt [Member] repyament of additional debt [Member] 2022 Notes [Member] 2022 Notes [Member] 2022 Notes [Member] Property location [Axis] Property location [Axis] Property location [Axis] Tender Offer for shares of Netflix [Member] Tender Offer for shares of Oshkosh [Member] [Member] Tender Offer for shares of Oshkosh [Member] Expected future cost of planned maintenance Expected future cost of planned maintenance Expected future costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property. Tender offer, per share price Tender offer, per share price Tender offer, per share price Use of portion of debt proceeds Use of portion of debt proceeds Use of portion of debt proceeds Statement of Financial Position [Abstract] ASSETS Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, net Accounts Receivable, Net Due from brokers Due from Correspondent Brokers Inventories, net Inventory, Net Property, plant and equipment, net Property, Plant and Equipment, Net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Other assets Other Assets Total Assets Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Accounts payable Accounts Payable Accrued expenses and other liabilities Accrued Liabilities Deferred tax liability Deferred Tax Liabilities, Net Due to brokers Due to Correspondent Brokers Post-employment benefit liability Postemployment Benefits Liability Debt Total liabilities Liabilities Commitments and contingencies (Note 19) Commitments and Contingencies Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Limited partners: Depositary units: 104,229,749 units issued and outstanding at September 30, 2012 (including 627,651 units issued as a unit distribution on August 31, 2012, 532,190 units issued as a unit distribution on May 31, 2012 and 619,585 units issued as a unit distribution on March 30, 2012) and 86,708,914 units issued and 85,571,714 units outstanding at December 31, 2011 Limited Partners' Capital Account General partner General Partners' Capital Account Treasury units at cost: 1,137,200 depositary units at December 31, 2011 Treasury Stock, Value Equity attributable to Icahn Enterprises Stockholders' Equity Attributable to Parent Equity attributable to non-controlling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Total Liabilities and Equity Liabilities and Equity CRLLC [Member] CRLLC [Member] CRLLC [Member] EuroDollar [Member] EuroDollar [Member] EuroDollar [Member] CVR Second Lien Notes [Member] CVR Second Lien Notes [Member] 10.875% Second Lien Senior Secured Notes due 2017 [Member] Additional CVR Notes [Member] Additional CVR Notes [Member] Additional CVR Notes [Member] CVR Notes [Member] CVR Notes [Member] CVR Notes [Member] CVR First Lien Notes and Additional CVR Notes, Collectively [Member] CVR First Lien Notes and Additional CVR Notes, Collectively [Member] CVR First Lien Notes and Additional CVR Notes, Collectively [Member] ABL Credit Facility [Member] ABL Credit Facility [Member] ABL Credit Facility [Member] Terminated First Priority Credit Facility, Replaced by ABL Credit Facility [Member] Terminated First Priority Credit Facility, Replaced by ABL Credit Facility [Member] Terminated First Priority Credit Facility, Replaced by ABL Credit Facility [Member] Senior unsecured notes [Member] Debt Instrument, Unamortized Premium Debt Instrument, Unamortized Premium Issue percentage of principal amount Debt Instrument, Issue Percentage of Face Amount Debt Instrument, Issue Percentage of Face Amount Accrued interest included in issue price Debt Instrument, Accrued Interest Included in Issue Price Debt Instrument, Accrued Interest Included in Issue Price Letters of credit sublimit as a percentage of total facility commitment Line of Credit Facility, Maximum Borrowing Capacity, Letters of Credit Sublimit as a Percentage of Total Facility Commitment Line of Credit Facility, Maximum Borrowing Capacity, Letters of Credit Sublimit as a Percentage of Total Facility Commitment Line of credit facility, potential increase in maximum borrowing capacity if covenant requirements met Line of Credit Facility, Potential Increase in Maximum Borrowing Capacity if Covenant Requirements Met Line of Credit Facility, Potential Increase in Maximum Borrowing Capacity if Covenant Requirements Met Availability under ABL credit facility Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Line of credit facility, outstanding borowings Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Pension Benefits [Member] Pension Plans, Defined Benefit [Member] Other Post-Employement Benefits [Member] Other Postretirement Benefit Plans, Defined Benefit [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Prior service credit in AOCI Prior service credit in AOCI Prior service credit in AOCI Service Cost Defined Benefit Plan, Service Cost Interest Cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets 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Automotive and Home Fashion [Member] Automotive and Home Fashion [Member] Fair value of property, plant, and equipment impaired during the period Fair Value of Property, Plant and Equipment Impaired During the Period Fair Value of Property, Plant and Equipment Impaired During the Period Impairment of property, plant, and equipment Impairment of Long-Lived Assets Held-for-use Fair value of intangible assets measured on a non-recurring basis that was written down during the period Fair Value of Indefinite-Lived Intangible Assets Impaired During the Period Fair Value of Indefinite-Lived Intangible Assets Impaired During the Period Impairment of intangible assets (Excluding goodwill) Impairment of Intangible Assets (Excluding Goodwill) New Accounting Pronouncements and Changes in Accounting Principles [Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Description of New Accounting Pronouncements Not yet Adopted [Text Block] Description of New 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of Credit Facility, Obligation of Affiliate to Fund Borrowings, Percentage Line of Credit Facility, Obligation of Affiliate to Fund Borrowings, Percentage Default interest rate, Exit Facility Debt Instrument, Interest Rate, Default Percentage Debt Instrument, Interest Rate, Default Percentage Administrative fee amount, Exit Facility Line of Credit Facility, Administrative Fee Amount Line of Credit Facility, Administrative Fee Amount Other [Member] Debt facilities [Member] Secured credit facilities [Member] Mortgages payable [Member] Mortgages [Member] Other Debt Obligations [Member] Other Debt Obligations [Member] 8% senior unsecured notes due 2018 - Icahn Enterprises [Member] 7.75% senior unsecured notes due 2016 - Icahn Enterprises [Member] Senior unsecured variable rate convertible notes due 2013 - Icahn Enterprises [Member] Acquisition Business Combination Disclosure [Text Block] Property, Plant and Equipment [Abstract] Schedule of Property, Plant and Equipment [Table] Schedule of 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equipment, net Depreciation and amortization expense related to property, plant and equipment Depreciation Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income (Loss) [Text Block] Accumulated Other Comprehensive Income (Loss) [Text Block] Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Icahn Capital [Member] Icahn Capital [Member] Icahn Capital [Member] ARL [Member] ARL [Member] ARL [Member] Other Affiliates [Member] Other Affiliates [Member] XO Holdings [Member] XO Communications [Member] XO Communications [Member] Related Party Transactions, by Transaction Type [Axis] Related Party Transactions, by Transaction Type [Axis] Related Party Transactions, by Transaction Type [Axis] Related Party Transactions, by Type [Domain] Related Party Transactions, by Type [Domain] Related Party Transactions, by Type [Domain] Expense Sharing Agreement [Member] Expense Sharing Agreement [Member] Expense Sharing Agreement [Member] Investment-Related Expenses [Member] Investment-Related Expense Reimbursement [Member] Investment-Related Expense Reimbursement [Member] Railcar Services [Member] Railcar Services [Member] Railcar Repair and Maintenance Services [Member] Railcars Sales [Member] Railcars Sales [Member] Railcars Sales [Member] Non-exclusive use of office space expense [Member] Non-exclusive Use of Office Space [Member] Non-exclusive use of office space [Member] Telecommunication Services [Member] Telecommunication Services [Member] Telecommunication Services [Member] Professional Services [Member] Professional Fees [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Expenses charged by related party Related Party Transaction, Amounts of Transaction Capital contributions by non-controlling interests in subsidiary (Shares) OtherOwnershipInterestsShares Shares contributed by non-controlling interest in subidiary Capital contributions by non-controlling interests in subsidiary other ownership interest value Capital contributions by non-controlling interests in subsidiary, value Liability balances due to related party Related Party Transaction, Due from (to) Related Party Investments, fair value Investments, Fair Value Disclosure Settlement of deferred management fee Settlement of Deferred Management Fee Settlement of Deferred Management Fee Deferred Management Fee Deferred Management Fee Deferred Management Fee Term of service agreement (in years) Related Party Transaction, Service Agreement Term Related Party Transaction, Service Agreement Term Renewal period of service agreement (in years) Related Party Transaction, Service Agreement Term, Automatic Renewal Period Related Party Transaction, Service Agreement Term, Automatic Renewal Period Written notice requirment period to terminate services agreement (in days) Related Party Transaction, Service Agreement Term, Written Notice Period Required For Termination Related Party Transaction, Service Agreement Term, Written Notice Period Required For Termination Related Party Transaction, Other Revenues from Transactions with Related Party Related Party Transaction, Other Revenues from Transactions with Related Party Revenue from Related Parties Revenue from Related Parties Accounts receivable due from related parties Accounts Receivable, Related Parties Unsecured Debt [Member] Unsecured Debt [Member] Basis points spread on debt Trailing months used to calculate ratio of indebtedness to net capital Trailing Months Used to Calculate Leverage Ratios Trailing Months Used to Calculate Leverage Ratios Term of interest rate swap agreements Term of Interest Rate Derivatives Term of Interest Rate Derivatives Net Income Per LP Unit Earnings Per Share [Text Block] Other (Loss) Income, Net [Abstract] Other (Loss) Income, Net [Abstract] Schedule of Other Nonoperating Income (Expense) Other Income (Loss), Net [Table Text Block] Table for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. [Table Text Block] Investments and Related Matters [Abstract] Investments and Related Matters [Abstract] Investments and Related Matters Investments and Other Noncurrent Assets [Text Block] Future Minimum Operating Lease Revenue [Abstract] Future Minimum Operating Lease Revenue [Abstract] Future minimum operating lease revenue [Table] Future minimum operating lease revenue [Table] Future minimum operating lease revenue [Table] Future minimum operating lease revneue [Line Items] Future minimum operating lease revneue [Line Items] Future minimum operating lease revneue [Line Items] Schedule of Future Minimum Rental Receipts [Table Text Block] Schedule of Future Minimum Rental Receipts [Table Text Block] Schedule of Future Minimum Rental Receipts [Table Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Component of Other Income (Loss), Net [Axis] Component of Other Income (Loss), Net 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[Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Other Income (Loss) [Member] Other Income (Loss) Not Specified [Member] Other Income (Loss) not otherwise specified in the disclosure [Member] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Swap [Member] Swap [Member] Current Liabilities [Member] Current Liabilities [Member] Current Liabilities [Member] Long-term Liabilities [Member] Long-term Liabilities [Member] Long-term Liabilities [Member] Current Assets [Member] Current Assets [Member] Current Assets [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Fair value of open commodity positions, net liability Realized loss on commodity derivatives Gain (Loss) on Sale of Commodity Contracts Barrels of crack spreads hedging margin on future gasoline and distillate production Derivative, Nonmonetary Notional Amount Balance of debt partially hedged Lower fixed interest rate paid on interest rate swaps Derivative, Fixed Interest Rate Frequency of interest rate swap settlements Interest Rate Cash Flow Hedge Derivative, Settlement Frequency Interest Rate Cash Flow Hedge Derivative, Settlement Frequency Average fixed interest rate paid on interest rate swaps Effective interest rate on debt hedged Debt Instrument, Interest Rate, Effective Percentage Realized loss on interest rate swaps reclassified from AOCI into interest expense Derivative Instruments, Gain (Loss) Recognized in Income, Net Pensions,Other Post-employment Benefits and Employee Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Equity: Stockholders' Equity Attributable to Parent [Abstract] Limited partners: Depositary units issued Limited Partners' Capital Account, Units Issued Limited partners: Depositary units outstanding Limited Partners' Capital Account, Units Outstanding Treasury Units at Cost, units outstanding Component of Other Income (Loss), Net [Table] Component of Other Income (Loss), Ne [Table] Component of Other Income (Loss), Net [Table] Realized and unrealized loss on derivatives, net [Member] Gain (Loss) on Derivatives [Member] Dividend expense related to securities sod, not yet purchased [Member] Dividend Expense on Securities Sold Not Yet Purchased [Member] Dividend Expense on Securities Sold Not Yet Purchased [Member] (Loss) gain on disposition of assets [Member] Gain (Loss) on Disposition of Assets [Member] Appreciation on deferred management fee [Member] Appreciation on Deferred Management Fee [Member] Appreciation on Deferred Management Fee [Member] Equity earnings from non-consolidated affiliates [Member] Income (Loss) from Equity Method Investments [Member] Foreign currency translation loss [Member] Foreign Currency Gain (Loss) [Member] Other [Member] Component of Other Income (Loss), Net [Line Items] Component of Other Income (Loss), Net [Line Items] Component of Other Income (Loss), Net [Line Items] Consolidated Statements of Cash Flows [Abstract] Consolidated Statements of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Net gain from securities transactions Gain (Loss) on Investments Purchases of securities Payments to Acquire Marketable Securities Proceeds from sales of securities Proceeds from Sale and Maturity of Marketable Securities Purchases to cover securities sold, not yet purchased Purchases to Cover Securities Sold Not Yet Purchased Purchases to cover securities sold not yet purchased Proceeds from securities sold, not yet purchased Investment Sold, Not yet Purchased, Sale Proceeds Changes in receivables and payables relating to securities transactions Increase (Decrease) in Broker-Dealer Related Receivables (Payables), Net Depreciation and amortization Depreciation and amortization, including non-cash interest expense The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets as well as the non-cash portion of interest expense as a result of amortizing debt discount, premiums and financing costs. Deferred taxes Increase (Decrease) in Deferred Income Taxes Other, net Other Operating Activities, Cash Flow Statement Changes in cash held at consolidated affiliated partnerships and restricted cash Increase (Decrease) in Restricted Cash for Operating Activities Changes in other operating assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Productive Assets Acquisitions of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Proceeds from sale of investments Proceeds from Sale of Other Investments Purchases of investments Payments to Acquire Investments Other, net Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Investment segment distributions Capital Distributions To Non Controlling Interests Cash distributions paid to non-controlling investors in the Private Funds Investment segment contributions Capital Contributions by Non-controlling Interests Cash contributions by non-controlling investors in the Private Funds Partnership contributions Proceeds from Partnership Contribution Partnership distributions Distribution Made to Member or Limited Partner, Cash Distributions Paid Proceeds from issuance of senior unsecured notes Proceeds from Issuance of Unsecured Debt Proceeds from other borrowings Proceeds from Other Debt Repayments of borrowings Repayments of Debt and Capital Lease Obligations Other, net Proceeds from (Payments for) Other Financing Activities Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net change in cash of assets held for sale Net Change in Cash of Assets Held for Sale Net Change in Cash of Assets Held for Sale Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Supplemental information: Supplemental Cash Flow Information [Abstract] Cash payments for interest, net of amounts capitalized Interest Paid, Net Net cash payments for income taxes Income Taxes Paid, Net Net unrealized (loss) gain on available-for-sale securities Unrealized Gain (Loss) on Securities Acquisition of non-controlling interest in CVR Investment and Related Matter [Table] Investment and Related Matter [Table] Investment and Related Matter [Table] Other Segments [Member] Other Segments [Member] Other Segments [Member] Investment and Related Matters [Line Items] Investment and Related Matters [Line Items] Investment and Related Matters [Line Items] Investment Investment [Table Text Block] Business Combinations Policy Business Combinations Policy [Policy Text Block] Schedule of Investments [Table] Schedule of Investments [Table] Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Not Primary Beneficiary [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Equity Method Investee, Name [Axis] Equity Method Investee, Name [Axis] Equity Method Investee, Name [Domain] Equity Method Investee, Name [Domain] Turkey JV [Member] Turkey JV [Member] Turkey Joint Venture Schedule of Investments [Line Items] Schedule of Investments [Line Items] Equity Method Investments Equity Method Investments Other Investments Other Investments Investments Ownership in several non-consolidated affiliates, Percentage Equity Method Investment, Ownership Percentage Equity earnings from non-consolidated affiliates Income (Loss) from Equity Method Investments Sales generated by non-consolidated affiliates Equity Method Investment, Summarized Financial Information, Revenue Net income generated by non-consolidated affiliates Equity Method Investment, Summarized Financial Information, Net Income (Loss) Proceeds from Equity Method Investment, Dividends or Distributions Proceeds from Equity Method Investment, Dividends or Distributions Maximum payout amounts relating to put options written Open Option Contract Written, Potential Payment Amount The maximum payout of the open option contracts written for the investment. Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Viskase Senior Secured Notes due 2018 [Member] Viskase Senior Secured Notes due 2018 [Member] 9.875% Viskase Senior Secured Notes due 2018 "Viskase 9.875% Notes" [Member] Debt repurchase date range, Prior to January 15, 2014 [Member] Debt Instrument, Repurchase Date Range, Prior to January 15, 2014 [Member] Debt Instrument, Repurchase Date Range, Prior to January 15, 2014 [Member] Mortgages [Member] Viskase Notes Indenture [Member] Viskase Notes Indenture [Member] 9.875% Viskase Notes Indenture [Member] Income Taxes Income Tax Disclosure [Text Block] Raw materials Inventory, Raw Materials, Net of Reserves Work in process Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Total inventories, net Financial Instruments Financial Instruments Disclosure [Text Block] Open Option Contracts Written, Covered Put Options on Existing Short Positions Open Option Contracts Written, Covered Put Options on Existing Short Positions Open Option Contracts Written, Covered Put Options on Existing Short Positions Unrealized gains on open option contracts written Unrealized Gain (Loss) on Derivatives Fair value of derivative instruments with credit-risk related contingent features in a liability position Credit Risk Derivative Liabilities, at Fair Value Maximum notional amount of credit default swaps Notional Amount of Credit Risk Derivatives Term of credit default swaps Maximum Term of Credit Risk Derivatives Maximum exposure related to credit default swaps, percentage of notional amounts Maximum Potential Future Exposure on Credit Risk Derivatives, Percentage of Notional Amounts Maximum Potential Future Exposure on Credit Risk Derivatives, Percentage of Notional Amounts Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Goodwill, Gross Carrying Amount Goodwill, Gross Goodwill, Accumulated Impairment Goodwill, Impaired, Accumulated Impairment Loss Goodwill, Net Carrying Amount Other (Loss) Income, Net Other Income and Other Expense Disclosure [Text Block] Related Party Transactions Related Party Transactions Disclosure [Text Block] Description of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Post-employment benefits, net of tax Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax Hedge instruments, net of tax Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Translation adjustments and other, net of tax Accumulated Other Comprehensive Income (Loss), Translation adjustments and other, net of tax Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses. Also includes other immaterial balances. Accumulated other comprehensive loss IEP Parties equity interest in CVR prior to acquisition of controlling interest Fair Value of Equity Method Investment Under Fair Value Option Fair Value of Equity Method Investment Under Fair Value Option Preliminary purchase price allocation: [Abstract] Business Acquisition, Purchase Price Allocation [Abstract] Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Debt Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities Deferred tax liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Other assets and liabilities, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets (Liabilities), Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets (Liabilities), Net Fair value of identifiable net assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Fair value of non-controlling interests Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest Federal-Mogul and CVR [Member] Federal-Mogul and CVR [Member] Federal-Mogul and CVR [Member] Asset Derivatives, Total Other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Post-employment benefits Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Hedge instruments Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Translation adjustments and other Other Comprehensive Income - Translation Adjustments and Other Changes in Other Comprehensive Income Principally includes change in the balance sheet adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity for the period being reported, net of tax. If an entity's functional currency is a foreign currency, translation adjustments result from the process of translating that entity's financial statements into the reporting currency. Includes gain (loss) on foreign currency forward exchange contracts. Includes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. Includes the gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) and that have been designated and have qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation. Also includes other changes in other comprehensive income not otherwise identified. Other comprehensive (loss) income, net of tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Less: Comprehensive income attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to Icahn Enterprises Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Goodwill Schedule of Goodwill [Table Text Block] Schedule of Definite-Lived and Infinite-Lived Intangible Assets Schedule of Finite-Lived and Infinite-Lived Intangible Assets [Table Text Block] Schedule of Finite-Lived and Infinite-Lived Intangible Assets, Excluding Goodwill [Table Text Block] Credit Risk Contract [Member] Credit Risk Contract [Member] Futures Index Spread [Member] Futures Index Spread [Member] Futures Index Spread [Member] Net Gain from Investment Activities [Member] Net Gain from Investment Activities [Member] Net Gain from Investment Activities [Member] Gain (Loss) Recognized in Income, Derivatives Not Designated as Hedging Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Segment Reporting Segment Reporting Disclosure [Text Block] Compensation Arrangements Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Foreign currency contracts [Member] Interest expense [Member] Interest Expense [Member] Cost of goods sold [Member] Cost of Sales [Member] Other Income, Net [Member] Other Income, Net [Member] Income statement line item, Other Income, Net [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Amount of (Loss) Gain Recognized in OCI on Derivatives (Effective Portion), Derivatives Designated as Hedging Instruments Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Amount of (Loss) Gain Reclassified from AOCI into Income (Effective Portion), Derivatives Designated as Hedging Instruments Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Amount of Loss Recognized in Income on Derivatives (Ineffective Portion), Derivatives Designated as Hedging Instruments Derivative Instruments, Loss Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing Schedule of Definite-Lived and Indefinite-Lived Intangible Assets, by Segment [Table] Schedule of Finite-Lived and Indefinite-Lived Intangible Assets, by Segment [Table] Schedule of Finite-Lived and Indefinite-Lived Intangible Assets, by Segment [Table] Definite-Lived and Infinite-Lived Intangible Assets, by Segment [Line Items] Finite-Lived and Infinite-Lived Intangible Assets, by Segment [Line Items] Finite-Lived and Infinite-Lived Intangible Assets, by Segment [Line Items] Definite-lived intangible assets: [Abstract] Finite-Lived Intangible Assets, Gross and Net [Abstract] Finite-Lived Intangible Assets, Gross and Net [Abstract] Definite-lived intangible assets, Gross Carrying Amount Finite-Lived Intangible Assets, Gross Definite-lived intangible assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Definite-lived intangible assets, Net Carrying Value Finite-Lived Intangible Assets, Net Indefinite-lived intangible assets: [Abstract] Indefinite-Lived Intangible Assets, Gross and Net [Abstract] Indefinite-Lived Intangible Assets, Gross and Net [Abstract] Indefinite-lived intangible assets, Net Carrying Value Indefinite-Lived Intangible Assets (Excluding Goodwill) Intangible assets, net Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Investment Type [Axis] Investment Type [Axis] Investment Type Categorization [Domain] Investment Type Categorization [Domain] Equity Method Investments [Member] Equity Method Investments [Member] Hain [Member] Hain [Member] Hain [Member] MGM [Member] MGM [Member] MGM [Member] Icahn Fund Ltd. [Member] Icahn Fund Ltd. [Member] Icahn Fund Ltd. [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair value of equity method investment under fair value option Fair value option, recorded gains Fair Value, Option, Changes in Fair Value, Gain (Loss) Investment Owned, Balance, Shares Investment Owned, Balance, Shares Fair value option investment ownership percentage Fair Value Option Investment Ownership Percentage Fair Value Option Investment Ownership Percentage Liabilities, decrease from deconsolidation Liabilities, decrease from deconsolidation The amount of the reduction or elimination during the period of a liability resulting from the parent's loss of control and deconsolidation of the entity in which one or more outside parties had a noncontrolling interest. Increased equity attributable to non-controlling interests Noncontrolling Interest, Decrease from Deconsolidation Schedule of Property, Plant and Equipment, Net Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment, Net [Abstract] Property, Plant and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Goodwill and intangible assets, net Intangible Assets, Net (Including Goodwill) Other assets Other Assets and Due from Correspondent Brokers Other Assets and Due from Correspondent Brokers Total Assets Accounts payable, accrued expenses and other liabilities Accounts Payable and Accrued Liabilities Total liabilities Equity attributable to Icahn Enterprises Total equity Total Liabilities and Equity Marketable equity and debt securities Available-for-sale Securities, Fair Value Disclosure Investments in precious metals Investment in Physical Commodities Derivative contracts, Liabilities at fair value Derivative Financial Instruments, Liabilities, Fair Value Disclosure