Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Issuance of Debt [Member] Issuance of Debt [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [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 Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior unsecured notes [Member] Senior Debt Obligations [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 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] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Term Loan Facility Debt Instrument, Face Amount 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 Redemption 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 Financial Instruments [Abstract] Financial Instruments [Abstract] Derivative [Table] Derivative [Table] Business Segments [Axis] Business Segments [Axis] Segment [Domain] Segment [Domain] Investment Segment [Member] Investment Segment [Member] investment Segment [Member] 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. Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Derivative Contract Type [Domain] Credit default swaps [Member] Credit Default Swap [Member] Derivative [Line Items] Derivative [Line Items] 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. 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 Cash collateral posted for derivative positions Collateral Already Posted, Aggregate 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 Operating Units [Abstract] Operating Units. [Abstract] 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. Segment Reporting [Abstract] Segment Reporting Segment Reporting Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Tax Contingency [Table] Income Tax Contingency [Table] Other Segments [Member] Other Segments [Member] Other Segments [Member] Viskase [Member] Viskase [Member] Viskase [Member] Federal-Mogul [Member] Federal-Mogul [Member] Federal-Mogul [Member] Energy Segment [Member] Energy Segment [Member] Energy Segment [Member] Automotive Segment [Member] Automotive Segment [Member] Automotive Segment [Member] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Kansas KANSAS Foreign Tax Authority [Member] Foreign Tax Authority [Member] Domestic Tax Authority [Member] Domestic Tax Authority [Member] Oklahoma OKLAHOMA Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Segment, Geographical [Domain] United States UNITED STATES United Kingdom UNITED KINGDOM Other foreign jurisdictions [Member] Other Foreign countries [Member] Other Foreign countries [Member] WPI [Member] WPI [Member] WPI [Member] ARI [Member] ARI [Member] ARI [Member] American Entertainment Properties Corp. [Member] American Entertainment Properties Corp. [Member] American Entertainment Properties Corp. [Member] Icahn Enterprises Holdings [Member] Icahn Enterprises Holdings [Member] Icahn Enterprises Holdings [Member] Tropicana [Member] Tropicana [Member] Tropicana [Member] Atlantic Coast [Member] Atlantic Coast [Member] Atlantic Coast [Member] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Book basis of net assets income tax disclosure, book basis of net assets income tax disclosure, book basis of net assets Book/tax basis difference income tax disclosure, different between book basis and tax basis of net assets income tax disclosure, different between book basis and tax basis of net assets Tax basis of net assets income tax disclosure, tax basis of net assets income tax disclosure, tax basis of net assets Current Income Tax Expense (Benefit) Current Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit) Income tax benefit (expense) Income Tax Expense (Benefit) Deferred tax assets, Property, pland and equipment Deferred Tax Assets, Property, Plant and Equipment Deferred tax asset, net operating loss Deferred Tax Assets, Operating Loss Carryforwards deferred tax asset, Tax credits deferred tax asset, tax credits Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from tax credits. Deferred tax asset, Post-employment benefits, including pensions Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Deferred tax asset, Reoganization costs deferred tax asset, reoganization costs Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reorganization costs. Deferred tax asset, Other Deferred Tax Assets, Other Deferred Tax Assets, Gross Deferred Tax Assets, Gross Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Liabilities, Property, Plant and Equipment Deferred Tax Liabilities, Property, Plant and Equipment Deferred Tax Liabilities, Intangible Assets Deferred Tax Liabilities, Intangible Assets Deferred tax liability, Investment in partnerships deferred tax liability, investment in partnerships deferred tax liability, investment in partnerships Deferred tax liabilities, Investment in subsidiaries deferred tax liabilities, investment in subsidiaries Amount before allocation of valuation allowances of deferred tax liabilities attributable to deductible temporary differences from the entity's investment in its subsidiaries. Deferred Tax Liabilities, Other Deferred Tax Liabilities, Other Deferred Tax Liabilities, Gross Deferred Tax Liabilities, Gross deferred tax liabilities, net of deferred tax assets defered tax liabilities, net of deferred tax assets defered tax liabilities, net of deferred tax assets Deferred tax asset Deferred Tax Assets, Net Deferred tax liability Deferred Tax Liabilities, Net Changes in valuation allowance on deferred tax assets Valuation Allowance, Deferred Tax Asset, Change in Amount Undistributed Earnings of Foreign Subsidiaries Undistributed Earnings of Foreign Subsidiaries Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents held by foreign subsidiaries cash and cash equivalents, held by foreign subsidiaries cash and cash equivalents, held by foreign subsidiaries Deferred tax asst for tax loss carryforwrds and credits, subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration Domestic deferred tax asst for tax loss carryforwards and credits, subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Domestic Operating Loss Carryforwards, Expiration Dates Operating Loss Carryforwards, Expiration Dates Foreign deferred tax asst for tax loss carryforwards and credits, subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Foreign Portion of deferred tax asset from operating loss carryforwards with defined expiration date Portion of deferred tax asset from operating loss carryforwards with defined expiration date Portion of deferred tax asset from operating loss carryforwards with defined expiration date Domestic tax credits Domestic tax credits Domestic tax credits Fair Value Disclosures [Abstract] 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] Investment Type [Axis] Investment Type [Axis] Investment Type Categorization [Domain] Investment Type Categorization [Domain] Equity investment [Member] Equity investment [Member] Equity investment [Member] Fixed Income Investments [Member] Fixed Income Investments [Member] Other Investments [Member] Other Investments [Member] Managed investment funds [Member] Managed investment funds [Member] Managed investment funds [Member] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value, Disclosure Item Amounts [Domain] Equity securities Equity Securities [Member] Fixed income collective trust Fixed income collective trust [Member] Fixed income collective trust [Member] Fixed income securities Fixed Income Securities [Member] Corporate and other Corporate and Other [Member] Government Government [Member] Hedge funds Hedge Funds [Member] Real estate and other Real estate and other [Member] Real estate and other [Member] Insurance contracts Insurance contracts [Member] Insurance contracts Corporate bonds Corporate Bond Securities [Member] Other Aggregated Investments [Member] Other Aggregated Investments [Member] Cash Cash and Cash Equivalents [Member] Amounts due from broker Due from broker [Member] Due from broker [Member] Equity securities Equity Securities, Other [Member] 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] Non-U.S. Plans Foreign Pension Plans, Defined Benefit [Member] United States Plans United States Pension Plans of US Entity, Defined Benefit [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Recurring measurement [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Measurements, Nonrecurring [Member] Food Packaging Segment [Member] Food Packaging Segment [Member] Food Packaging 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 3 [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Estimate of Fair Value, Fair Value Disclosure [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 Defined Benefit Plan, Actual Plan Asset Allocations Defined Benefit Plan, Actual Plan Asset Allocations Defined Benefit Plan, Target Plan Asset Allocations Defined Benefit Plan, Target Plan Asset Allocations 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 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 benefit (expense) Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income tax benefit (expense) Income from continuing operations Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Loss from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Less: net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income 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 Net income attributable to Icahn Enterprises Basic income (loss) per LP unit: Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic [Abstract] Continuing operations Income (Loss) from Continuing Operations, Per Outstanding Limited Partnership Unit, Basic Discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Outstanding Limited Partnership Unit, Basic Basic income (loss) per LP unit Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic Basic weighted average LP units outstanding Weighted Average Number of Shares Outstanding, Basic Diluted income (loss) per LP unit: Net Income (Loss), Per Outstanding Limited Partnership Unit, Diluted [Abstract] Continuing operations Income (Loss) from Continuing Operations, Per Outstanding Limited Partnership Unit, Diluted Discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Outstanding Limited Partnership Unit, Diluted Diluted income (loss) per LP unit Net Income (Loss), Per Outstanding Limited Partnership Unit, Diluted Diluted weighted average LP units outstanding Weighted Average Number of Shares Outstanding, Diluted Cash distributions declared per LP unit Distributions Per Limited Partnership Unit Outstanding, Basic Statement of Other Comprehensive Income [Abstract] Partner Type [Axis] Partner Type [Axis] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Limited partners Limited Partner [Member] General partner General Partner [Member] Net income 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 Other Comprehensive Income (Loss), 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 Comprehensive income attributable to Icahn Enterprises allocable to: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Automotive Segment [Abstract] Automotive Segment [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] 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] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Restructuring 2012 [Member] Restructuring 2012 [Member] Restructuring 2012 Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Percentage of equity ownership in subsidiary Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest Gross amount of transferred receivables under factoring arrangement Transferor's Interests in Transferred Financial Assets, Fair Value Gross amount of transferred receivables under factoring arrangements qualifying as sales Gross accounts receivable factored, qualifying as sales Gross accounts receivable under factoring facilities qualify as sales. Gross amount of transferred receivables under factoring arrangements for which cash not yet drawn Gross Accounts Receivable Factored, Cash Not Yet Drawn Gross Accounts Receivable Factored, Cash Not Yet Drawn Proceeds from transferred receivables under factoring arrangements qualifying as sales Cash Flows Between Transferor and Transferee, Proceeds from New Transfers Expenses associated with transferred receivables under factoring arrangements Gain (Loss) from Sale of Financial Assets in Securitizations or Asset-backed Financing Arrangement Maximum exposure associated with transferred receivables under factoring arrangements Qualitative and Quantitative Information, Transferor's Continuing Involvement, Principal Amount Outstanding Restructuring, expected cost Restructuring and Related Cost, Expected Cost Insurance recoverables Insurance Settlements Receivable Insurance settlement used to restore operations Insurance settlement used to resore operations Insurance settlement used to resore operations Insurance recoveries Insurance Recoveries Summary of Significant Accounting Policies [Abstract] Summary of Significant Accounting Policies [Abstract] Schedule of Inventory, Current [Table Text Block] Schedule of Inventory, Current [Table Text Block] Schedule I - Statements of Cash Flows [Abstract] Schedule I - Statements of Cash Flows [Abstract] Schedule of Condensed Financial Information of Parent Company - Cash Flows [Table] Schedule of Condensed Financial Information of Parent Company - Cash Flows [Table] Schedule of Condensed Financial Information of Parent Company - Cash Flows [Table] Parent Company [Member] Parent Company [Member] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Preferred LP unit interest expense Interest Expense, Other Amortization of deferred financing costs Amortization of Financing Costs Amortization of debt discount Amortization of Debt Discount (Premium) Equity in earnings of subsidiary Income (Loss) from Equity Method Investments Net gain from securities transactions Gain (Loss) on Investments 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. Loss on extinguishment of debt Gains (Losses) on Extinguishment of Debt Other, net Other Operating Activities, Cash Flow Statement Change in operating assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Net investment in subsidiaries Payments to Acquire Equity Method Investments Proceeds from sale of investments Proceeds from Sale of Other Investments Other, net Payments for (Proceeds from) Other Investing Activities Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Partnership distributions Distribution Made to Member or Limited Partner, Cash Distributions Paid Partnership contributions Proceeds from Partnership Contribution Proceeds from other borrowings Proceeds from Other Debt Repayments of borrowings Repayments of Debt and Capital Lease Obligations Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net change in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets [Table] Goodwill and Intangible Assets [Table] Goodwill and Intangible Assets [Table] Purchase accounting adjustment account [Axis] Purchase accounting adjustment account [Axis] Purchase accounting adjustment account [Axis] Purchase accounting adjustment account [Domain] Purchase accounting adjustment account [Domain] [Domain] for Purchase accounting adjustment account [Axis] Property, plant and equipment [Member] Property, plant and equipment [Member] Property, plant and equipment [Member] Alleged defective products liability [Member] Alleged defective products liability [Member] Alleged defective products liability [Member] 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 license Gasification Technology [Member] Gasification Technology [Member] Permitting assets Other Intangible Assets [Member] Customer relationships 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] Gaming Segment [Member] Gaming Segment [Member] Gaming 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] Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Amortization expense associated with definite-lived intangible assets Amortization of Intangible Assets Estimated future amortization expense for definite-lived intangible assets, 2013 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Estimated future amortization expense for definite-lived intangible assets, 2014 Finite-Lived Intangible Assets, Amortization Expense, Year Two Estimated future amortization expense for definite-lived intangible assets, 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Three Estimated future amortization expense for definite-lived intangible assets, 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Four Estimated future amortization expense for definite-lived intangible assets, 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Five Estimated future amortization expense for definite-lived intangible assets, Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Total estimated future amortization expense for definite-lived intangible assets Total Expected Future Amortization Total amount of amortization expense expected to be recognized for all periods after the fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Increase to goodwill due to purchase accounting adjustment Goodwill, Purchase Accounting Adjustments Adjustment to liabilities due to purchase accounting error Adjustment to liabilities due to purchase accounting error Adjustment to liabilities due to purchase accounting error Adjustment to step-up value Goodwill, Period Increase (Decrease) Cash paid for acquisition Business Acquisition, Cost of Acquired Entity, Cash Paid Purchase price allcoation to definite-lived intangible assets, BERU acquisition Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Purchase price allcoation to indefinite-lived intangible assets, BERU acquisition Business Acquisition, Purchase Price Allocation, Intangible Assets Not Amortizable Goodwill Goodwill Impairment of intangible assets, Indefinite-lived (Excluding goodwill) Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Allocation of goodwill resulting from acquisition Business Acquisition, Purchase Price Allocation, Goodwill Amount Allocation of intangible assets resulting from acquisition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles 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 Adjustment to evnironmental liabilities due to purchase accounting adjustment BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentEnvironmentalLiability Adjustment to purchase price allocation, allocation to environmental liabilities Equity swaps Equity Swap [Member] Foreign currency forwards Foreign Exchange Forward [Member] Interest rate swap contracts Interest Rate Swap [Member] Commodity contracts Commodity Contract [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 Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] 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] CRRM [Member] CRRM [Member] CRRM [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Future minimum payments for unconditional purhcase obligations, 2013 Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months Future minimum payments for unconditional purhcase obligations, 2014 Unrecorded Unconditional Purchase Obligation, Due within Two Years Future minimum payments for unconditional purhcase obligations, 2015 Unrecorded Unconditional Purchase Obligation, Due within Three Years Future minimum payments for unconditional purhcase obligations, 2016 Unrecorded Unconditional Purchase Obligation, Due within Four Years Future minimum payments for unconditional purhcase obligations, 2017 Unrecorded Unconditional Purchase Obligation, Due within Five Years Future minimum payments for unconditional purhcase obligations, Thereafter Unrecorded Unconditional Purchase Obligation, Due after Five Years Total future minimum payments for unconditional purhcase obligations 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 Compensation and Retirement Disclosure [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Debt Securities [Member] Debt Securities [Member] Defined benefit plan, sensitivity of assumptions used to determine PBO [Axis] [Axis] Defined benefit plan, sensitivity of assumptions used to determine PBO [Axis] [Axis] Defined benefit plan, sensitivity of assumptions used to determine PBO [Axis] Defined benefit plan, sensitivity of assumptions used to determine PBO [Axis] [Domain] Defined benefit plan, sensitivity of assumptions used to determine PBO [Axis] [Domain] [Domain] for Defined benefit plan, sensitivity of assumptions used to determine PBO [Axis] 25 bp decrease in discount rate 25 basis point decrease in discount rate [Member] 25 basis point decrease in discount rate [Member] 25 bp increase in discount rate 25 basis point increase in discount rate [Member] 25 basis point increase in discount rate [Member] 25 bp decrease in return on assets rate 25 basis point decrease in return on asset rate [Member] 25 basis point decrease in return on asset rate [Member] 25 bp increase in return on assets rate 25 basis point increase in return on asset rate [Member] 25 basis point increase in return on asset rate [Member] United States Welfare Benefit Plan [Member] United States Welfare Benefit Plan [Member] United States Welfare Benefit Plan [Member] Other Post-Employment Benefits Other Postretirement Benefit Plans, Defined Benefit [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Curtailment gain Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments Service cost Defined Benefit Plan, Service Cost Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements Weighted average assumptions used to determine benefit obligation, Discount rate Defined benefit plan, assumption used calculated projected benefit obligation, discount rate Defined benefit plan, assumption used calculated projected benefit obligation, discount rate Weighted average assumptions used to determine benefit obligation, Rate of compensation increase Defined benefit plan, assumption used calculated projected benefit obligation, rate of compensation increase Defined benefit plan, assumption used calculated projected benefit obligation, rate of compensation increase Weighted average assumptions used to determine net periodic benefit cost, Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Weighted average assumptions used to determine net periodic benefit cost, Expected return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Weighted average assumptions used to determine net periodic benefit cost, Rate of consumption increase Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Percent of plan assets invested in actively managed investment funds Percent of plan assets invested in actively managed investment funds Percent of plan assets invested in actively managed investment funds Defined benefit plans with projected benefit obligation in excess of plan assets Defined benefit plan, plans with projected benefit obligations in excess of plan assets, aggregate projected benefit obligation Defined benefit plan, plans with projected benefit obligations in excess of plan assets, aggregate projected benefit obligation Fair value of plan assets for benefit plans with projected benefit obligations in excess of plan assets Defined benefit plan, plans with projected benefit obligations in excess of plan assets, fair value of plan assets Defined benefit plan, plans with projected benefit obligations in excess of plan assets, fair value of plan assets Projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation Accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation Fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets Accumulated benefit obligation for all pension plans Defined Benefit Plan, Accumulated Benefit Obligation Amounts in accumulated other comprehensive loss expected to be recognized as Amortizatoin of actuarial losses in 2013 Defined benefit plans, amount in AOCI expected to be reclassed into net periodic benefit cost in the next year, amortization of actuarial losses Defined benefit plans, amount in AOCI expected to be reclassed into net periodic benefit cost in the next year, amortization of actuarial losses Amounts in accumulated other comprehensive loss expected to be recognized as Amortization of prior service credit in 2013 Defined benefit plans, amount in AOCI expected to be reclassed into net periodic benefit cost in the next year, amortization of prior service credit Defined benefit plans, amount in AOCI expected to be reclassed into net periodic benefit cost in the next year, amortization of prior service credit Amounts in accumulated other comprehensive loss expected to be recognized as net periodic benefit cost in 2013 Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year Health care cost trend rate Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year Ultimate health care cost trend rate Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Year ultimate health care cost trend rate reached Defined Benefit Plan, Year that Rate Reaches Ultimate Trend Rate Ultimate drug cost trend rate Defined benefit plan, ultimate drug cost trend rate Defined benefit plan, ultimate drug cost trend rate Drug cost trend rate Defined benefit plan, drug cost trend rate Defined benefit plan, drug cost trend rate Year ultimate drug cost trend rate reached Defined Benefit Plan, Year that Drug Cost Rate Reaches Ultimate Trend Rate Defined Benefit Plan, Year that Drug Cost Rate Reaches Ultimate Trend Rate 100 bp increase in health care cost trend rate, impact on Total service and Interest cost Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components 100 bp decrease in health care cost trend rate, impact on APBO Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation 100 bp decrease in health care cost trend rate, impact on Total service and Interest cost Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components 100 bp decrease in health care cost trend rate, impact on APBO Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation Change in 2013 expense Change in pension expense due to sensitivity of assumptions used to determine projected benefit obligation, next twelve months Change in pension expense due to sensitivity of assumptions used to determine projected benefit obligation, next twelve months Change in PBO Change in projected benefit obligation due to sensitivity of assumptions used to determine projected benefit obligation, next twelve months Change in projected benefit obligation due to sensitivity of assumptions used to determine projected benefit obligation, next twelve months Change in accumulated OCL Change in accumulated other comprehensive loss due to sensitivity of assumptions used to determine projected benefit obligation, next twelve months Change in accumulated other comprehensive loss due to sensitivity of assumptions used to determine projected benefit obligation, next twelve months Projected future benefit payments for benefit plans, 2013 Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months Projected future benefit payments for benefit plans, 2014 Defined Benefit Plan, Expected Future Benefit Payments, Year Two Projected future benefit payments for benefit plans, 2015 Defined Benefit Plan, Expected Future Benefit Payments, Year Three Projected future benefit payments for benefit plans, 2016 Defined Benefit Plan, Expected Future Benefit Payments, Year Four Projected future benefit payments for benefit plans, 2017 Defined Benefit Plan, Expected Future Benefit Payments, Year Five Projected future benefit payments for benefit plans, 2018-2022 Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter Expected future contributions to benefit plans in 2013 Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year Total expenses attributable to defined contribution plan Defined Contribution Plan, Cost Recognized Contributions to multi-employer plans Multiemployer Plan, Period Contributions Liabilities for benefits to former or inactive employees paid after employment but before retirement Supplemental Unemployment Benefits, Other Postemployment Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] 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] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived intangible assets: Indefinite-lived Intangible Assets, Major Class Name [Domain] Trademarks and brand names Trademarks [Member] Gaming licenses Gaming license [Member] Gaming license Developed technology Developed Technology Rights [Member] In-place leases Leases, Acquired-in-Place [Member] Other Unclassified Indefinite-lived Intangible Assets [Member] Intangible Assets, [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] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization 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] Net Carrying Value Indefinite-Lived Intangible Assets (Excluding Goodwill) Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Quarterly Financial Data (Unaudited) [Abstract] Quarterly Financial Data (Unaudited) [Abstract] Gross Profit Gross Profit Revenues Basic income (loss) per LP unit Diluted income (loss) per LP unit Schedule of Condensed Financial Statements [Table] Schedule of Condensed Financial Statements [Table] Holding Company [Member] Eliminations [Member] Consolidation, Eliminations [Member] Railcar Segment [Member] Railcar Segment [Member] Railcar Segment [Member] Real Estate Segment [Member] Real Estate Segment [Member] Real Estate Segment [Member] Home Fashion Segment [Member] Home Fashion Segment [Member] Home Fashion Segment [Member] Holding Company [Member] Holding Company [Member] Holding Company [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] ASSETS Assets [Abstract] Cash held at consolidated affiliated partnerships and restricted cash Restricted Cash and Cash Equivalents Investments Investments Accounts receivable, net Accounts Receivable, Net Inventories, net Inventory, Net Property, plant and equipment, net Property, Plant and Equipment, Net 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 Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Accounts payable, accrued expenses and other liabilities Accounts Payable and Accrued Liabilities Securities sold, not yet purchased, at fair value Securities Sold, Not yet Purchased, Fair Value Disclosure Due to brokers Due to Correspondent Brokers Post-employment benefit liability Postemployment Benefits Liability Debt Debt and Capital Lease Obligations Total liabilities Liabilities Equity attributable to Icahn Enterprises Stockholders' Equity Attributable to Parent Equity attributable to non-controlling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total Liabilities and Equity Liabilities and Equity Statement of Financial Position [Abstract] 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] 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 Units issued as a unit distribution Distribution Made to Member or Limited Partner, Share Distribution Treasury units at cost, units outstanding Treasury Stock, Shares Business Combinations [Abstract] 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] Schedule I - Balance Sheet [Abstract] Schedule I - Balance Sheet [Abstract] Schedule of Condensed Financial Information of Parent Company - Balance Sheet [Table] Schedule of Condensed Financial Information of Parent Company - Balance Sheet [Table] Schedule of Condensed Financial Information of Parent Company - Balance Sheet [Table] Geographic Information [Abstract] Geographic Information [Abstract] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographic information, United States [Member] Segment, Geographical, Groups of Countries, Group One [Member] Geographic information, Germany [Member] Segment, Geographical, Groups of Countries, Group Two [Member] Geographic information, Other [Member] Segment, geographic, group three [Member] A thired specified group of foreign countries about which segment information is provided by the entity. [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Investments and Related Matters [Abstract] Investments and Related Matters [Abstract] Schedule of Investments [Table] Schedule of Investments [Table] joint venture [Axis] joint venture [Axis] joint venture [Axis] Joint Venture [Domain] Joint Venture [Domain] Joint Venture [Domain] Turkey JV [Member] Turkey JV [Member] Turkey Joint Venture 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] 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 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 Purchases from joint venture Purchases from joint venture Purchases from joint venture Sales to joint venture Sales to joint venture Sales to joint venture Due to joint venture Due to joint venture Due to joint venture Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Pensions,Other Post-employment Benefits and Employee Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Due from brokers Due from Correspondent Brokers Intangible assets, net Other assets Other Assets Total Assets Accounts payable Accounts Payable Accrued expenses and other liabilities Accrued Liabilities Total liabilities Commitments and contingencies (Note 19) Commitments and Contingencies Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Limited partners: Depositary units: 104,850,813 units issued and outstanding at December 31, 2012 (including 621,064 units issued as a unit distribution on November 30, 2012, 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 Total equity Total Liabilities and Equity Condensed Financial Information of Parent Company Only Disclosure [Abstract] Condensed Financial Information of Parent Company - Debt Note Details [Table] Condensed Financial Information of Parent Company - Debt Note Details [Table] Condensed Financial Information of Parent Company - Debt Note Details [Table] 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] Icahn Enterprises G.P. [Member] Icahn Enterprises G.P. [Member] Icahn Enterprises G.P. [Member] Senior unsecured variable rate convertible notes due 2013 - Icahn Enterprises/Icahn Enterprises Holdings 8% senior unsecured notes due 2018 - Icahn Enterprises/Icahn Enterprises Holdings 7.75% senior unsecured notes due 2016 - Icahn Enterprises/Icahn Enterprises Holdings Mortgages payable [Member] Mortgages [Member] Senior unsecured notes [Member] Mortgages [Member] General partner ownership percentage in Icahn Enterprises 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 Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest Fair Value Measurements Fair Value Disclosures [Text Block] Schedule I - Statements of Operations [Abstract] Schedule I - Statements of Operations [Abstract] Schedule of Condensed Financial Information of Parent Company - Statement of Operations [Table] Schedule of Condensed Financial Information of Parent Company - Statement of Operations [Table] Schedule of Condensed Financial Information of Parent Company - Statement of Operations [Table] Loss on extinguishment of debt Total Revenues Total Expenses Income from continuing operations 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] Valuation Technique [Axis] Valuation Technique [Axis] Valuation Technique [Domain] Valuation Technique [Domain] Black Scholes [Member] Black Scholes [Member] Black Scholes [Member] Type of Deferred Compensation [Axis] Type of Deferred Compensation [Axis] Type of Deferred Compensation, All Types [Domain] Type of Deferred Compensation, All Types [Domain] Stock Options [Member] Stock Options [Member] Deferred Compensation, Share-based Payments [Member] Deferred Compensation, Share-based Payments [Member] 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 compensation expense Deferred Compensation Arrangement with Individual, Compensation Expense Deferred compenstion intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value 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 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Employee Service Share-based Compensation, Vested Awards, Grant date fair value Employee Service Share-based Compensation, Vested Awards, Grant date fair value Employee Service Share-based Compensation, Unvested Awards, Grant date fair value Employee Service Share-based Compensation, Unvested Awards, Grant date fair value Employee Service Share-based Compensation, Unvested Awards, Grant date fair value Liability for unvested restricted stock awards Liability for unvested restricted stock awards Liability for unvested restricted stock awards Cash paid to settle liability-classified awards upon vesting Employee Service Share-based Compensation, Cash Flow Effect, Cash Used to Settle Awards Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Maturities of Long-term Debt [Table Text Block] Accumulated Other Comprehensive Income (Loss) [Abstract] Accumulated Other Comprehensive Income (Loss) [Abstract] 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 Accumulated Other Comprehensive Income (Loss), Net of Tax Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entities [Table] Entities [Table] Entity Information [Line Items] Entity Information [Line Items] 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 Entity Public Float Entity Public Float Other (Loss) Income, Net [Abstract] Other (Loss) Income, Net [Abstract] Component of Other Income (Loss), Net [Table] Component of Other Income (Loss), Ne [Table] Component of Other Income (Loss), Net [Table] Component of Other Income (Loss), Net [Axis] Component of Other Income (Loss), Net [Axis] Component of Other Income (Loss), net [Axis] Component of Other Income (Loss), Net, Name [Domain] Component of Other Income (Loss), Net Name [Domain] Component of Other Income (Loss), Net Name [Domain] Gain on acquisition Gain on Purchase of Business [Member] Loss on extinguishment of debt Loss on Debt Extinguishment [Member] Loss on Debt Extinguishment [Member] Realized and unrealized loss on derivatives, net Gain (Loss) on Derivatives [Member] Dividend expense related to securities sold, not yet purchased Dividend Expense on Securities Sold Not Yet Purchased [Member] Dividend Expense on Securities Sold Not Yet Purchased [Member] Gain (loss) on disposition of assets Gain (Loss) on Disposition of Assets [Member] Appreciation on deferred management fee Appreciation on Deferred Management Fee [Member] Appreciation on Deferred Management Fee [Member] Equity earnings from non-consolidated affiliates Income (Loss) from Equity Method Investments [Member] Foreign currency translation loss Foreign Currency Gain (Loss) [Member] Other Other Income (Loss) Not Specified [Member] Other Income (Loss) not otherwise specified in the disclosure [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] Other (loss) income, net 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] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Not 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] 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 Unrealized net gains (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 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 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 Accounting Policies [Table] Accounting Policies [Table] Accounting Policies Oil and Gas Production Type [Axis] Oil and Gas Production Type [Axis] Refineries [Member] 324110 Petroleum Refineries [Member] Nitrogen Fertilizer [Member] 325311 Nitrogenous Fertilizer Manufacturing [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 Schedule of Significant Accounting Policies [Line Items] Schedule of Significant Accounting Policies [Line Items] Schedule of Significant Accounting Policies [Line Items] Fair value of long-term debt Long-term Debt, Fair Value Planned major maintenance Cost of Property Repairs and Maintenance Planned major maintenance, frequency (in years) Operating Expense, Plant Maintenance, Frequency, Years Operating Expense, Plant Maintenance, Frequency, Years Special profits interest allocations percentage Special Profits Interest Allocations percentage Special Profits Interest Allocations percentage Incentive allocation percentage Incentive allocation percentage Incentive allocation percentage Research and development expense Research and Development Expense Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Other Segments and Holding Company [Member] Other Segments and Holding Company [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] Defined Benefit Plan, Fair Value of Plan Assets Defined Benefit Plan, Fair Value of Plan Assets Assets [Abstract] Marketable equity and debt securities Available-for-sale Securities, Fair Value Disclosure Trading securities Trading Securities, Fair Value Disclosure Investments in precious metals Investment in Physical Commodities Derivative contracts, Assets at fair value Derivative Assets Fair value of investment and derivative assets Assets, Fair Value Disclosure Liabilities [Abstract] Liabilities [Abstract] Derivative contracts, Liabilities at fair value Derivative Liabilities Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Foreign exchange contracts Foreign Exchange 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, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Asset Derivatives, Gross Derivative Asset, Fair Value, Gross Asset Liability Derivatives, Gross Derivative Liability, Fair Value, Gross Liability 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 Subsequent Event [Table] Subsequent Event [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Term Loan [Member] Term Loan [Member] Term Loan [Member] Shareholders' Equity Class [Axis] Shareholders' Equity Class [Axis] Fair Value by Shareholders' Equity Class [Domain] Fair Value by Shareholders' Equity Class [Domain] Principal Owners and Affiliates [Member] Principal Owners and Affiliates [Member] Mr. Icahn and certain other entities beneficially owned by Mr. Icahn Dividend Declared [Member] Dividend Declared [Member] Issuance of Equity [Member] Issuance of Equity [Member] Issuance of equity interets in subsidiary [Member] Issuance of equity interets in subsidiary [Member] Issuance of equity interets in subsidiary [Member] Dividend declared by subsidiary [Member] Dividend declared by subsidiary [Member] Dividend declared by subsidiary [Member] Repayment of Debt [Member] Repayment of Debt [Member] CVR Second Lien Notes [Member] CVR Second Lien Notes [Member] 10.875% Second Lien Senior Secured Notes due 2017 [Member] CVR Refining, LP [Member] CVR Refining, LP [Member] CVR Refining, LP [Member] CVR Issuers [Member] CVR Issuers [Member] CRLLC and wholly owned subidiary Coffeyville Finance Inc. [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Distribution made to limited partner depositary unitholders, cash distributions declared, per unit Distribution Made to Member or Limited Partner, Distributions Declared, Per Unit Policy for Distribution to Member or Limited Partner, Annual Distributions Declared, Per Unit Policy for Distribution to Member or Limited Partner, Annual Distributions Declared, Per Unit Policy for Distribution to Member or Limited Partner, Annual 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 Future distribution policy amount, annualized, per unit Future distribution policy amount, annualized, per unit Future distribution policy amount, annualized, per unit Affiliate ownership interest in Icahn Enterprises Stock Issued During Period, Shares, New Issues Stock Issued During Period, Shares, New Issues Equity Issuance, Per Share Amount Equity Issuance, Per Share Amount Proceeds from Issuance or Sale of Equity Proceeds from Issuance or Sale of Equity Underwriter option to purchase additional depositary units Underwriter option to purchase additional depositary units Underwriter option to purchase additional depositary units Subsidiary or Equity Method Investee, Cumulative Number of Shares Issued for All Transactions Subsidiary or Equity Method Investee, Cumulative Number of Shares Issued for All Transactions Noncontrolling Interest, Increase from Equity Issuance or Sale of Parent Equity Interest Noncontrolling Interest, Increase from Equity Issuance or Sale of Parent Equity Interest Repayments of debt Repayments of Long-term Debt Carrying value of debt repaid Carrying value of debt repaid Carrying value of debt repaid Redemption Premium Redemption Premium Interest Paid Interest Paid Future distribution policy amount, quarterly, per unit Future distribution policy amount, quarterly, per unit Future distribution policy amount, quarterly, per unit Distribution declared by subsidiary, per share Distribution declared by subsidiary, per share Distribution declared by subsidiary, per share Proceeds from Dividends Received Proceeds from Dividends Received Draw on term loan, first draw Draw on term loan, first draw Draw on term loan, first draw Debt Instrument, Unused Borrowing Capacity, Amount Debt Instrument, Unused Borrowing Capacity, Amount Other [Abstract] Other [Abstract] 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] MASSACHUSETTS MASSACHUSETTS FLORIDA FLORIDA Major Customers [Axis] Major Customers [Axis] Name of Major Customer [Domain] Name of Major Customer [Domain] Group of Customers, Group One [Member] Group of Customers, Group One [Member] Group of Customers, Group One [Member] Group of Customers, Group two [Member] Group of Customers, Group two [Member] Group of Customers, Group two [Member] WestPoint Home [Member] WestPoint Home [Member] WestPoint Home [Member] Subsidiary's significant customers, percentage of subsidiary's net revenue Subsidiary's significant customers, percentage of subsidiary's net revenue Subsidiary's significant customers, percentage of subsidiary's net revenue Number of distribution centers Number of Distribution Centers Number of Distribution Centers Number of manufacturing facilities Nnumber of Manufacturing Facilities Nnumber of Manufacturing Facilities Percentage of revenues from foreign countries 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 Number of Real Estate Properties Number of Real Estate Properties Number of residential units for future development Number of Units of Residential Housing in Future Development Number of Units of Residential Housing in Future Development Real estate assets pledged to collateralize mortgages Pledged Assets, Other, Not Separately Reported on Statement of Financial Position Operating Leases, Future Minimum Payments Receivable, Current Operating Leases, Future Minimum Payments Receivable, Current Operating Leases, Future Minimum Payments Receivable, in Two Years Operating Leases, Future Minimum Payments Receivable, in Two Years Operating Leases, Future Minimum Payments Receivable, in Three Years Operating Leases, Future Minimum Payments Receivable, in Three Years Operating Leases, Future Minimum Payments Receivable, in Four Years Operating Leases, Future Minimum Payments Receivable, in Four Years Operating Leases, Future Minimum Payments Receivable, in Five Years Operating Leases, Future Minimum Payments Receivable, in Five Years Operating Leases, Future Minimum Payments Receivable, Thereafter Operating Leases, Future Minimum Payments Receivable, Thereafter Operating Leases, Future Minimum Payments Receivable Operating Leases, Future Minimum Payments Receivable difference in book basis and tax basis of net assets not subject to income taxes [Table Text Block] difference in book basis and tax basis of net assets not subject to income taxes [Table Text Block] difference in book basis and tax basis of net assets not subject to income taxes [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns Roll Forward [Table Text Block] Schedule of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns Roll Forward [Table Text Block] 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) Fair Value of Property, Goodwill Impaired During the Period Fair Value of Property, Goodwill Impaired During the Period Fair Value of Property, Goodwill Impaired During the Period Impairment of goodwill Goodwill, Impairment Loss Fair Value of other assets Impaired During the Period Fair Value of other assets Impaired During the Period Fair Value of other assets Impaired During the Period Impairment of other assets Other Asset Impairment Charges 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] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Interest expense Interest Expense [Member] Cost of goods sold Cost of Sales [Member] Other income, net 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) Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Amount of (Loss) Gain Reclassified from AOCI into Income (Effective Portion) Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Amount of Loss Recognized in Income on Derivatives (Ineffective Portion) Derivative Instruments, Loss Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing Schedule of Significant Accounting Policies [Table] Schedule of Significant Accounting Policies [Table] Schedule of Significant Accounting Policies [Table] Environmental Costs, Policy [Policy Text Block] Environmental Costs, Policy [Policy Text Block] 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] Net income 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 Deferred taxes Increase (Decrease) in Deferred Income Taxes Changes in cash held at consolidated affiliated partnerships and restricted cash Increase (Decrease) in Restricted Cash for Operating Activities Accounts receivable, net Increase (Decrease) in Accounts Receivable Inventories, net Increase (Decrease) in Inventories Other assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses and other liabilities Increase (Decrease) in Other Accrued Liabilities Net cash provided by 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 Purchases of investments Payments to Acquire Investments Net cash 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 Distributions to non-controlling interests in subsidiaries Payments to Noncontrolling Interests Proceeds from issuance of senior unsecured notes Proceeds from Issuance of Unsecured Debt Repayments of borrowings Proceeds from (Payments for) Other 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 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 LP unit issuance to purchase noncontrolling iterests in subsidiary LP unit issuance to purchase noncontrolling iterests in subsidiary Investment in precious metals Investments in Precious Metals Investments in precious metals Redemptions payable to non-controlling interests Redemptions Payable to Non-controlling Interests Redemptions payable to non-controlling interests Fair value investment in Tropicana prior to acquisition of controlling interest Fair value of equity investment in Tropicana prior to acquisition of controlling interest Fair value of equity investment in Tropicana prior to acquisition of controlling interest LP unit issuance to purchase majority interests in ARI and Viskase LP unit issuance to purchase majority interests LP unit issuance to purchase majority interests LP unit issuance to settle preferred LP unit redemptions LP Unit issuance for redemption of preferred LP units LP Unit issuance for redemption of preferred LP units Accumulated other comprehensive loss 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] Secured Debt [Member] Secured Debt [Member] Unsecured Debt [Member] Unsecured Debt [Member] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Line of Credit [Member] Line of Credit [Member] Letter of Credit [Member] Letter of Credit [Member] Viskase Notes Indenture [Member] Viskase Notes Indenture [Member] 9.875% Viskase Notes Indenture [Member] Aggregate principal amount issued, long-term debt Line of credit facility Line of Credit Facility, Maximum Borrowing Capacity Percentage spread on debt Debt Instrument, Interest Rate Floor Debt Instrument, Interest Rate Floor Debt Instrument, Interest Rate Floor Revolving credit facility unused line fee Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Line of credit facility, outstanding borowings Line of Credit Facility, Amount Outstanding Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Gaming Segment [Abstract] Gaming Segment [Abstract] Exit Facility [Member] Exit Facility [Member] Exit Facility [Member] LOUISIANA LOUISIANA NEVADA NEVADA INDIANA INDIANA NEW JERSEY NEW JERSEY ARUBA ARUBA MISSISSIPPI MISSISSIPPI Number of casinos Number of Casinos Number of Casinos Owned and Operated Square footage of casino 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 Acquisition of shares of 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 owned of subsidiary 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 paid by a majority owned subsidiary to parent, 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 paid by a majority owned subsidiary to parent, 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 of equity interest of parent in majority owned 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 Loan to Related Entity Owned Percentage of Loan to Related Entity Owned Percentage of Loan to Related Entity Owned Compensation Arrangements Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Draw on term loan, initial draw Draw on term loan, initial draw Draw on term loan Long-term Debt Long-term Debt Fixed coverage ratio Fixed Coverage Ratio Fixed Coverage Ratio Accounting Policies [Abstract] Segment Reporting, Policy [Policy Text Block] Segment Reporting, Policy [Policy Text Block] Property, Plant and Equipment [Abstract] 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] Schedule of Property, Plant and Equipment [Table] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land [Member] Land [Member] Building and Improvements [Member] Building and Building Improvements [Member] Machinery, Equipment, and Furniture [Member] Machinery, Equipment, and Furniture [Member] Machinery, Equipment, and Furniture [Member] Assets Leased to Others [Member] Assets Leased to Others [Member] Construction in Progress [Member] Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant and equipment, useful life (in years) Property, Plant and Equipment, Useful Life Property, plant and equipment, gross Property, Plant and Equipment, Gross Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Depreciation and amortization expense related to property, plant and equipment Depreciation Financial Instruments Financial Instruments Disclosure [Text Block] Income Taxes Income Tax Disclosure [Text Block] Schedule I - Condensed Financial Information of Parent [Abstract] Schedule I - Condensed Financial Information of Parent [Abstract] Schedule of Condensed Financial Information of Parent Company [Table] Schedule of Condensed Financial Information of Parent Company [Table] Schedule of Condensed Financial Information of Parent Company [Table] Financial Statement Schedule, Parent Company Balance Sheet [Table Text Block] Financial Statement Schedule, Parent Company Balance Sheet [Table Text Block] Financial Statement Schedule, Parent Company Balance Sheet [Table Text Block] Financial Statement Schedule, Parent Company Statement of Operations [Table Text Block] Financial Statement Schedule, Parent Company Statement of Operations [Table Text Block] Financial Statement Schedule, Parent Company Statement of Operations [Table Text Block] Financial Statement Schedule, Parent Company Statement of Cash Flows [Table Text Block] Financial Statement Schedule, Parent Company Statement of Cash Flows [Table Text Block] Financial Statement Schedule, Parent Company Statement of Cash Flows [Table Text Block] Financial Statement Schedule, Parent Company Debt Note [Table Text Block] Financial Statement Schedule, Parent Company Debt Note [Table Text Block] Financial Statement Schedule, Parent Company Debt Note [Table Text Block] Variable Rate Option [Axis] Variable Rate Option [Axis] Variable Rate Option [Axis] Variable Rate Option [Domain] Variable Rate Option [Domain] Variable Rate Option [Domain] Base Rate [Member] Base Rate [Member] Base Rate [Member] LIBOR [Member] LIBOR [Member] LIBOR [Member] Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Capital Leases, Future Minimum Payments Due, Next Twelve Months Capital Leases, Future Minimum Payments Due, Next Twelve Months Senior credit facility Senior credit facility, maximum borrowing availability Line of Credit Facility, Current Borrowing Capacity Basis spread on prime rate for calculating base rate Debt Instrument, Basis Spread for Calculating Base Rate Debt Instrument, Basis Spread for Calculating Base Rate Revolving credit facility, unused borrowing availability Line of Credit Facility, Remaining Borrowing Capacity Long-term Debt, Maturities, Repayments of Principal in Year Two Long-term Debt, Maturities, Repayments of Principal in Year Two Capital Leases, Future Minimum Payments Due in Two Years Capital Leases, Future Minimum Payments Due in Two Years Long-term Debt, Maturities, Repayments of Principal in Year Three Long-term Debt, Maturities, Repayments of Principal in Year Three Capital Leases, Future Minimum Payments Due in Three Years Capital Leases, Future Minimum Payments Due in Three Years Long-term Debt, Maturities, Repayments of Principal in Year Four Long-term Debt, Maturities, Repayments of Principal in Year Four Capital Leases, Future Minimum Payments Due in Four Years Capital Leases, Future Minimum Payments Due in Four Years Long-term Debt, Maturities, Repayments of Principal in Year Five Long-term Debt, Maturities, Repayments of Principal in Year Five Capital Leases, Future Minimum Payments Due in Five Years Capital Leases, Future Minimum Payments Due in Five Years Long-term Debt, Maturities, Repayments of Principal after Year Five Long-term Debt, Maturities, Repayments of Principal after Year Five Capital Leases, Future Minimum Payments Due Thereafter Capital Leases, Future Minimum Payments Due Thereafter Future maturiites due on debt Future maturiites due on debt Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates Capital Leases, Future Minimum Payments Due Capital Leases, Future Minimum Payments Due Other Segments and Holding Company [Member] Automotive, Railcar, Food Packaging and Home Fashion Segments [Member] Automotive, Railcar, Food Packaging and Home Fashion Segments [Member] Automotive, Railcar, Food Packaging and Home Fashion Segments [Member] Consolidation, Variable Interest Entity, Policy [Policy Text Block] Consolidation, Variable Interest Entity, Policy [Policy Text Block] Equity Method Investments, Policy [Policy Text Block] Equity Method Investments, Policy [Policy Text Block] Cost Method Investments, Policy [Policy Text Block] Cost Method Investments, Policy [Policy Text Block] Reclassification, Policy [Policy Text Block] Reclassification, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Investment, Policy [Policy Text Block] Investment, Policy [Policy Text Block] Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign Currency Transactions and Translations Policy [Policy Text Block] Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments, Policy [Policy Text Block] Securities sold, not yet purchased [Policy Text Block] Securities sold, not yet purchased [Policy Text Block] Securities sold, not yet purchased [Policy Text Block] Due to and from Broker [Policy Text Block] Due to and from Broker [Policy Text Block] Due to and from Broker [Policy Text Block] Derivatives, Policy [Policy Text Block] Derivatives, Policy [Policy Text Block] Trade and Other Accounts Receivable, Policy [Policy Text Block] Trade and Other Accounts Receivable, Policy [Policy Text Block] Inventory, Policy [Policy Text Block] Inventory, Policy [Policy Text Block] Property, Plant and Equipment, Policy [Policy Text Block] Property, Plant and Equipment, Policy [Policy Text Block] Planned Major Maintenance Activities, Policy [Policy Text Block] Property, Plant and Equipment, Planned Major Maintenance Activities, Policy [Policy Text Block] Goodwill and Intangible Assets, Policy [Policy Text Block] Goodwill and Intangible Assets, Policy [Policy Text Block] Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Asset Retirement Obligations, Policy [Policy Text Block] Asset Retirement Obligations, Policy [Policy Text Block] Pension and Other Postretirement Plans, Policy [Policy Text Block] Pension and Other Postretirement Plans, Policy [Policy Text Block] Allocation of profits and losses in consolidated affiliated partnerships [Policy Text Block] Allocation of profits and losses in consolidated affiliated partnerships [Policy Text Block] Allocation of profits and losses in consolidated affiliated partnerships [Policy Text Block] Partner's capital [Policy Text Block] Partner's capital [Policy Text Block] Partner's capital [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] Common control acquisitions and dispositions [Policy Text Block] Common control acquisitions and dispositions [Policy Text Block] Common control acquisitions and dispositions General partnership policy [Policy Text Block] General partnership policy [Policy Text Block] General partnership policy in the Company Income Tax, Policy [Policy Text Block] Income Tax, Policy [Policy Text Block] Revenue Recognition, Policy [Policy Text Block] Revenue Recognition, Policy [Policy Text Block] Sales and sales related tax [Policy Text Block] Sales and sales related tax [Policy Text Block] Sales and sales related tax [Policy Text Block] Revenue Recognition, Incentives [Policy Text Block] Revenue Recognition, Incentives [Policy Text Block] Engineering and tooling [Policy Text Block] Engineering and tooling [Policy Text Block] Engineering and tooling policy Shipping and Handling Cost, Policy [Policy Text Block] Shipping and Handling Cost, Policy [Policy Text Block] Research and Development Expense, Policy [Policy Text Block] Research and Development Expense, Policy [Policy Text Block] Restructuring [Policy Text Block] Restructuring [Policy Text Block] Restructuring policy 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 Accounting Pronouncements Not yet Adopted [Text Block] Debt Facility [Member] Debt Facility [Member] Debt Facility [Member] Other Income (Loss) [Member] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Swap [Member] Swap [Member] Equity contracts Equity Contract [Member] Fair value of open commodity positions, net liability Derivative Liability, Fair Value, Net 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 Derivative, Amount of Hedged Item 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 Derivative, Average Fixed Interest Rate 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 Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] 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] 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] CRLLC [Member] CRLLC [Member] CRLLC [Member] CRNF [Member] CRNF [Member] CRNF [Member] EuroDollar [Member] EuroDollar [Member] EuroDollar [Member] CVR First Lien Notes [Member] CVR First Lien Notes [Member] 9% First Lien Senior Secured Notes due 2015 [Member] Additional CVR Notes [Member] Additional CVR Notes [Member] Additional CVR Notes [Member] CVR Notes [Member] CVR Notes [Member] CVR Notes [Member] 2022 Notes [Member] 2022 Notes [Member] 2022 Notes [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] Use of portion of debt proceeds Use of portion of debt proceeds Use of portion of debt proceeds Debt Instrument, Unamortized Premium Debt Instrument, Unamortized Premium Line of credit facility, incremental borrowing increase Line of credit facility, incremental borrowing increase Line of credit facility, incremental borrowing increase 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 Schedule of Quarterly Financial Information [Table Text Block] Schedule of Quarterly Financial Information [Table Text Block] 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] Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Railcar and Food Packaging [Member] Railcar and Food Packaging [Member] Railcar and Food Packaging [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] Schedule of fair value of defined benefit plan asset [Table Text Block] Schedule of fair value of defined benefit plan asset [Table Text Block] Schedule of fair value of defined benefit plan asset [Table Text Block] Schedule of Level Three Defined Benefit Plan Assets Roll Forward [Table Text Block] Schedule of Level Three Defined Benefit Plan Assets Roll Forward [Table Text Block] Tranche B Loan [Member] Tranche B Loan [Member] Tranche B Loan [Member] Tranche C Loan [Member] Tranche C Loan [Member] Tranche C Loan [Member] Term of Interest Rate Derivatives Term of Interest Rate Derivatives Term of Interest Rate Derivatives 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 Amount of hedged principal Letters of credit outstanding Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Equity Method Investments [Member] Equity Method Investments [Member] Investee [Axis] Investee [Axis] Investee [Axis] Investee Name [Domain] Investee Name [Domain] Investee Name [Domain] Hain [Member] Hain [Member] Hain [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 of Equity Method Investment Under Fair Value Option Fair Value of Equity Method Investment Under Fair Value Option Fair value option, recorded gains (losses) Fair Value, Option, Changes in Fair Value, Gain (Loss) 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 Number of reportable segments Number of Reportable Segments Net gain from investment activities Income before income tax benefit (expense) Less: net income from continuing operations attributable to non-controlling interests Income (Loss) from Continuing Operations Attributable to Noncontrolling Interest Net income (loss) from continuing operations attributable to Icahn Enterprises Income (Loss) from Continuing Operations Attributable to Parent Supplemental information: Supplemental Income Statement Elements [Abstract] Capital expenditures Segment Reporting Information, Expenditures for Additions to Long-Lived Assets Depreciation and amortization Depreciation, Depletion and Amortization Amortization of Financing Costs and Discounts Amortization of Financing Costs and Discounts Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Deferred Finance Costs, Net Deferred Finance Costs, Net Commitments and contingencies (Note 3) Uncertainty in Income Taxes [Abstract] Uncertainty in Income Taxes [Abstract] Unrecognized tax benefits balance Unrecognized Tax Benefits Addition based on tax positions related to the current year Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions Acquisition of CVR Unrecognized Tax Benefits, Increases Resulting from Acquisition Increase for tax positions of prior years Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions Decrease for tax positions of prior years Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions Decrease for statute of limitation expiration Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations Settlements Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities Unrecognized Tax Benefits, Decreases Resulting from Foreign Currency Translation Unrecognized Tax Benefits, Decreases Resulting from Foreign Currency Translation Unrecognized tax benefits that if recognized, would affect the effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Possibility that unrecognized tax benefits may drecrease in the next year Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Liabilities recognized for tax related net interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Income tax expense relate dto interest and penalties related to unrecognized tax benefits Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Energy Segment [Abstract] Energy Segment [Abstract] Property location [Axis] Property location [Axis] Property location [Axis] Location [Domain] Location [Domain] CVR Partners, LP [Member] CVR Partners, LP [Member] CVR Partners, LP [Member] Cushing, Oklahoma [Member] Cushing, Oklahoma [Member] Cushing, Oklahoma [Member] Coffeyville, Kansas [Member] Coffeyville, Kansas [Member] Coffeyville, Kansas [Member] Wynnewood, Oklahoma [Member] Wynnewood, Oklahoma [Member] Wynnewood, Oklahoma [Member] Petroleum [Member] Crude Oil [Member] Crude Oil Gathering [Member] Crude Oil Gathering [Member] Crude Oil Gathering [Member] 486110 Pipeline Transportation of Crude Oil [Member] 486110 Pipeline Transportation of Crude Oil [Member] Production, Barrels of Oil 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 Production, Barrels of Oil, Storage Capacity 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 Production, Tons of Ammonia Per Day Production, Tons of Ammonia Per Day Production, Tons of Ammonia Per Day Production, Tons of Urea and Ammonium Nitrate Per Day Production, Tons of Urea and Ammonium Nitrate Per Day Production, Tons of Urea and Ammonium Nitrate Per Day Production, Cubic Feet of Hydrogen Per Day Production, Cubic Feet of Hydrogen Per Day Production, Cubic Feet of Hydrogen Per Day Production, Tons of Ammonia Production, Tons of Ammonia Production, Tons of Ammonia Production, Ammonia Upgraded into UAN, Percentage Production, Ammonia Upgraded into UAN, Percentage Production, Ammonia Upgraded into UAN, Percentage Production, Tons of UAN Production, Tons of UAN Production, Tons of UAN 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. Planned major maintenance frequency (in years) Plant Expansion Program, Term, Years Plant Expansion Program, Term, Years Net Periodic Benefit Cost [Abstract] Net Periodic Benefit Cost [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Pension Benefits Pension Plans, Defined Benefit [Member] Net Periodic Benefit Cost [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Amortization of actuarial losses Defined Benefit Plan, Amortization of Gains (Losses) Amortization of prior service credit Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Settlement gain Curtailment gain Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost 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] PSC Metals [Member] PSC Metals [Member] PSC Metals [Member] WPH [Member] WPH [Member] WPH [Member] Icahn Enterprises G.P. [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] ACF [Member] ACF [Member] ACF [Member] Starfire Holding Corporation [Member] Starfire Holding Corporation [Member] Starfire Holding Corporation [Member] ARI Joint Venture [Member] ARI Joint Venture [Member] ARI Joint Venture [Member] Environmental Remediation Site [Axis] Environmental Remediation Site [Axis] Site domain [Domain] Site domain [Domain] Site domain [Domain] Cleveland OH Scrap Processing Facility [Member] Cleveland OH Scrap Processing Facility [Member] Cleveland OH Scrap Processing 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 Funding commitment, percentage of loan Funding Commitment, Percentage of Loan Funding Commitment, Percentage of Loan Accrued environmental liabilities Accrual for Environmental Loss Contingencies 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 Compensatory damages sought Loss Contingency, Damages Sought, Value Outstanding balance of loans due from ARI Joint Venture to ARI Due from Related Parties Average increase in annual property tax expense Average Increase in Annual Property Tax Expense Average Increase in Annual Property Tax Expense Negotiated settlement to resolve Port Refinery environmental matter Gain (Loss) Related to Litigation Settlement 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 Loss Contingency, Damages Paid, Value Affiliate ownership in parent company general partner Affiliate ownership in parent company general partner Affiliate ownership in parent company general partner 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 Future minimum lease payments under operating leases, 2013 Operating Leases, Future Minimum Payments Due, Next Twelve Months Future minimum lease payments under operating leases, 2014 Operating Leases, Future Minimum Payments, Due in Two Years Future minimum lease payments under operating leases, 2015 Operating Leases, Future Minimum Payments, Due in Three Years Future minimum lease payments under operating leases, 2016 Operating Leases, Future Minimum Payments, Due in Four Years Future minimum lease payments under operating leases, 2017 Operating Leases, Future Minimum Payments, Due in Five Years Future minimum lease payments under operating leases, Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total future minimum lease payments under operating leases Operating Leases, Future Minimum Payments Due Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related Party Transactions Related Party Transactions Disclosure [Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Line Items] Business Acquisition [Line Items] Revenues 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 Statement of Partners' Capital [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Held in Treasury Treasury Stock [Member] Parent [Member] Parent [Member] Non-controlling Interests Noncontrolling Interest [Member] Increase (Decrease) in Partners' Capital [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] Equity Treasury units Other comprehensive loss Cancellation of treasury units Treasury Stock, Retired, Cost Method, Amount Cancellation of treasury units Treasury Stock, Shares, Retired Partnership distributions Partners' Capital Account, Distributions Tropicana acquisition NoncontrollingInterestIncreaseFromBusinessCombinationtwo NoncontrollingInterestIncreaseFromBusinessCombinationtwo Partnership contributions Partners' Capital Account, Contributions Investment segment distributions Investment Management Distributions Distribution to non-controlling investors in the Private Funds. Investment segment contributions Investment Management Contributions Contributions from non-controlling investors in the Private Funds. Acquisition of CVR Noncontrolling Interest, Increase from Business Combination ARI and Viskase acquisitions Partners' Capital Account, Acquisitions Changes in subsidiary equity and other Change in Subsidiary Equity and Other Change in subsidiary equity and other Equity Treasury units 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] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] 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] Earnings Per LP Unit [Line Items] Earnings Per LP Unit [Line Items] Earnings Per LP Unit [Line Items] Net income attributable to parent, allocated to general partner before traditional parntership allocation net income from continuing operations attributable to parent, allocated to general partner before traditional parntership allocation net income from continuing operations attributable to parent, allocated to general partner before traditional parntership allocation Net income attributable to parent, subject to allocation amongst partners net income from continuing operations attributable to parent, subject to allocation amongst partners net income from continuing operations attributable to parent, subject to allocation amongst partners Income attributable to Icahn Enterprises allocable to limited partners (98.01% allocation) Net income from continuing operations attributable to Icahn Enterprises allocable to limited partners Net income from continuing operations attributable to Icahn Enterprises allocable to limited partners Net income from discontinued operations attributable to Icahn Enterprises allocable to limited partners Net income from discontinued operations attributable to Icahn Enterprises allocable to limited partners Net income from discontinued operations attributable to Icahn Enterprises allocable to limited partners Basic income (loss) per LP unit, continuing operations Basic income (loss) per LP unit, discontinued operations Dilutive securities, effect on earnings per unit from converison of debt securities Dilutive securities, effect on earnings per unit from converison of debt securities Dilutive securities, effect on earnings per unit from converison of debt securities Dilutive effect of variable rate convertible notes, Units Incremental Common Shares Attributable to Conversion of Debt Securities Dilutive effect of variable rate convertible notes, Income Dilutive securities, effect on earnings per unit from converison of perferred units Dilutive securities, effect on earnings per unit from converison of perferred units Dilutive effect of preferred stock conversion, Units Incremental Common Shares Attributable to Conversion of Preferred Stock Diluted income (loss) per LP unit, continuing operations Diluted income (loss) per LP unit, discontinued operations Antidilutive securities excluded from computation of earnings per unit 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 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 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 Impact of Unit Distributions on Restatement of Earnings Per Share, Diluted Impact of Unit Distributions on Restatement of Earnings Per Share, Diluted Impact of Unit Distributions on Restatement of Earnings Per Share, Diluted 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) Organization, Consolidation and Presentation of Financial Statements [Abstract] Managing Member or General Partner [Axis] Managing Member or General Partner [Axis] Percentage of equity ownership in operating subsidiary General partner ownership interest in Icahn Enterprises Holdings 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 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 Goodwill and Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Icahn Capital [Member] Icahn Capital [Member] Icahn Capital [Member] IEP Energy [Member] IEP Energy [Member] IEP Energy [Member] ARI and AEP Leasing [Member] ARI and AEP Leasing [Member] ARI and AEP Leasing [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] Railcar lease expense [Member] Railcar lease expense [Member] Railcar lease expense [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] Railcar Managment Fees [Member] Railcar Managment Fees [Member] Railcar Managment Fees [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 Fees [Member] Professional Fees [Member] Expenses charged by related party Related Party Transaction, Amounts of Transaction 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 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 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 Related Party Transaction, Expenses from Transactions with Related Party Related Party Transaction, Expenses from Transactions with Related Party Accounts receivable due from related parties Accounts Receivable, Related Parties Debt Debt Disclosure [Text Block] Net Income Per LP Unit Earnings Per Share [Text Block] 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 Transfer in Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignExchangeMovements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignExchangeMovements Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Foreign Exchange Movements Realized/unrealized gains (losses), net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGain Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Net Realized And Unrealized Gains Losses Purchases and settlements, net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, Sales, Issues, Settlements Gross proceeds Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Balance at December 31 Benefit Obligations and Plan Assets [Abstract] Benefit Obligations and Plan Assets [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plan, Benefit Obligation Defined Benefit Plan, Benefit Obligation Employee contributions Defined Benefit Plan, Contributions by Plan Participants Benefits paid Defined Benefit Plan, Benefits Paid Medicare subsidies received Defined Benefit Plan, Gross Prescription Drug Subsidy Receipts Received Plan amendments Defined benefit plan, effect of plan amendments on change in benefit obligation Defined benefit plan, effect of plan amendments on change in benefit obligation Curtailments Defined Benefit Plan, Curtailments Settlements Defined Benefit Plan, Settlements, Benefit Obligation Contractual termination benefit Defined Benefit Plan, Cost of Providing Special or Contractual Termination Benefits Recognized During Period Actuarial losses and changes in actuarial assumptions Defined Benefit Plan, Actuarial Gain (Loss) Net transfers (out) in Defined Benefit Plan, Assets Transferred to (from) Plan Currency translation Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss) Actual return on plan assets Defined Benefit Plan, Actual Return on Plan Assets Company contributions Defined Benefit Plan, Contributions by Employer Expenses Defined Benefit Plan, Administration Expenses Defined benefit plans, change in benefit obligation Defined benefit plans, change in benefit obligation Defined benefit plans, change in benefit obligation Currency translation Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets Funded status of the plan Net liability recognized Defined Benefit Plan, Amounts Recognized in Balance Sheet Actuarial losses included in Accumulated other comprehensive income Actuarial losses included in Accumulated other comprehensive income Actuarial losses included in AOCI, before tax Prior service cost (credit) Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax Significant Accounting Policies [Text Block] Significant Accounting Policies [Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Gross carrying amount Goodwill, Gross Acquisitions Goodwill, Acquired During Period Foreign exchange Goodwill, Translation Adjustments Accumulated impairment Goodwill, Impaired, Accumulated Impairment Loss Impairment of goodwill Net carrying value Civil penalty [Member] Civil penalty [Member] Civil penalty [Member] Oversight cost reimbursement [Member] Oversight cost reimbursement [Member] Oversight cost reimbursement [Member] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Profession fees, case 2 [Member] Profession fees, case 2 [Member] Profession fees, case 2 [Member] Wynnewood Consent Order [Member] Wynnewood Consent Order [Member] Wynnewood Consent Order [Member] 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] NEW MEXICO NEW MEXICO OKLAHOMA and KANSAS [Member] OKLAHOMA and KANSAS [Member] OKLAHOMA and KANSAS [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] Lease expense Operating Leases, Rent Expense Lawsuits Filed Against Company Lawsuits Filed Against Company Lawsuits Filed Against Company Number of claimants / plaintiffs Loss Contingency, Number of Plaintiffs Subsequent Event, Amount Subsequent Event, Amount 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 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 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 Environmental expenditures capitalized Environmental Costs Recognized, Capitalized in Period Loss Contingency, Estimate of Possible Loss Loss Contingency, Estimate of Possible Loss Acquisition Business Combination Disclosure [Text Block] Credit contracts Credit Risk Contract [Member] Futures index spread 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 Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Term loan facility, issue discount percentage Debt Instrument, Issue Discount Percentage Debt Instrument, Issue Discount Percentage Letter of credit facility, maximum aggregate amount Letter of Credit Facility, Maximum Borrowing Capacity Letter of Credit Facility, Maximum Borrowing Capacity Term loan facility, quarterly required principal payments, percentage of original principal amount Debt Instrument, Periodic Payment, Percentage of Original Principal Amount Debt Instrument, Periodic Payment, Percentage of Original Principal Amount Term loan facility, basis spread for calculating alternate base rate Term loan facility, variable interest rate Debt Instrument, Interest Rate at Period End Debt Instrument, Interest Rate at Period End Amount of Exit Facility repaid by proceeds of New Term Loan Facility Extinguishment of Debt, Amount Amount of Exit Facility eliminated through consolidation Debt Instrument, Amount Eliminated Through Consolidation Debt Instrument, Amount Eliminated Through Consolidation Prepayment penalty Debt Extinguishment Costs Debt Extinguishment Costs Write-off of unamortized debt issuance costs and discounts Write off of Deferred Debt Issuance Cost Potential increase in New Term Loan Facility Debt Instrument, Potential Increase in Face Amount if Covenants Met Debt Instrument, Potential Increase in Face Amount if Covenants Met Letters of credit, cash collateral requirement, percentage of face amount Letters of Credit, Cash Collateral Requirement, Percentage of Face Amount Letters of Credit, Cash Collateral Requirement, Percentage of Face Amount Prepayment penalty premium, New Term Loan Facility covenant, percent Debt Instrument, Covenant, Prepayment Penalty, Percent Debt Instrument, Covenant, Prepayment Penalty, Percent First lien net leverage ratio First Lien Ratio of indebtedness to Net Capital First Lien Ratio of indebtedness to Net Capital Total net leverage ratio Ratio of Indebtedness to Net Capital Percentage of prior Term Loan Facility held by Investment Funds Debt Instrument, Ownership Percentage Held by Affiliate Debt Instrument, Ownership Percentage Held by Affiliate Percentage of Revolving Facility required to be funded by Investment Funds Line 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 Trailing Months Used to Calculate Leverage Ratios Trailing Months Used to Calculate Leverage Ratios Trailing Months Used to Calculate Leverage Ratios Effective Income Tax Rate Reconcilation [Abstract] Effective Income Tax Rate Reconcilation [Abstract] Federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Foreign Operations Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential Valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance Gain on settlement of liabilities subject to compromise Effective income tax rate reconciliation, gain on liabilities subject to compromise The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to liabilities subject to compromise. Income not subject to taxation Effective Income Tax Rate Reconciliation, Tax Exempt Income Other Effective Income Tax Rate Reconciliation, Other Adjustments Effective Income Tax Rate, Continuing Operations Effective Income Tax Rate, Continuing Operations Condensed Financial Information of Parent Company Only Disclosure [Text Block] Condensed Financial Information of Parent Company Only Disclosure [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] Inventories, Net [Abstract] Inventories, Net [Abstract] Schedule of Inventories [Table] Schedule of Inventories [Table] Schedule of Inventories [Table] Schedule of Inventories [Line Items] Schedule of Inventories [Line Items] [Line Items] for Schedule of Inventories [Table] 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 Inventories, net Description of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Schedule of Net Periodic Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of Assumptions Used [Table Text Block] Schedule of Assumptions Used [Table Text Block] Schedule of projected benefit obligation in excess of plan assets [Table Text Block] Schedule of projected benefit obligation in excess of plan assets [Table Text Block] Schedule of projected benefit obligation in excess of plan assets Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block] Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block] Schedule of Health Care Cost Trend Rates [Table Text Block] Schedule of Health Care Cost Trend Rates [Table Text Block] Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block] Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block] Schedule of change in assumptions for benefit obligation [Table Text Block] Schedule of change in assumptions for benefit obligation [Table Text Block] Schedule of change in assumptions for benefit obligation [Table Text Block] Schedule of Expected Benefit Payments [Table Text Block] Schedule of Expected Benefit Payments [Table Text Block] Investments and Related Matters Investments and Other Noncurrent Assets [Text Block] Business Combinations Policy Business Combinations Policy [Policy Text Block] 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] 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] Sovereign debt [Member] Sovereign Debt [Member] Utilities [Member] Utilities [Member] Utilities [Member] Investments [Abstract] Investments [Abstract] Securities sold, not yet purchased, at fair value: [Abstract] Financial Instruments Sold, Not yet Purchased, at Fair Value [Abstract] Fair value of investment and derivative liabilities Liabilities, Fair Value Disclosure IEP Parties equity interest in CVR prior to acquisition of controlling interest(1) Preliminary purchase price allocation: Business Acquisition, Purchase Price Allocation [Abstract] Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Intangible assets 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 Goodwill Total purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income (Loss) [Text Block] Accumulated Other Comprehensive Income (Loss) [Text Block] Quarterly Financial Information [Text Block] Quarterly Financial Information [Text Block] Investment Segment [Abstract] Investment Segment [Abstract] Operating Units [Table] OPerating Units [Table] OPerating Units [Table] Special Profits 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 our intrest in Funds of subsidiary 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. 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] Derivative Asset, Fair Value, Net Derivative Asset, Fair Value, Net Derivative Liability, Fair Value, Net Asset Derivatives, Total Liability Derivatives, Total Investment Issuer [Axis] Investment Issuer [Axis] Investment Issuer [Domain] Investment Issuer [Domain] 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 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 Transaction fees, CVR acquisition 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, eqiuty interest in acquiree, price per share used to determine fair value (in ones) business combination, step acquisition, eqiuty interest in acquiree, price per share used to determine fair value business combination, step acquisition, eqiuty interest in acquiree, price per share used to determine fair value Step acquisition remeasurement loss, CVR acuisition Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Loss EBITDA multiple used to calculate fair value of non-controlling interest in CVR Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple Pro forma adjustment to eliminate equity earnings in consolidated subsidiary, CVR acquisition Business Acquisition, Pro Forma Information, Description Debt facilities [Member] Secured credit facilities [Member] Other Debt Obligations [Member] Other Debt Obligations [Member] Investment and Related Matter [Table] Investment and Related Matter [Table] Investment and Related Matter [Table] Investment and Related Matters [Line Items] Investment and Related Matters [Line Items] Investment and Related Matters [Line Items] Investment Investment [Table Text Block] Schedule Of Earnings Per LP Unit Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases and Unrecorded Unconditional Purchase Obligations Disclosure Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Other (Loss) Income, Net Other Income and Other Expense Disclosure [Text Block] Compensation [Abstract] Compensation [Abstract] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] 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]