Property, Plant and Equipment, Net [Abstract] Property, Plant and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Accumulated Other Comprehensive Income (Loss) [Abstract] Accumulated Other Comprehensive Income (Loss) [Abstract] AOCI, Post-employment benefts, net of tax Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax AOCI, Hedge instruments, net of tax Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax AOCI, 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, net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax OCI, Post-employment benefts before reclassificaitons, net of tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax OCI, Hedge instruments before reclassificaitons, net of tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax OCI, Translation adjustments and other before reclassificaitons, net of tax Other comprehensive income, translation adjustments and other, before reclassificaitons, net of tax Other comprehensive income, translation adjustments and other, before reclassificaitons, net of tax Other comprehensive income, before reclassifications to income Other comprehensive income, before reclassifications to income Other comprehensive income, before reclassifications to income OCI, Post-employment benefts reclassificaitons to income, net of tax Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax OCI, Hedge instruments reclassificaitons to income, net of tax Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net OCI, Translation adjustments and other reclassificaitons to income, net of tax Reclassificaion of translation adjustments and other in AOCI into earnings, net of tax Reclassificaion of translation adjustments and other in AOCI into earnings, net of tax Other comprehensive income, portion representing reclassificaitons to earnings Other comprehensive income, portion representing reclassificaitons to earnings Other comprehensive income, portion representing reclassificaitons to earnings OCI, Post-employment benefts, net of tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax OCI, Hedge instruments, net of tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax OCI, Translation adjustments and other, net of tax 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 Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Financial Instruments [Abstract] Financial Instruments [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Not Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Primary underlying risk: Derivative Contract Type [Domain] Equity contracts Equity Contract [Member] Foreign exchange contracts Foreign Exchange Contract [Member] Commodity contracts Commodity Contract [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other assets [Member] Other Assets [Member] Accrued expenses and other liabilities [Member] Accrued Expenses and Other Liabilities [Member] Accrued Expenses and Other Liabilities [Member] Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] Derivatives Not Designated as Hedging Instruments, Fair Value [Line Items] 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 Derivative Assets Derivative contracts at fair value (liability) Derivative Liabilities Cash collateral posted for derivative positions Collateral Already Posted, Aggregate Fair Value Consolidated Statements of Cash Flows [Abstract] Consolidated Statements of Cash Flows [Abstract] Statement [Table] Statement [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Icahn Enterprises Holdings [Member] Icahn Enterprises Holdings [Member] Icahn Enterprises Holdings [Member] Statement [Line Items] Statement [Line Items] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net income to net cash (used in) provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Net gain from securities transactions Gain (Loss) on Investments Purchases of securities Payments to Acquire Marketable Securities Proceeds from sales of securities Proceeds from Sale and Maturity of Marketable Securities Purchases to cover securities sold, not yet purchased Purchases to Cover Securities Sold Not Yet Purchased Purchases to cover securities sold not yet purchased Proceeds from securities sold, not yet purchased Investment Sold, Not yet Purchased, Sale Proceeds Changes in receivables and payables relating to securities transactions Increase (Decrease) in Broker-Dealer Related Receivables (Payables), Net Loss on sale of discontinued operations Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Depreciation and amortization Depreciation and amortization, including non-cash interest expense The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets as well as the non-cash portion of interest expense as a result of amortizing debt discount, premiums and financing costs. Deferred taxes Increase (Decrease) in Deferred Income Taxes Other, net Other Operating Activities, Cash Flow Statement Changes in cash held at consolidated affiliated partnerships and restricted cash Increase (Decrease) in Restricted Cash for Operating Activities Changes in other operating assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Payments to Acquire Productive Assets Net payments associated with business dispositions Net payments associated with business dispositions Net payments associated with business dispositions Acquisitions of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Proceeds from sale of investments Proceeds from Sale of Other Investments Purchases of investments Payments to Acquire Investments Other, net Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from equity offerings Proceeds from Partnership Contribution Partnership distributions Distribution Made to Member or Limited Partner, Cash Distributions Paid Proceeds from offering of subsidiary equity Proceeds from Issuance or Sale of Equity Distributions to non-controlling interests in subsidiaries Payments to Noncontrolling Interests Proceeds from issuance of senior unsecured notes Proceeds from Issuance of Unsecured Debt Proceeds from other borrowings Proceeds from Other Debt Repayments of borrowings Repayments of Debt and Capital Lease Obligations Change in restricted cash relating to variable rate note discharge Proceeds from (Repayments of) Restricted Cash, Financing Activities Other, net Proceeds from (Payments for) Other Financing Activities Net cash (used in) provided by 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 (decrease) increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents, beginning of period Cash and Cash Equivalents, at Carrying Value 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 Distribution payable to LP unitholders Distrubtion payable to LP unit holders Distrubtion payable to LP unit holders Net unrealized gain on available-for-sale securities Unrealized Gain (Loss) on Securities Redemptions payable to non-controlling interests Redemptions Payable to Non-controlling Interests Redemptions payable to non-controlling interests Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Business Segments [Axis] Business Segments [Axis] Segment [Domain] Segment [Domain] Energy Segment [Member] Energy Segment [Member] Energy Segment [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] 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. Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of changes in accumulated other comprehensive income [Table Text Block] Schedule of changes in accumulated other comprehensive income [Table Text Block] Income Tax Disclosure [Abstract] Income Tax Contingency [Table] Income Tax Contingency [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Income tax expense (benefit) Income Tax Expense (Benefit) Income before income tax expense (benefit) Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Effective income tax rate Effective Income Tax Rate, Continuing Operations Federal stautory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Gaming Segment [Abstract] Gaming Segment [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Tropicana [Member] Tropicana [Member] Tropicana [Member] Location of operations, State or country [Axis] Location of operations, State or country [Axis] Location of operations, State or country [Axis] State or country of operations [Domain] State or country of operations [Domain] State or country of operations [Domain] LOUISIANA LOUISIANA NEVADA NEVADA INDIANA INDIANA NEW JERSEY NEW JERSEY ARUBA ARUBA MISSISSIPPI MISSISSIPPI Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] 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 Percentage of equity ownership in subsidiary Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Real Estate Segment [Member] Real Estate Segment [Member] Real Estate Segment [Member] Mortgages [Member] Mortgages [Member] Interest rate, long-term debt Debt Instrument, Interest Rate, Stated Percentage Other (Loss) Income, Net [Abstract] Other (Loss) Income, Net [Abstract] Schedule of Other Nonoperating Income (Expense) Other Income (Loss), Net [Table Text Block] Table for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. [Table Text Block] Designated as Hedging Instrument [Member] Designated as Hedging Instrument [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging [Member] Cash Flow Hedging [Member] Interest rate swap contracts Interest Rate Swap [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Asset Derivatives, Total Derivative contracts at fair value (liability) Investments and Related Matters [Abstract] Investments and Related Matters [Abstract] Investments and Related Matters Investments and Other Noncurrent Assets [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Description of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Inventories, Net [Abstract] Inventories, Net [Abstract] Schedule of Inventory, Current [Table Text Block] Schedule of Inventory, Current [Table Text Block] Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [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] Principal Owners and Affiliates [Member] Principal Owners and Affiliates [Member] Mr. Icahn and certain other entities beneficially owned by Mr. Icahn Icahn Capital [Member] Icahn Capital [Member] Icahn Capital [Member] 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. ARI [Member] ARI [Member] ARI [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] ARL [Member] ARL [Member] ARL [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 Services [Member] Railcar Services [Member] Railcar Repair and Maintenance Services [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related party investment in Funds Related party investment in Funds Related party investment in Funds Expenses charged by related party Related Party Transaction, Amounts of Transaction 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 Term of railcar management agreement (in years) Related Party Transaction, Management Agreement Term Related Party Transaction, Management Agreement Term Revenue from related party Related Party Transaction, Other Revenues from Transactions with Related Party Accounts receivable due from related parties Accounts Receivable, Related Parties 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 Statement of Other Comprehensive Income [Abstract] Accumulated other comprehensive loss Commitments and Contingencies Disclosure [Abstract] Schedule of Significant Accounting Policies [Table] Schedule of Significant Accounting Policies [Table] Schedule of Significant Accounting Policies [Table] Schedule of Significant Accounting Policies [Line Items] Schedule of Significant Accounting Policies [Line Items] Schedule of Significant Accounting Policies [Line Items] Environmental Costs, Policy [Policy Text Block] Environmental Costs, Policy [Policy Text Block] Statement of Financial Position [Abstract] 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 Income Taxes Income Tax Disclosure [Text Block] Other (Loss) Income, Net Other Income and Other Expense Disclosure [Text Block] Derivative [Table] Derivative [Table] Equity swaps Equity Swap [Member] Foreign currency forwards Foreign Exchange Forward [Member] Derivative [Line Items] Derivative [Line Items] 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 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] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Letter of Credit [Member] Letter of Credit [Member] Home Fashion Segment [Member] Home Fashion Segment [Member] Home Fashion Segment [Member] Secured Debt [Member] Secured Debt [Member] Term Loan Facility Debt Instrument, Face Amount Senior credit facility Line of Credit Facility, Maximum Borrowing Capacity Senior credit facility, maximum borrowing availability Line of Credit Facility, Current Borrowing Capacity Percentage spread on debt Debt Instrument, Basis Spread on Variable Rate 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 Revolving credit facility, unused borrowing availability Line of Credit Facility, Remaining Borrowing Capacity Inventory Disclosure [Text Block] Inventory Disclosure [Text Block] Investment Segment [Member] Investment Segment [Member] investment Segment [Member] 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 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] 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, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Total fair value [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets [Abstract] Assets [Abstract] Marketable equity and debt securities Available-for-sale Securities, Fair Value Disclosure Trading securities Trading Securities, Fair Value Disclosure Derivative contracts, at fair value (asset) Fair value of investment and derivative assets Assets, Fair Value Disclosure Liabilities [Abstract] Liabilities [Abstract] Other liabilities Other Liabilities, Fair Value Disclosure Fair value of derivative and other liabilities Liabilities, Fair Value Disclosure Goodwill and Intangible Assets [Table] Goodwill and Intangible Assets [Table] Goodwill and Intangible Assets [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] BERU [Member] BERU [Member] BERU [Member] Automotive Segment [Member] Automotive Segment [Member] Automotive Segment [Member] Goodwill and Intangible Assets [Line Items] Goodwill and Intangible Assets [Line Items] Goodwill and Intangible Assets [Line Items] Amortization expense associated with definite-lived intangible assets Amortization of Intangible Assets Increase to goodwill due to purchase accounting adjustment Goodwill, Purchase Accounting Adjustments Decrease to definite-lived intangible assets due to purchase accounting adjustments Finite-Lived Intangible Assets, Purchase Accounting Adjustments Segment Reporting [Abstract] MASSACHUSETTS MASSACHUSETTS FLORIDA FLORIDA Viskase [Member] Viskase [Member] Viskase [Member] Nnumber of Manufacturing Facilities Nnumber of Manufacturing Facilities Nnumber of Manufacturing Facilities Number of Distribution Centers Number of Distribution Centers Number of Distribution Centers 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 Disclosure on Geographic Areas, Revenue from External Customers Attributed to Foreign Countries, Percentage Number of Real Estate commercial rental properties Number of Real Estate Properties Number of units of residential housing in future development Number of Units of Residential Housing in Future Development Number of Units of Residential Housing in Future Development Pledged assets Pledged Assets, Other, Not Separately Reported on Statement of Financial Position 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 Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Compensation and Retirement Disclosure [Abstract] Pensions,Other Post-employment Benefits and Employee Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Energy Segment [Abstract] Energy Segment [Abstract] Property location [Axis] Property location [Axis] Property location [Axis] Location [Domain] Location [Domain] Coffeyville, Kansas [Member] Coffeyville, Kansas [Member] Coffeyville, Kansas [Member] Wynnewood, Oklahoma [Member] Wynnewood, Oklahoma [Member] Wynnewood, Oklahoma [Member] Cushing, Oklahoma [Member] Cushing, Oklahoma [Member] Cushing, Oklahoma [Member] Oil and Gas Production Type [Axis] Oil and Gas Production Type [Axis] Production Type [Domain] Production Type [Domain] Petroleum [Member] Crude Oil [Member] Crude oil gathering [Member] Crude Oil Gathering [Member] Crude Oil Gathering [Member] Pipeline transportation of crude oil [Member] 486110 Pipeline Transportation of Crude Oil [Member] Nitrogen Fertilizer [Member] 325311 Nitrogenous Fertilizer Manufacturing [Member] CVR Refining, LP [Member] CVR Refining, LP [Member] CVR Refining, LP [Member] CVR Partners, LP [Member] CVR Partners, LP [Member] CVR Partners, LP [Member] CVR Energy, Inc. [Member] CVR Energy, Inc. [Member] CVR Energy, Inc. [Member] Proceeds from issuance of subsidiary equity Noncontrolling Interest, Increase from Equity Issuance or Sale of Parent Equity Interest Purchase of addtional subsidiary equity by parent company Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent Consolidated subsidiarie's limited partner ownership in its subsidiary Consolidated subsidiarie's ownership in its subsidiary Consolidated subsidiarie's ownership in its subsidiary Consolidated subsidiarie's general partner ownership in its subsidiary Consolidated subsidiarie's general partner ownership in its subsidiary Consolidated subsidiarie's general partner ownership in its subsidiary Barrels per day Production, Barrels of Oil Per Day Production, Barrels of Oil Per Day Crude oil pipeline owned and leased (in miles) Crude Oil Pipeline, Length, Miles Crude Oil Pipeline, Length, Miles Capacity of crude oil storage tanks (in barrels) Production, Barrels of Oil, Storage Capacity Production, Barrels of Oil, Storage Capacity Capacity of leased crude oil storage tanks ( in barrels) Production, Barrels of Oil, Leased Storage Capacity Production, Barrels of Oil, Leased Storage Capacity Ton-per-day ammonia unit facility Production, Tons of Ammonia Per Day Production, Tons of Ammonia Per Day Ton-per-day of Urea and Ammonium Nitrate unit facility Production, Tons of Urea and Ammonium Nitrate Per Day Production, Tons of Urea and Ammonium Nitrate Per Day Cubic feet of hydrogen per day gasifiation complex Production, Cubic Feet of Hydrogen Per Day Production, Cubic Feet of Hydrogen Per Day Financial Instruments Financial Instruments Disclosure [Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Foreign currency contracts 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] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Segment Reporting Segment Reporting Disclosure [Text Block] 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 Goodwill [Table] Schedule of Goodwill [Table] Railcar Segment [Member] Railcar Segment [Member] Railcar Segment [Member] Food Packaging Segment [Member] Food Packaging Segment [Member] Food Packaging Segment [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill, Gross Carrying Amount Goodwill, Gross Goodwill, Accumulated Impairment Goodwill, Impaired, Accumulated Impairment Loss Goodwill, Net Carrying Value Goodwill Debt Facility [Member] Debt Facility [Member] Debt Facility [Member] Term Loan [Member] Term Loan [Member] Term Loan [Member] Other income (loss), net [Member] Other Income (Loss) Not Specified [Member] Other Income (Loss) not otherwise specified in the disclosure [Member] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Swap [Member] Swap [Member] Derivative contract at fair value (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 Notional value of interest rate swap agreements Notional Amount of Interest Rate Cash Flow Hedge Derivatives 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 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 Inventory, net Inventory, Net Use of proceed type [Axis] Use of proceed type [Axis] Use of proceed type [Axis] Use of proceed type [Domain] Use of proceed type [Domain] [Domain] for Use of proceed type [Axis] Repayment of Debt [Member] Repayment of Debt [Member] Payment of accrued interest [Member] Payment of accrued interest [Member] Payment of accrued interest [Member] Payment of premium [Member] Payment of premium [Member] Payment of premium [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Issuance of Debt [Member] Issuance of Debt [Member] CVR Issuers [Member] CVR Issuers [Member] CRLLC and wholly owned subidiary Coffeyville Finance Inc. [Member] CRLLC [Member] CRLLC [Member] CRLLC [Member] CRNF [Member] CRNF [Member] CRNF [Member] EuroDollar [Member] EuroDollar [Member] EuroDollar [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 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] CVR First Lien Notes [Member] CVR First Lien Notes [Member] 9% First Lien Senior Secured Notes due 2015 [Member] CVR Second Lien Notes [Member] CVR Second Lien Notes [Member] 10.875% Second Lien Senior Secured Notes due 2017 [Member] Additional CVR Notes [Member] Additional CVR Notes [Member] Additional CVR Notes [Member] CVR Notes [Member] CVR Notes [Member] CVR Notes [Member] 2022 Notes [Member] 2022 Notes [Member] 2022 Notes [Member] ABL Credit Facility [Member] ABL Credit Facility [Member] ABL Credit Facility [Member] Senior unsecured notes [Member] Senior Debt Obligations [Member] Gain on extinguishment of debt Gains (Losses) on Extinguishment of Debt Use of portion of debt proceeds Use of portion of debt proceeds Use of portion of debt proceeds Gross proceeds from sale of senior unsecured notes Proceeds from Issuance of Senior Long-term Debt Debt Instrument, Unamortized Premium Debt Instrument, Unamortized Premium Redemption of debt instrument, premium written off Redemption of debt instrument, premium written off Redemption of debt instrument, premium written off Redemption percentage of principal amount Debt Instrument, Repurchase Percentage of Principal Amount Debt Instrument, Repurchase Percentage of Principal Amount, excluding accrued and unpaid interest Line of credit facility 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 Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] 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] Shareholders' Equity Class [Axis] Shareholders' Equity Class [Axis] Fair Value by Shareholders' Equity Class [Domain] Fair Value by Shareholders' Equity Class [Domain] Limited partners Limited Partner [Member] Dividend Declared [Member] Dividend Declared [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] United States Welfare Benefit Plan [Member] United States Welfare Benefit Plan [Member] United States Welfare Benefit Plan [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Distribution declared per depositary unit Common Stock, Dividends, Per Share, Declared OPEB curtailment gain Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments Investment in funds Investment in funds Investment in funds Partner Type [Axis] Partner Type [Axis] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] General partner General Partner [Member] Net income Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Post-employment benefits Hedge instruments Translation adjustments and other 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] Loss Contingencies [Table] Loss Contingencies [Table] CRRM [Member] CRRM [Member] CRRM [Member] PSC Metals [Member] PSC Metals [Member] PSC Metals [Member] WPH [Member] WPH [Member] WPH [Member] Federal-Mogul [Member] Federal-Mogul [Member] Federal-Mogul [Member] Icahn Enterprises G.P. [Member] Icahn Enterprises G.P. [Member] Icahn Enterprises G.P. [Member] Gaming Segment [Member] Gaming Segment [Member] Gaming Segment [Member] Metals Segment [Member] Metals Segment [Member] Metals Segment [Member] ACF [Member] ACF [Member] ACF [Member] Starfire Holding Corporation [Member] Starfire Holding Corporation [Member] Starfire Holding Corporation [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] Loss Contingencies [Line Items] Loss Contingencies [Line Items] 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 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 Affiliate ownership interest Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest Defined Benefit Plan, Funded Status of Plan Defined Benefit Plan, Funded Status of Plan Ownership Percentage by Mr. Icahn Ownership Percentage by Principal Owner Ownership percentage by principal owner in related party Subsidiary Indemnity Agreement, Pension Funding Contingencies As A Result of Being In The Controlled Group, Distribution Limitation, Net Worth Floor Subsidiary Indemnity Agreement, Pension Funding Contingencies As A Result of Being In The Controlled Group, Distribution Limitation, Net Worth Floor Subsidiary Indemnity Agreement, Pension Funding Contingencies As A Result of Being In The Controlled Group, Distribution Limitation, Net Worth Floor Senior unsecured notes [Member] Debt facilities [Member] Secured credit facilities [Member] Mortgages payable [Member] Other Debt Obligations [Member] Other Debt Obligations [Member] 8% senior unsecured notes due 2018 - Icahn Enterprises/Icahn Enterprises Holdings 2018 Notes [Member] Initial Issuance of 8% Senior Unsecured Notes Due 2018 [Member] 7.75% senior unsecured notes due 2016 - Icahn Enterprises/Icahn Enterprises Holdings 2016 Notes [Member] Initial Issuance of the 7.75% Senior Unsecured Notes Due 2016 [Member] Senior unsecured variable rate convertible notes due 2013 - Icahn Enterprises/Icahn Enterprises Holdings Variable Rate Senior Unsecured Convertible Notes [Member] Variable Rate Senior Unsecured Convertible Notes [Member] Debt Debt and Capital Lease Obligations Debt Debt Disclosure [Text Block] Line of Credit [Member] Line of Credit [Member] 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 Debt Instrument, Periodic Payment, Percentage of Original Principal Amount Debt Instrument, Periodic Payment, Percentage of Original Principal Amount Debt Instrument, Periodic Payment, Percentage of Original Principal Amount Debt Instrument, Interest Rate at Period End Debt Instrument, Interest Rate at Period End 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 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 Trailing Months Used to Calculate Leverage Ratios Trailing Months Used to Calculate Leverage Ratios Trailing Months Used to Calculate Leverage Ratios Property, Plant and Equipment [Abstract] Schedule of Property, Plant and Equipment, Net Property, Plant and Equipment [Table Text Block] 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 (loss) on extinguishment of debt Loss on Debt Extinguishment [Member] Loss on Debt Extinguishment [Member] Aggregate principal amount issued, long-term debt Draw on term loan, initial draw Draw on term loan, initial draw Draw on term loan Long-term Debt Long-term Debt Debt Instrument, Basis Spread on Variable Rate Repayments of debt Repayments of Long-term Debt Debt Instrument, Unused Borrowing Capacity, Amount Debt Instrument, Unused Borrowing Capacity, Amount Component of Other Income (Loss), Net [Table] Component of Other Income (Loss), Ne [Table] Component of Other Income (Loss), Net [Table] Loss on sale of discontinued operations Loss on discontinued operations [Member] Loss on discontinued operations [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 on disposition of assets Gain (Loss) on Disposition of Assets [Member] Equity earnings from non-consolidated affiliates Income (Loss) from Equity Method Investments [Member] Foreign currency translation gain (loss) Foreign Currency Gain (Loss) [Member] Other 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 Other Nonoperating Income (Expense) Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Holding Company [Member] Holding Company [Member] Holding Company [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of investments measured at fair value with Level 3 Input Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] 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] Icahn Enterprises G.P. [Member] Earnings Per LP Unit [Line Items] Earnings Per LP Unit [Line Items] Earnings Per LP Unit [Line Items] Net income attributable to Icahn Enterprises Net Income (Loss) Attributable to Parent Net income attributable to Icahn Enterprises allocable to limited partners (98.01% allocation) Net Income (Loss) Allocated to Limited Partners Basic income per LP unit Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic Basic weighted average LP units outstanding Weighted Average Limited Partnership Units Outstanding, Basic Dilutive effect of variable rate convertible notes (income) 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 unit distribution declared (income) Dilutive securities, effect on earnings per unit from distribution of depositary units Dilutive securities, effect on earnings per unit from distribution of depositary units Dilutive effect of unit distribution declared (units) Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of unit distribution. Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of unit distribution. Diluted income per LP unit Net Income (Loss), Per Outstanding Limited Partnership Unit, Diluted Diluted weighted average LP units outstanding Weighted Average Limited Partnership Units Outstanding, Diluted Amount of antidilutive securities excluded from computation of earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Units issues in connection with equity offering (ones) Stock Issued During Period, Shares, New Issues Equity offering per share amount (ones) Equity Issuance, Per Share Amount Proceeds from equity offering Underwriter option to purchase additional depositary units Underwriter option to purchase additional depositary units Underwriter option to purchase additional depositary units Units distributed as part of quartelry distribution Distribution Made to Member or Limited Partner, Share Distribution Affiliate ownership interest in Icahn Enterprises Distribution payable Dividends Payable 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 Average fixed interest rate of variable rate term loans through swap agreements Amount of hedged principal Letters of credit outstanding Amount deposited in term letter of credit account under credit facility Amount deposited in term letter of credit account under credit facility Amount deposited in term letter of credit account under credit facility Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income (Loss) [Text Block] Accumulated Other Comprehensive Income (Loss) [Text Block] Investment and Related Matter [Table] Investment and Related Matter [Table] Investment and Related Matter [Table] Other Segments [Member] Other Segments [Member] Other Segments [Member] Investment and Related Matters [Line Items] Investment and Related Matters [Line Items] Investment and Related Matters [Line Items] Investment Investment [Table Text Block] ASSETS Cash and cash equivalents Cash held at consolidated affiliated partnerships and restricted cash Restricted Cash and Cash Equivalents Investments Investments Accounts receivable, net Accounts Receivable, Net Due from brokers Due from Correspondent Brokers Inventories, net Property, plant and equipment, net Property, Plant and Equipment, Net Goodwill Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Other assets Other Assets Total Assets Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Accounts payable Accounts Payable Accrued expenses and other liabilities Accrued Liabilities Deferred tax liability Deferred Tax Liabilities, Net 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 Total liabilities Liabilities Commitments and contingencies (Note 17) Commitments and Contingencies Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Limited partners: Depositary units: 108,025,417 and 104,850,813 units issued and outstanding at March 31, 2013 and December 31, 2012, respectively Limited Partners' Capital Account General partner General Partners' Capital Account 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 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] 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] Customer relationships Customer Relationships [Member] Developed technology Developed Technology Rights [Member] In-place leases Leases, Acquired-in-Place [Member] Gasification technology license Gasification Technology [Member] Gasification Technology [Member] Other Unclassified Indefinite-lived Intangible Assets [Member] 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 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] Definite-lived intangible assets, Gross Carrying Amount Finite-Lived Intangible Assets, Gross Definite-lived intangible assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Definite-lived intangible assets, Net Carrying Value Finite-Lived Intangible Assets, Net Indefinite-lived intangible assets: [Abstract] Indefinite-Lived Intangible Assets, Gross and Net [Abstract] Indefinite-Lived Intangible Assets, Gross and Net [Abstract] Indefinite-lived intangible assets, Net Carrying Value Indefinite-Lived Intangible Assets (Excluding Goodwill) Intangible assets, net Schedule of Condensed Financial Statements [Table] Schedule of Condensed Financial Statements [Table] Number of reportable segments Number of Reportable Segments 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 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 tax (expense) benefit Less: net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest 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 included in interest expense Amortization of Financing Costs and Discounts Net gain (loss) 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 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 Related Party Transactions Related Party Transactions Disclosure [Text Block] Automotive Segment [Abstract] Automotive Segment [Abstract] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee costs [Member] Employee Severance [Member] Facility costs [Member] Facility Closing [Member] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Restructuring 2012 [Member] Restructuring 2012 [Member] Restructuring 2012 Restructuring 2013 [Member] Restructuring 2013 [Member] [Member] Restructuring 2013 [Member] 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, total expected cost of plan Restructuring and Related Cost, Expected Cost Holding Company [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Goodwill and intangible assets, net Intangible Assets, Net (Including Goodwill) Other assets Other Assets and Due from Correspondent Brokers Other Assets and Due from Correspondent Brokers Total assets Accounts payable, accrued expenses and other liabilities Accounts Payable and Accrued Liabilities Total assets Equity attributable to Icahn Enterprises Total equity Total liabilities and equity 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 Land [Member] Buildings and improvements Building and Building Improvements [Member] Machinery, equipment and furniture Machinery, Equipment, and Furniture [Member] Machinery, Equipment, and Furniture [Member] Assets leased to others Assets Leased to Others [Member] Construction in progress 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 Subsequent Events Subsequent Events [Text Block] Reporting unit [Axis] Reporting unit [Axis] Reporting unit [Axis] VCS [Member] VCS [Member] VCS [Member] 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] Maximum length of time hedged in interest rate cash flow hedge Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge Remaining portion of notional amount of interest rate cash flow hedge instruments Remaining portion of notional amount of interest rate cash flow hedge instruments Remaining portion of notional amount of interest rate cash flow hedge instruments Accumulated other comprehensive income loss interest rate hedges. Accumulated other comprehensive income loss interest rate hedges. Accumulated other comprehensive income loss interest rate hedges. 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, 2014 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, 2015 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 Notional value of price hedge contracts Notional Amount of Price Risk Cash Flow Hedge Derivatives Maturity of price risk cash flow hedge derivatives (in years) Maximum Length of Time Hedged in Price Risk Cash Flow Hedge Unrealized net gains (losses) on price hedge contracts Accumulated other comprehensive income loss commodity price hedges. Accumulated other comprehensive income loss commodity price hedges. Notional value of foreign currency hedge contracts Notional Amount of Foreign Currency Cash Flow Hedge Derivatives Unrealized net gains on foreign currency hedge contracts Accumulated other comprehensive income loss foreign currency hedges. Accumulated other comprehensive income loss foreign currency hedges. Derivative instruments, Gain recognized in income Derivative Instruments, Gain 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 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] Date Range [Axis] Date Range [Axis] Date Range [Axis] Date Range [Domain] Date Range [Domain] Date Range [Domain] 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] Unsecured Debt [Member] Unsecured Debt [Member] Viskase Notes Indenture [Member] Viskase Notes Indenture [Member] 9.875% Viskase Notes Indenture [Member] 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 Debt Instrument, Interest Rate Floor Debt Instrument, Interest Rate Floor Debt Instrument, Interest Rate Floor Schedule of Notional Amounts of Outstanding Derivative Positions Schedule of Notional Amounts of Outstanding Derivative Positions [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 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] Investment Segment [Abstract] Investment Segment [Abstract] Operating Units [Table] OPerating Units [Table] OPerating Units [Table] Fair value of our interest 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. Income Statement [Abstract] Net gain from investment activities Other (loss) income, net Total Revenues Total Expenses Income before income tax (expense) benefit Net income Net income attributable to Icahn Enterprises 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 General partner Net Income (Loss) Allocated to General Partners Basic income per LP unit Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic [Abstract] Diluted income per LP unit Earnings Per Share, Diluted [Abstract] Cash distributions declared per LP unit Distributions Per Limited Partnership Unit Outstanding, Basic Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Schedule of Net Periodic Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Schedule of Investments [Table] Schedule of Investments [Table] Schedule of Investments [Line Items] Schedule of Investments [Line Items] Equity method investments Equity Method Investments Other investments Other Investments Investments Accounting Policies [Abstract] Reclassification, Policy [Policy Text Block] Reclassification, Policy [Policy Text Block] Consolidation, Variable Interest Entity, Policy [Policy Text Block] Consolidation, Variable Interest Entity, Policy [Policy Text Block] Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments, 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] 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] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Equity securities: Equity Securities [Member] Corporate debt: Corporate Debt Securities [Member] Mortgage-backed securities: Collateralized Mortgage Backed Securities [Member] Investment Sector [Axis] Investment Sector [Axis] Investment Sector [Domain] Investment Sector [Domain] Basic materials Basic Materials [Member] Basic Materials [Member] Communications Communications [Member] Communications [Member] Consumer, non-cyclical Consumer, non-cyclical [Member] Consumer, non-cyclical [Member] Consumer, cyclical Consumer, cyclical [Member] Consumer, cyclical [Member] Diversified Diversified [Member] Diversified [Member] Energy Energy sector [Member] Energy sector [Member] Financial Financial [Member] Financial [Member] Funds Funds [Member] Funds [Member] Technology Technology [Member] Technology [Member] Sovereign debt Sovereign Debt [Member] Utilities Utilities [Member] Utilities [Member] Investments [Abstract] Investments [Abstract] Securities sold, not yet purchased, at fair value: Financial Instruments Sold, Not yet Purchased, at Fair Value [Abstract] Fair value of derivative and other liabilities 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 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 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] 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 interest rate Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate 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 Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Investment Type [Axis] Investment Type [Axis] Investment Type Categorization [Domain] Investment Type Categorization [Domain] Equity Method Investments [Member] Equity Method Investments [Member] Investee [Axis] Investee [Axis] Investee [Axis] Investee Name [Domain] Investee Name [Domain] Investee Name [Domain] Hain [Member] Hain [Member] Hain [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 Schedule Of Earnings Per LP Unit Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Managing Member or General Partner [Axis] Managing Member or General Partner [Axis] 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 Percentage of equity ownership in operating subsidiary General partner ownership percentage in Icahn Enterprises Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest General partner ownership interest in 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 Aggregate general partner ownership interest of parent and operating subsidiary Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Aggregate Ownership interest of Parent and Holding Company Subsidiaries Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Aggregate Ownership interest of Parent and Holding Company Subsidiaries Affiliate ownership interest in Icahn Enterprises (in units) Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest, Units Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest, Units Fair value of long-term debt Long-term Debt, Fair Value Statement of Partners' Capital [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] 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 Other comprehensive loss Partnership distributions Partners' Capital Account, Distributions Proceeds from equity offering Partners' Capital Account, Contributions Dividends paid to non-controlling interests in subsidiaries Noncontrolling Interest, Decrease from 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Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member] Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member] Environmental Issue [Axis] Environmental Issue [Axis] Environmental Issue [Axis] Environmental Issue [Domain] Environmental Issue [Domain] Environmental Issue [Domain] Air Emissions Reduction and Water Conservation [Member] Air Emissions Reduction and Water Conservatio [Member] Air Emissions Reduction and Water Conservation [Member] Litigation Claimant [Axis] Litigation Claimant [Axis] Litigation Claimant [Axis] Litigation Claimant [Domain] Litigation Claimant [Domain] Litigation Claimant [Domain] U.S. Coast Guard / EPA [Member] U.S. Coast Guard / EPA [Member] U.S. Coast Guard / EPA [Member] Litigation Case [Axis] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case Type [Domain] Crude Oil, Indirect Supplier [Member] Crude Oil, Indirect Supplier [Member] Crude Oil, Indirect Supplier [Member] Crude Oil Discharge [Member] Crude Oil Discharge [Member] Crude Oil Discharge [Member] EPA, Second Consent Decree, Clean Air Act [Member] EPA, Second Consent Decree, Clean Air Act [Member] EPA, Second Consent Decree, Clean Air Act [Member] ODEQ [Member] ODEQ [Member] ODEQ [Member] Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Segment, Geographical [Domain] OKLAHOMA and KANSAS [Member] OKLAHOMA and KANSAS [Member] OKLAHOMA and KANSAS [Member] Kansas KANSAS 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] 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] Operating Leases, Rent Expense Operating Leases, Rent Expense Lawsuits Filed Against Company Lawsuits Filed Against Company Lawsuits Filed Against Company Gain (Loss) Related to Litigation Settlement Number of claimants / plaintiffs Loss Contingency, Number of Plaintiffs Subsequent Event, Amount Subsequent Event, Amount 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 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 Purchase Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Gross realized and unrealized gains (losses) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Gross proceeds Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Balance at March 31