Statement of Financial Position [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] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] ASSETS Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value 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 Inventory, Net Property, plant and equipment, net Property, Plant and Equipment, Net Goodwill 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 Financial Instruments Sold, Not yet Purchased, at Fair Value Due to brokers Due to Correspondent Brokers Post-employment benefit liability Postemployment Benefits Liability Debt Debt and Capital Lease Obligations Total liabilities Liabilities Commitments and contingencies (Note 19) Commitments and Contingencies Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Limited partners: Depositary units: 115,900,309 and 104,850,813 units issued and outstanding at December 31, 2013 and 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 Financial Instruments [Abstract] Financial Instruments [Abstract] Derivative [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 [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Equity contracts Equity Contract [Member] Foreign exchange contracts Foreign Exchange Contract [Member] Credit contracts Credit Risk Contract [Member] Futures index spread Futures Index Spread [Member] Futures Index Spread [Member] Commodity contracts Commodity Contract [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Net Gain from Investment Activities [Member] Net Gain from Investment Activities [Member] Net Gain from Investment Activities [Member] Derivative [Line Items] Gain (Loss) Recognized in Income Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Variable Rate Option [Axis] Variable Rate Option [Axis] Variable Rate Option [Axis] Variable Rate Option [Domain] Variable Rate Option [Domain] Variable Rate Option [Domain] 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] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Home Fashion Segment [Member] Home Fashion Segment [Member] Home Fashion Segment [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Secured Debt [Member] Secured Debt [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] 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 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 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 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 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 Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Statement of Partners' Capital [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] General partner General Partner [Member] Limited partners Limited Partner [Member] Held in Treasury Treasury Stock [Member] Total Partners' Equity 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 Treasury Stock, Shares Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Acquisition of New ARL Change in equity due to combination of entity under common control Change in equity due to combination of entity under common control Cancellation of treasury units Treasury Stock, Retired, Cost Method, Amount Cancellation of treasury units Treasury Stock, Shares, Retired Partnership contributions Partners' Capital Account, Contributions Partnership distributions Partners' Capital Account, Distributions Investment segment distributions Investment Management Distributions Distribution to non-controlling investors in the Private Funds. Investment segment contributions Investment Management Contributions Contributions from non-controlling investors in the Private Funds. Distributions paid to non-controlling interests in subsidiary Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Proceeds from subsidiary equity offerings Proceeds from Noncontrolling Interests Proceeds from subsidiary equity offerings Noncontrolling Interest, Increase from Business Combination Changes in subsidiary equity and other Change in Subsidiary Equity and Other Change in subsidiary equity and other Equity Held in Treasury 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] Loss on extinguishment of debt Loss on Debt Extinguishment [Member] Loss on Debt Extinguishment [Member] Term Loan [Member] Term Loan [Member] Term Loan [Member] Gaming Segment [Member] Gaming Segment [Member] Gaming Segment [Member] Line of Credit [Member] Line of Credit [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Exit Facility [Member] Exit Facility [Member] Exit Facility [Member] Debt discount rate at time of issuance Debt discount rate at time of issuance Debt discount rate at time of issuance 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 Use of portion of debt proceeds Use of portion of debt proceeds Use of portion of debt proceeds Other income (loss), net Other Nonoperating Income (Expense) Amortization of Financing Costs and Discounts Amortization of Financing Costs and Discounts 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 Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate 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 Loss on extinguishment of debt Gains (Losses) on Extinguishment of Debt Required debt payment if Lumiere acquisition is terminated Required debt payment if Lumiere acquisition is terminated Required debt payment if Lumiere acquisition is terminated Prepayment penalty Debt Extinguishment Costs Debt Extinguishment Costs Write-off of unamortized debt issuance costs and discounts Write off of Deferred Debt Issuance Cost 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 Interest rate, long-term debt Debt Instrument, Interest Rate, Stated 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 Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Lumiere [Member] Lumiere [Member] Lumiere [Member] American Entertainment Properties Corp. [Member] American Entertainment Properties Corp. [Member] American Entertainment Properties Corp. [Member] ARL [Member] ARL [Member] ARL [Member] New ARL [Member] [Member] New ARL [Member] [Member] New ARL [Member] [Member] Railcar Segment [Member] Railcar Segment [Member] Railcar Segment [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Amount paid for management contract between related parties Amount paid for management contract between related parties Amount paid for management contract between related parties Cash contribution to newly capitalized entity Cash contribution to newly capitalized entity Cash contribution to newly capitalized entity Note receivable contribution to newly capitalized entity Note receivable contribution to newly capitalized entity Note receivable contribution to newly capitalized entity Payments to Acquire Interest in Joint Venture Payments to Acquire Interest in Joint Venture Future planned contribution to newly capitalized entity, percentage Future planned contribution to newly capitalized entity, percentage Future planned contribution to newly capitalized entity, percentage Percentage of equity ownership in subsidiary Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest Future debt expected to be incurred by new capitalized entity Future debt expected to be incurred by new capitalized entity Future debt expected to be incurred by new capitalized entity Future cash expected to be distributed by newly capitalized entity Future cash expected to be distributed by newly capitalized entity Future cash expected to be distributed by newly capitalized entity Business combination, commitment to purchase Business combination, commitment to purchase Business combination, commitment to purchase Energy Segment [Abstract] Energy Segment [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Geographical [Domain] OKLAHOMA and KANSAS [Member] OKLAHOMA and KANSAS [Member] OKLAHOMA and KANSAS [Member] 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] 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] 486110 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 Energy, Inc. [Member] CVR Energy, Inc. [Member] CVR Energy, Inc. [Member] Energy Segment [Member] Energy Segment [Member] Energy Segment [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Noncontrolling Interest, Increase from Subsidiary Equity Issuance Noncontrolling Interest, Increase from Subsidiary Equity Issuance Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent Production, Barrels of Oil Per Day Production, Barrels of Oil Per Day Production, Barrels of Oil Per Day Refinging capacity as a percentage of total regional refining capacity Refinging capacity as a percentage of total regional refining capacity Refinging capacity as a percentage of total regional refining capacity Acres of land Acres of land Acres of land 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, Barrels of Oil, Combined Refinery Related Storage Capacity Production, Barrels of Oil, Combined Refinery Related Storage Capacity Production, Barrels of Oil, Combined Refinery Related 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 Expected future cost of planned maintenance Planned major maintenance expense Planned major maintenance expense Financial Instruments Financial Instruments Disclosure [Text Block] Property, Plant and Equipment [Abstract] Schedule of Property, Plant and Equipment [Table] 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 Segment Reporting [Abstract] Schedule of Condensed Income Statement by Segment Condensed Income Statement [Table Text Block] Schedule of Condensed Financial Statements by Segment 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] Consolidated Statements of Cash Flows [Abstract] Consolidated Statements of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Net gain from securities transactions Gain (Loss) on Investments Purchases of securities Payments to Acquire Marketable Securities Proceeds from sales of securities Proceeds from Sale and Maturity of Marketable Securities Purchases to cover securities sold, not yet purchased Purchases to Cover Securities Sold Not Yet Purchased Purchases to cover securities sold not yet purchased Proceeds from securities sold, not yet purchased Investment Sold, Not yet Purchased, Sale Proceeds Changes in receivables and payables relating to securities transactions Increase (Decrease) in Broker-Dealer Related Receivables (Payables), Net Depreciation and amortization Depreciation and amortization, including non-cash interest expense The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets as well as the non-cash portion of interest expense as a result of amortizing debt discount, premiums and financing costs. Impairment Asset Impairment Charges 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 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 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 [Contribution to New ARL] Acquisitions of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Proceeds from sale of investments Proceeds from Sale of Other Investments Purchases of investments Payments to Acquire Investments Other, net Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Investment segment distributions Capital Distributions To Non Controlling Interests Cash distributions paid to non-controlling investors in the Private Funds Investment segment contributions Capital Contributions by Non-controlling Interests Cash contributions by non-controlling investors in the Private Funds Partnership contributions Proceeds from Partnership Contribution Partnership distributions Distribution Made to Limited Partner, Cash Distributions Paid Proceeds from offering of subsidiary 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 Repayments of borrowings Proceeds from (Payments for) Other Financing Activities Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net change in cash of assets held for sale Net Change in Cash of Assets Held for Sale Net Change in Cash of Assets Held for Sale Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Supplemental information: Supplemental Cash Flow Information [Abstract] Cash payments for interest, net of amounts capitalized Interest Paid, Net Net cash payments for income taxes Income Taxes Paid, Net Net unrealized (loss) gain on available-for-sale securities Unrealized Gain (Loss) on Securities Distribution payable to Icahn Enterprises unitholders Distrubtion payable to LP unit holders Distrubtion payable to LP unit holders Non-cash investment segment contribution Non-cash investment segment contribution Non-cash investment segment contribution 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 Net Income Per LP Unit [Abstract] Net Income Per LP Unit [Abstract] Net Income Per LP Unit Earnings Per Share [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Debt Facility [Member] Debt Facility [Member] Debt Facility [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging [Member] Cash Flow Hedging [Member] Other Income (Loss) [Member] Other Income (Loss) Not Specified [Member] Other Income (Loss) not otherwise specified in the disclosure [Member] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Swap [Member] Swap [Member] Interest rate swap contracts Interest Rate Swap [Member] Designated as Hedging Instrument [Member] Designated as Hedging Instrument [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] Fair value of open commodity positions, net liability Derivative Liability, Fair Value, Amount Not Offset Against Collateral 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 Derivative, Notional Amount Derivative, Notional Amount 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, Gain (Loss) on Derivative, Net Goodwill and Intangible Assets Disclosure [Abstract] 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] 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] United States UNITED STATES Geographic information, Germany [Member] GERMANY Geographic information, Other [Member] Segment, geographic, Other [Member] Segment, geographic, Other [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Net sales Sales Revenue, Goods, Net Other revenues from operations Other Revenue, Net Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Holding Company [Member] Eliminations [Member] Consolidation, Eliminations [Member] Investment Segment [Member] Investment Segment [Member] Investment Segment [Member] Automotive Segment [Member] Automotive Segment [Member] Automotive Segment [Member] Food Packaging Segment [Member] Food Packaging Segment [Member] Food Packaging Segment [Member] Metals Segment [Member] Metals Segment [Member] Metals Segment [Member] Real Estate Segment [Member] Real Estate Segment [Member] Real Estate Segment [Member] Holding Company [Member] Holding Company [Member] 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 liabilities Equity attributable to Icahn Enterprises Total equity Total Liabilities and Equity 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] 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] Loss Contingencies [Table] Loss Contingencies [Table] Environmental Remediation Site [Axis] Environmental Remediation Site [Axis] Environmental Remediation Site [Domain] Environmental Remediation Site [Domain] Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member] Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member] Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] 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] Professional Fees [Member] Professional services [Member] Professional services [Member] 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] 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 [Domain] CWA violations [Member] CWA violations [Member] CWA violations [Member] 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] Oklahoma OKLAHOMA NEW MEXICO NEW MEXICO Kansas KANSAS CRRM [Member] CRRM [Member] CRRM [Member] CRNF [Member] CRNF [Member] CRNF [Member] CRRM and CRT [Member] CRRM and CRT [Member] CRRM and CRT [Member] WRC [Member] WRC [Member] WRC [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Dismissed Without Prejudice [Member] Dismissed Without Prejudice [Member] Dismissed Without Prejudice [Member] Pending Litigation [Member] Pending Litigation [Member] Settled [Member] Settled [Member] Settled [Member] Pending Litigation and Settled, Aggregate [Member] Pending Litigation and Settled, Aggregate [Member] Pending Litigation and Settled, Aggregate [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Lease expense Operating Leases, Rent Expense Lawsuits Filed Against Company Lawsuits Filed Against Company Lawsuits Filed Against Company Average increase in annual property tax expense Average Increase in Annual Property Tax Expense Average Increase in Annual Property Tax Expense Negotiated settlement to resolve Port Refinery environmental matter Gain (Loss) Related to Litigation Settlement Number of claimants / plaintiffs Loss Contingency, Number of Plaintiffs Compensatory damages sought Loss Contingency, Damages Sought, Value Accrual for Environmental Loss Contingencies, Payments Accrual for Environmental Loss Contingencies, Payments Insurance proceeds under primary environmental liability insurance policy Proceeds from Insurance Settlement, Operating Activities Accrued environmental liabilities Accrual for Environmental Loss Contingencies Estimated closure and post-closure costs included in accred environmental liabilities Environmental Exit Costs, Costs Accrued to Date Capital expenditures to comply with environmental rules Environmental Compliance Costs, Anticipated Cost Environmental Compliance Costs, Anticipated Cost 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 Civil penalty paid Loss Contingency, Damages Paid, Value Environmental expenditures capitalized Environmental Costs Recognized, Capitalized in Period Loss Contingency, Estimate of Possible Loss Loss Contingency, Estimate of Possible Loss Renewable fuel percentage standard Renewable fuel percentage standard Annual renewable fuel percentage standard set by EPA Cost of RINs Cost of RINs Expenses incurred to purchase additional rewnewable identification numbers Biofuel blending obligation Biofuel blending obligation Biofuel blending obligation Investment Segment [Abstract] Investment Segment [Abstract] Operating Units [Table] OPerating Units [Table] OPerating Units [Table] 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. 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 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. Changes in Accumulated Other Comprehensive Loss [Abstract] Changes in Accumulated Other Comprehensive Loss [Abstract] Schedule of changes in accumulated other comprehensive income [Table Text Block] Schedule of changes in accumulated other comprehensive income [Table Text Block] Schedule of changes in accumulated other comprehensive income [Table Text Block] Schedule of Property, Plant and Equipment, Net Property, Plant and Equipment [Table Text Block] 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 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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 Security Investments [Member] Non-U.S. Plans Foreign Pension Plan, Defined Benefit [Member] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Instruments Classified in Shareholders' Equity Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Instruments Classified in Shareholders' Equity Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Gross realized and unrealized losses Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Unrealized losses included in earnings related to Level 3 investments Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) 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 Cleveland OH Scrap Processing Facility [Member] Cleveland OH Scrap Processing Facility [Member] Cleveland OH Scrap Processing Facility [Member] Tropicana [Member] Tropicana [Member] Tropicana [Member] PSC Metals [Member] PSC Metals [Member] PSC Metals [Member] WPH [Member] WPH [Member] WPH [Member] Icahn Enterprises G.P. [Member] Icahn Enterprises G.P. [Member] Icahn Enterprises G.P. [Member] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Petroleum Transportation [Member] Petroleum Transportation [Member] Petroleum Transportation [Member] ACF [Member] ACF [Member] ACF [Member] Starfire Holding Corporation [Member] Starfire Holding Corporation [Member] Starfire Holding Corporation [Member] Members or Partners [Axis] Members or Partners [Axis] Members or Partners, including managing members or members or general partners or limited partners [Axis] Partner Name [Domain] Partner Name [Domain] Partner Name [Domain] Principal Owners and Affiliates [Member] Principal Owners and Affiliates [Member] Mr. Icahn and certain other entities beneficially owned by Mr. Icahn 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 Number of scrap processing facilities requiring refrigerant extraction services Number of Scrap Processing Facilities Requiring Refrigerant Extraction Services Number of Scrap Processing Facilities Requiring Refrigerant Extraction Services Number of years refrigerant extraction services must be offered at scrap processing facilities Number of Years Refrigerant Extraction Services Must be Offered at Scrap Processing Facilities Number of Years Refrigerant Extraction Services Must be Offered at Scrap Processing Facilities Costs associated with required injunctive relief, low estimate Environmental Compliance Costs, Anticipated Cost, Low Estimate Environmental Compliance Costs, Anticipated Cost, Low Estimate Costs associated with required injunctive relief, high estimate Environmental Compliance Costs, Anticipated Cost, High Estimate Environmental Compliance Costs, Anticipated Cost, High Estimate Civil penalty assessed and paid Affiliate ownership in parent company general partner Affiliate ownership in parent company general partner Affiliate ownership in parent company general partner Affiliate ownership interest 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 Future minimum lease payments under operating leases, 2014 Operating Leases, Future Minimum Payments Due, Next Twelve Months Future minimum lease payments under operating leases, 2015 Operating Leases, Future Minimum Payments, Due in Two Years Future minimum lease payments under operating leases, 2016 Operating Leases, Future Minimum Payments, Due in Three Years Future minimum lease payments under operating leases, 2017 Operating Leases, Future Minimum Payments, Due in Four Years Future minimum lease payments under operating leases, 2018 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 Tax refund as result of Trop AC tax appeal settlement Tax refund as result of Trop AC tax appeal settlement Tax refund as result of Trop AC tax appeal settlement Real Estate tax assessment of Trop AC Real Estate tax assessment of Trop AC Real Estate tax assessment of Trop AC Tax to be paid as result of Trop AC tax appeal settlement Tax to be paid as result of Trop AC tax appeal settlement Tax to be paid as result of Trop AC tax appeal settlement Real estate tax credits used Real estate tax credits used Real estate tax credits used Professional Fees Professional Fees Schedule Of Earnings Per LP Unit [Table] Schedule Of Earnings Per LP Unit [Table] Schedule Of Earnings Per LP Unit [Table] Shareholders' Equity Class [Axis] Shareholders' Equity Class [Axis] Fair Value by Shareholders' Equity Class [Domain] Fair Value by Shareholders' Equity Class [Domain] Dividend Declared [Member] Dividend Declared [Member] Icahn Enterprises G.P. [Member] Principal Owners and Affiliates [Member] Capital Units by Class [Axis] Capital Units by Class [Axis] Capital Unit, Class [Domain] Capital Unit, Class [Domain] Common Stock [Member] Common Stock [Member] Depositary Units [Member] Depositary Units [Member] Depositary Units [Member] Earnings Per LP Unit [Line Items] Earnings Per LP Unit [Line Items] Earnings Per LP Unit [Line Items] Net income (loss) attributable to Icahn Enterprises Income (Loss) from Continuing Operations Attributable to Parent 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 Icahn Enterprises, 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 Limited partners Net Income (Loss) Allocated to Limited 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 Basic income per LP unit Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax Basic weighted average LP units outstanding Weighted Average Number of Shares Outstanding, Basic 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 Dilutive Effect of Conversion of Debt Securities Diluted income per LP unit Net Income (Loss), Net of Tax, Per Outstanding Limited Partnership Unit, Diluted Diluted weighted average LP units outstanding Weighted Average Number of Shares Outstanding, Diluted Antidilutive securities excluded from computation of earnings per unit Antidilutive Securities Excluded from Computation of Earnings Per Share, 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 Stock Issued During Period, Shares, New Issues Stock Issued During Period, Shares, New Issues Development Stage Entities, Equity Issuance, Per Share Amount Development Stage Entities, Equity Issuance, Per Share Amount Underwriter option to purchase additional depositary units Underwriter option to purchase additional depositary units Underwriter option to purchase additional depositary units Proceeds from Issuance or Sale of Equity Proceeds from Issuance or Sale of Equity General partner ownership percentage in Icahn Enterprises Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Common Stock, Dividends, Per Share, Declared Common Stock, Dividends, Per Share, Declared Units issued as a unit distribution Distribution Made to Limited Partner, Unit Distribution Affiliate ownership interest in Icahn Enterprises Dividends Payable Dividends Payable Fair Value Measurements Fair Value Disclosures [Text Block] Quarterly Financial Data (Unaudited) [Abstract] Quarterly Financial Data (Unaudited) [Abstract] Schedule of Quarterly Financial Information [Table Text Block] Schedule of Quarterly Financial Information [Table Text Block] Partner Type [Axis] Partner Type [Axis] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Net income Other comprehensive income (loss), 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 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] 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, Percent Foreign Operations Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent 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, Percent Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective Income Tax Rate, Continuing Operations Effective Income Tax Rate Reconciliation, Percent Goodwill and Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Compensation Arrangements Disclosure of Compensation Related Costs, Share-based Payments [Text Block] 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 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] Property, Plant and Equipment, Net [Abstract] Property, Plant and Equipment, Net Property, Plant and Equipment Disclosure [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] CVR Issuers [Member] CVR Issuers [Member] CRLLC and wholly owned subidiary Coffeyville Finance Inc. [Member] CRLLC [Member] CRLLC [Member] CRLLC [Member] EuroDollar [Member] Eurodollar [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] Use of portion of debt proceeds to repay other debt Use of portion of debt proceeds to repay other debt Use of portion of debt proceeds to repay other 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 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 Future minimum payments for unconditional purchase obligations, 2014 Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months Future minimum payments for unconditional purchase obligations, 2015 Unrecorded Unconditional Purchase Obligation, Due within Two Years Future minimum payments for unconditional purchase obligations, 2016 Unrecorded Unconditional Purchase Obligation, Due within Three Years Future minimum payments for unconditional purchase obligations, 2017 Unrecorded Unconditional Purchase Obligation, Due within Four Years Future minimum payments for unconditional purchase obligations, 2018 Unrecorded Unconditional Purchase Obligation, Due within Five Years Future minimum payments for unconditional purchase 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 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] Limited partners: Depositary units issued Limited Partners' Capital Account, Units Issued Limited partners: Depositary units outstanding Limited Partners' Capital Account, Units Outstanding Schedule Of Earnings Per LP Unit Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Benefit Obligations and Plan Assets [Abstract] Benefit Obligations and Plan Assets [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Pension Benefits Pension Plan, Defined Benefit [Member] Other Post-Employment Benefits Other Postretirement Benefit Plan, Defined Benefit [Member] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plan, Benefit Obligation Defined Benefit Plan, Benefit Obligation Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost 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) Defined Benefit Plan, Fair Value of Plan Assets Defined Benefit Plan, Fair Value of Plan Assets 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 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] Gaming Segment [Abstract] Gaming Segment [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] 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 Equity: Stockholders' Equity Attributable to Parent [Abstract] Treasury units at cost, units outstanding 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] Mortgages [Member] Mortgages [Member] Debt Debt Disclosure [Text Block] Goodwill and Intangible Assets [Table] Goodwill and Intangible Assets [Table] Goodwill and Intangible Assets [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Fuel Pump [Member] [Member] Fuel Pump [Member] [Member] Fuel Pump [Member] [Member] 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] Alleged defective products liability [Member] Alleged defective products liability [Member] Alleged defective products liability [Member] Permitting assets Other Intangible Assets [Member] Petroleum Reporting Unit [Member] Petroleum Reporting Unit [Member] Petroleum Reporting Unit [Member] Fertlizer Reporting Unit [Member] Fertlizer Reporting Unit [Member] Fertlizer Reporting Unit [Member] Powertrain [Member] Powertrain [Member] Powertrain [Member] BERU [Member] BERU [Member] BERU [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 Estimated future amortization expense for definite-lived intangible assets, 2014 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Estimated future amortization expense for definite-lived intangible assets, 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Two Estimated future amortization expense for definite-lived intangible assets, 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Three Estimated future amortization expense for definite-lived intangible assets, 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Four Estimated future amortization expense for definite-lived intangible assets, 2018 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. Goodwill, purchase accounting adjustment Goodwill, Purchase Accounting Adjustments Definite-lived intangibles, purchase accounting adjustment Finite-Lived Intangible Assets, Purchase Accounting Adjustments Foreign exchange Goodwill, Written off Related to Sale of Business Unit Finite-Lived Intangible Assets, Period Increase (Decrease) Finite-Lived Intangible Assets, Period Increase (Decrease) Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit Adjustment to liabilities due to purchase accounting error Adjustment to liabilities due to purchase accounting error Adjustment to liabilities due to purchase accounting error Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount Impairment of intangible assets, Indefinite-lived (Excluding goodwill) Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Goodwill, Gross Goodwill, Gross Business Acquisition, Goodwill, Expected Tax Deductible Amount Business Acquisition, Goodwill, Expected Tax Deductible Amount Noncontrolling Interest, Period Increase (Decrease) Noncontrolling Interest, Period Increase (Decrease) Stockholders' Equity, Period Increase (Decrease) Stockholders' Equity, Period Increase (Decrease) Allocation of intangible assets resulting from acquisition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life 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 Impairment charge, definite-lived intangible assets Impairment of Intangible Assets, Finite-lived 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] 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 7.75% senior unsecured notes due 2016 - Icahn Enterprises/Icahn Enterprises Holdings Senior unsecured variable rate convertible notes due 2013 - Icahn Enterprises/Icahn Enterprises Holdings Other [Abstract] Other [Abstract] Las Vegas, Nevada [Member] [Member] Las Vegas, Nevada [Member] [Member] Las Vegas, Nevada [Member] MASSACHUSETTS MASSACHUSETTS FLORIDA FLORIDA Viskase [Member] Viskase [Member] Viskase [Member] ARI [Member] ARI [Member] ARI [Member] Number of manufacturing facilities Nnumber of Manufacturing Facilities Nnumber of Manufacturing Facilities Number of distribution centers Number of Distribution Centers Number of Distribution Centers 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 Operating Leases, Future Minimum Payments Receivable, Due in 2014 Operating Leases, Future Minimum Payments Receivable, Current Operating Leases, Future Minimum Payments Receivable, Due in 2015 Operating Leases, Future Minimum Payments Receivable, in Two Years Operating Leases, Future Minimum Payments Receivable, Due in 2016 Operating Leases, Future Minimum Payments Receivable, in Three Years Operating Leases, Future Minimum Payments Receivable, Due in 2017 Operating Leases, Future Minimum Payments Receivable, in Four Years Operating Leases, Future Minimum Payments Receivable, Due in 2018 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 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 Net Periodic Benefit Cost [Abstract] Net Periodic Benefit Cost [Abstract] Net Periodic Benefit Cost [Line Items] 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 loss (gain) Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements Curtailment gain Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost Investments and Related Matters [Abstract] Investments and Related Matters [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Equity Method Investments [Member] Equity Method Investments [Member] Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] 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) 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 Investment and Related Matter [Table] Investment and Related Matter [Table] Investment and Related Matter [Table] 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] 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] 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] Viskase Senior Secured Notes due 2021 [Member] Viskase Senior Secured Notes due 2021 [Member] Viskase Senior Secured Notes due 2021 [Member] Line of credit, refinancing indebtedness due, period Line of credit, refinancing indebtedness due, period Line of credit, refinancing indebtedness due, period 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 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Transfer in Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Gross realized and unrealized gains 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), Issuances, (Settlements) Gross proceeds Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Foreign currency exchange rate movements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetForeignExchangeMovements Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Foreign Exchange Movements Balance at December 31 Segment Reporting Segment Reporting Disclosure [Text Block] Quarterly Financial Information [Text Block] Quarterly Financial Information [Text Block] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Foreign currency contracts [Member] 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] 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 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 Significant Accounting Policies [Text Block] Significant Accounting Policies [Text Block] 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 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] 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 Investments and Related Matters Investments and Other Noncurrent Assets [Text Block] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Foreign Tax Authority [Member] Foreign Tax Authority [Member] Domestic Tax Authority [Member] Domestic Tax Authority [Member] United Kingdom UNITED KINGDOM Other foreign jurisdictions [Member] Other Foreign countries [Member] Other Foreign countries [Member] WPI [Member] WPI [Member] WPI [Member] 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 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 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 carryforward, year of expiration Operating Loss carryforward, year of expiration Foreign deferred tax asst for tax loss carryforwards and credits, subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Foreign Release of deferred tax allowance Release of deferred tax allowance Release of deferred tax allowance Domestic tax credits Domestic tax credits Domestic tax credits Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Honeywell [Member] Honeywell [Member] Honeywell [Member] Affinia [Member] Affinia [Member] Affinia [Member] 2017 Notes [Member] 2017 Notes [Member] 2017 Notes [Member] 2019 Notes [Member] 2019 Notes [Member] 2019 Notes [Member] Additional 2020 Notes [Member] Additional 2020 Notes [Member] Additional 2020 Notes [Member] ARI Notes due 2020 [Member] ARI Notes due 2020 [Member] ARI Notes due 2020 [Member] NCI I Term Loan [Member] NCI I Term Loan [Member] NCI I Term Loan [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Proceeds from Issuance of Debt Proceeds from Issuance of Debt Distribution Made to Limited Partner, Distributions Declared, Per Unit Distribution Made to Limited Partner, 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 Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Gross Proceeds from issuance of Long-term debt after proceeds used to refinance prior debt Proceeds from issuance of Long-term debt after proceeds used to refinance prior debt Proceeds from issuance of Long-term debt after proceeds used to refinance prior debt Business combination, potential earn out payment Business combination, potential earn out payment Business combination, potential earn out payment Additional borrowing availability Additional borrowing availability Additional borrowing availability 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] Amortization of deferred financing costs Amortization of Financing Costs Equity in earnings of subsidiary Income (Loss) from Equity Method Investments Change in operating assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash used in operating activities Net investment in subsidiaries Payments to Acquire Equity Method Investments Net cash (used in) provided by investing activities Net cash provided by (used in) financing activities Net change in cash and cash equivalents 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 Line of credit, aggregate principal amount due upon acceleration Line of credit, aggregate principal amount due upon acceleration Line of credit, aggregate principal amount due upon acceleration Sensitivity to 25 bp change in interest rates, impact on interest expense in 2014 Sensitivity to 25 bp change Sensitivity to 25 bp change in interest rates, entity's corresponding change in interest expense Sensitivity to 25 bp change in interest rates, impact on interest expense in 2015 Sensitivity to 25 bp change in interest rates, impact on interest expense in 2015 Sensitivity to 25 bp change in interest rates, impact on interest expense in 2015 Funding Commitment, Total Amount Funding Commitment, Total Amount Funding Commitment, Total Amount Letters of credit outstanding Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Schedule of Inventory, Current [Table Text Block] Schedule of Inventory, Current [Table Text Block] Equity swaps Equity Swap [Member] Foreign currency forwards Foreign Exchange Forward [Member] Primary underlying risk: Primary underlying risk: [Abstract] Primary underlying risk: [Abstract] Long Notional Exposure Notional Exposure of Derivatives, Long Position Notional Exposure of Derivatives, Long Position Short Notional Exposure Notional Exposure of Derivatives, Short Position Notional Exposure of Derivatives, Short Position Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Railcar Sales [Member] Railcar Sales [Member] Railcar Sales [Member] Purchase of railcars [Member] Purchase of railcars [Member] Purchase of railcars [Member] Icahn Capital [Member] Icahn Capital [Member] Icahn Capital [Member] IEP Energy [Member] IEP Energy [Member] IEP Energy [Member] AEP Leasing [Member] AEP Leasing [Member] AEP Leasing [Member] Related Party Transactions, by Transaction Type [Axis] Related Party Transactions, by Transaction Type [Axis] Related Party Transactions, by Transaction Type [Axis] Related Party Transactions, by Type [Domain] Related Party Transactions, by Type [Domain] Related Party Transactions, by Type [Domain] Expense Sharing Agreement [Member] Expense Sharing Agreement [Member] Expense Sharing Agreement [Member] Investment in funds Investment in funds Investment in funds Investments, fair value Investments, Fair Value Disclosure Percentage fair value of investments in Funds that is attributable to Mr. Icahn Percentage fair value of investments in Funds that is attributable to Mr. Icahn Percentage fair value of investments in Funds that is attributable to Mr. Icahn Expenses charged by related party Related Party Transaction, Amounts of Transaction Capital contributions by non-controlling interests in subsidiary (Shares) OtherOwnershipInterestsShares Shares contributed by non-controlling interest in subidiary Capital contributions by non-controlling interests in subsidiary other ownership interest value Capital contributions by non-controlling interests in subsidiary, value Loans and Leases Receivable, Related Parties Loans and Leases Receivable, Related Parties Related Party Transaction, Rate Related Party Transaction, Rate Interest Income, Related Party Interest Income, Related Party Related Party Transaction, Other Revenues from Transactions with Related Party Related Party Transaction, Other Revenues from Transactions with Related Party Unrecorded Unconditional Purchase Obligation, Minimum Quantity Required Unrecorded Unconditional Purchase Obligation, Minimum Quantity Required Unrecorded Unconditional Purchase Obligation Option to purchase additinal railcars, number of cars Option to purchase additinal railcars, number of cars Option to purchase additinal railcars, number of cars Option to purchase additional railcars Option to purchase additional railcars Option to purchase additional railcars Related Party Transaction, Expenses from Transactions with Related Party Related Party Transaction, Expenses from Transactions with Related Party Income Statement [Abstract] Revenues: Revenues [Abstract] 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 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) Net income 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] General partner Net Income (Loss) Allocated to General Partners Net income attributable to Icahn Enterprises Cash distributions declared per LP unit Distributions Per Limited Partnership Unit Outstanding, Basic Accounting Policies [Abstract] Segment Reporting, Policy [Policy Text Block] Segment Reporting, Policy [Policy Text Block] 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, Amount Not Offset Against Collateral Derivative Liability, Fair Value, Net Asset Derivatives, Total Liability Derivatives, Total Gross Profit Gross Profit Revenues Accumulated Other Comprehensive Income (Loss) [Text Block] Accumulated Other Comprehensive Income (Loss) [Text Block] Accumulated Other Comprehensive Income (Loss) [Text Block] 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 Selling, General and Administrative Expenses [Member] Selling, General and Administrative Expenses [Member] 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] Prior service credit in AOCI Prior service credit in AOCI Prior service credit in AOCI 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 Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) 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 2014 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, 2014 Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months Projected future benefit payments for benefit plans, 2015 Defined Benefit Plan, Expected Future Benefit Payments, Year Two Projected future benefit payments for benefit plans, 2016 Defined Benefit Plan, Expected Future Benefit Payments, Year Three Projected future benefit payments for benefit plans, 2017 Defined Benefit Plan, Expected Future Benefit Payments, Year Four Projected future benefit payments for benefit plans, 2018 Defined Benefit Plan, Expected Future Benefit Payments, Year Five Projected future benefit payments for benefit plans, 2019-2023 Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter Expected future contributions to benefit plans in 2013 Defined Benefit Plans, 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 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] Equity Funds [Member] Equity Funds [Member] Marketable equity and debt securities Available-for-sale Securities Other Liabilities Other Liabilities Financial and Nonfinancial Liabilities, Fair Value Disclosure Accounting Policies [Table] Accounting Policies [Table] Accounting Policies Assets Leased to Others [Member] Railcars [Member] Railcars [Member] Refineries [Member] 324110 Petroleum Refineries [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 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 Subsequent Events Subsequent Events [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 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. Automotive Segment [Abstract] Automotive Segment [Abstract] 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 2013 [Member] [Member] Restructuring 2013 [Member] [Member] Restructuring 2013 [Member] Restructuring 2012 [Member] Restructuring 2012 [Member] Restructuring 2012 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. 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 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] Equity earnings from non-consolidated affiliates Total Revenues Total Expenses 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] AOCI, Post-employment Benefits, 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 Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, 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, 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 Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, Net of Tax Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, 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 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 Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Number of reportable segments Number of Reportable Segments Net gain from investment activities Income before income tax benefit (expense) Income from continuing operations Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Less: net (income) loss attributable to non-controlling interests Income (Loss) from Continuing Operations Attributable to Noncontrolling Interest Supplemental information: Supplemental Income Statement Elements [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Depreciation and amortization Depreciation, Depletion and Amortization 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 Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Gross carrying amount Acquisitions Goodwill, Acquired During Period Accumulated impairment Goodwill, Impaired, Accumulated Impairment Loss Impairment of goodwill Net carrying value Adjustment to step-up value Goodwill, Period Increase (Decrease) Goodwill, Translation Adjustments Goodwill, Translation Adjustments