Related Party Transactions	12 Months Ended
Dec. 31, 2012
Related Party Transaction [Line Items]
Related Party Transactions	Related Party Transactions. Our amended and restated agreement of limited partnership expressly permits us to enter into transactions with our general partner or any of its affiliates, including, without limitation, buying or selling properties from or to our general partner and any of its affiliates and borrowing and lending money from or to our general partner and any of its affiliates, subject to limitations contained in our partnership agreement and the Delaware Revised Uniform Limited Partnership Act. The indentures governing our indebtedness contain certain covenants applicable to transactions with affiliates. Investment Until August 8, 2007, Icahn Management LP (“Icahn Management”) elected to defer most of the management fees from the Offshore Funds and such amounts remained invested in the Offshore Master Funds until April 30, 2012. Prior to March 31, 2011, the balance of the deferred management fees payable (included in accrued expenses and other liabilities) by Icahn Fund Ltd. to Icahn Management was included in our consolidated financial statements. As further discussed in Note 6, "Investments and Related Matters-Investment-Investment in Variable Interest Entities," because we are no longer considered the primary beneficiary of Icahn Fund Ltd. as of March 31, 2011, we deconsolidated the results and financial position of Icahn Fund Ltd. as of such date. As a result of deconsolidating Icahn Fund Ltd., our consolidated financial statements no longer contain this deferred management fee payable effective March 31, 2011. Effective January 1, 2008, Icahn Capital LP (“Icahn Capital”) paid for salaries and benefits of certain employees who may also perform various functions on behalf of certain other entities beneficially owned by Mr. Icahn (collectively, “Icahn Affiliates”), including administrative and investment services. Prior to January 1, 2008, Icahn & Co. LLC paid for such services. Under a separate expense-sharing agreement, Icahn Capital charged Icahn Affiliates $2 million, $1 million and $2 million for the years ended December 31, 2012, 2011 and 2010, respectively. As of December 31, 2012, accrued expenses and other liabilities in our consolidated balance sheets included $1 million to be applied to Icahn Capital's charges to Icahn Affiliates for services to be provided to them. There was no balance as of December 31, 2011. In addition, effective January 1, 2008, certain expenses borne by Icahn Capital are reimbursed by Icahn Affiliates, as appropriate, when such expenses are incurred. The expenses include investment-specific expenses for investments acquired by both the Investment Funds and Icahn Affiliates that are allocated based on the amounts invested by each party, as well as investment-related expenses that are allocated based on estimated usage agreed upon by Icahn Capital and Icahn Affiliates. For the years ended December 31, 2012, 2011 and 2010, these reimbursement amounts were $4 million, $2 million and $3 million, respectively. Mr. Icahn, along with his affiliates (excluding Icahn Enterprises and Icahn Enterprises Holdings), makes investments in the Investment Funds. As of December 31, 2012 and 2011, the total fair market value of investments in the Investment Funds made by Mr. Icahn and his affiliates was approximately $3.5 billion and $3.2 billion, respectively. In addition, an affiliate of Mr. Icahn had a deferred management fee arrangement with certain feeder funds which was settled in the amount of $192 million during the second quarter of 2012. At December 31, 2011, the balance of the deferred management fee arrangement was $188 million which was invested in and received applicable returns thereon from the Investment Funds. Effective April 1, 2011, based on an expense-sharing arrangement, certain expenses borne by Icahn Capital are reimbursed by the Investment Funds, generally when such expenses are paid. Such expenses relate to the operation, administration and investment activities of Icahn Capital for the benefit of the Investment Funds (including salaries, benefits and rent) and shall be allocated pro rata in accordance with each investor's capital accounts in the Investment Funds. For the years ended December 31, 2012 and 2011, $23 million and $21 million respectively, was allocated to the Investment Funds based on this expense-sharing arrangement. Energy On May 7, 2012, affiliates of Mr. Icahn contributed 4,566,546 shares of CVR common stock to IEP Energy with an aggregate value of $137 million, resulting in a 6.4% non-controlling interest in IEP Energy. Pursuant to a contribution and exchange agreement dated August 24, 2012, affiliates of Mr. Icahn contributed their interest in IEP Energy to us for an aggregate consideration of 3,288,371 of our depositary units based on a 20 trading-day volume weighted average price of our depositary units. As a result of this transaction, we directly own 82.0% of the total outstanding common stock of CVR as of August 24, 2012. This transaction was approved by the Audit Committee of the board of directors of Icahn Enterprises GP. The Audit Committee was advised by independent counsel and an independent financial advisor which rendered a fairness opinion. Since March 2009, CVR Partners has leased 200 railcars from ARL. The agreement is scheduled to expire on March 31, 2014. For the period May 5, 2012 through December 31, 2012, $0.7 million of rent expense was recorded related to this agreement. Railcar Agreements with American Railcar Leasing LLC Effective as of January 1, 2008, ARI entered into a fleet services agreement with ARL, a company controlled by Mr. Icahn. Under the agreement, ARI provided ARL fleet management services for a fixed monthly fee and railcar repair and maintenance services for a charge of labor, components and materials. This agreement was replaced by a new agreement (referred to as the "Railcar Services Agreement"), which became effective April 16, 2011 for a term of three years that will automatically renew for additional one-year periods unless either party provides at least 60 days written prior notice of termination. As stipulated in the Railcar Services Agreement, ARI provides railcar repair, engineering, administrative and other services, on an as needed basis, for ARL's lease fleet at mutually agreed-upon prices. Railcar services revenues, included in other revenues from operations in our consolidated statements of operations, recorded by ARI were $21 million, $25 million and $15 million under these agreements for the years ended December 31, 2012, 2011 and 2010, respectively. The terms and pricing on services to related parties are not less favorable to ARI than the terms and pricing on services provided to unaffiliated third parties. The Railcar Services Agreement was unanimously approved by the independent directors of ARI's audit committee on the basis that the terms were no less favorable than those terms that could have been obtained in a comparable transaction with an unaffiliated third party. ARI from time to time manufactures and sells railcars to ARL under long-term agreements as well as on a purchase order basis. For the years ended December 31, 2012, 2011 and 2010, revenues from railcars sold to ARL were $45 million, $1 million and $82 million, respectively. Revenues from railcars sold to ARL are included in net sales in our consolidated statements of operations. The terms and pricing on services to related parties are not less favorable to ARI than the terms and pricing on services provided to unaffiliated third parties. Any related party sales of railcars under an agreement or purchase order, have been and will be subject to the approval or review by ARI's audit committee. On February 29, 2012, ARI entered into a Railcar Management Agreement (the "ARI Railcar Management Agreement") with ARL, pursuant to which ARI engaged ARL to sell or lease ARI's railcars in certain markets, subject to the terms and conditions of the ARI Railcar Management Agreement. The ARI Railcar Management Agreement was effective as of January 1, 2011, will continue through December 31, 2015 and may be renewed upon written agreement by both parties. On August 30, 2012, AEP Leasing LLC ("AEP Leasing") entered into a Railcar Management Agreement (the "AEP Railcar Management Agreement" and together with ARI Railcar Management Agreement, the "Railcar Management Agreements") with ARL, pursuant to which AEP Leasing engaged ARL to sell or lease AEP Leasing's railcars in certain markets, subject to the terms and conditions of the AEP Railcar Management Agreement. The AEP Railcar Management Agreement was effective as of August 30, 2012, will continue through December 31, 2022 and may be renewed upon written agreement by both parties. The Railcar Management Agreements also provide that ARL will manage ARI's and AEP Leasing's leased railcars including arranging for services, such as repairs or maintenance, as deemed necessary. Subject to the terms and conditions of the agreement, ARL will receive, in respect of leased railcars, a fee consisting of a lease origination fee and a management fee based on the lease revenues, and, in respect of railcars sold by ARL, sales commissions. The ARI Railcar Management Agreement was unanimously approved by ARI's special committee and Icahn Enterprises' audit committee consisting of independent directors who were advised by independent counsel and an independent financial advisor. The AEP Railcar Management Agreement was unanimously approved by Icahn Enterprises' audit committee consisting of independent directors who were advised by independent counsel and an independent financial advisor. Each of the Railcar Management Agreements was approved by the applicable special or audit committees on the basis that the terms of the Railcar Management Agreements were not materially less favorable than those terms that could have been obtained in a comparable transaction with an unaffiliated third party. Fees incurred by ARI and AEP Leasing in connection with the Railcar Management Agreements were $1.6 million, and $0.3 million for the years ended December 31, 2012 and 2011, respectively. As of December 31, 2012 and December 31, 2011, ARI had accounts receivable of $2 million and $4 million, respectively, due from ARL. These amounts are included in other assets in our consolidated balance sheets. Other In January 2013, ARI entered into a purchasing and engineering services agreement and license with ACF Industries LLC, a company controlled by Mr. Icahn. See Note 20, "Subsequent Events-Railcar," for further discussion. Administrative Services For the years ended December 31, 2012, 2011 and 2010, we paid an affiliate $3 million, $2 million and $2 million for the non-exclusive use of office space. For the years ended December 31, 2012, 2011 and 2010, we and certain of our subsidiaries paid an aggregate $1 million, $1 million and $1 million, respectively, to XO Holdings, Inc., an affiliate of Icahn Enterprises GP, our general partner, for telecommunications services The Holding Company provided certain professional services to an Icahn Affiliate for which it charged $3 million, $3 million and $2 million for the years ended December 31, 2012, 2011 and 2010, respectively. As of December 31, 2012 and December 31, 2011, accrued expenses and other liabilities in our consolidated balance sheets included $1 million and $1 million, respectively, for charges to the affiliate for services provided to it. Insight Portfolio Group LLC (formerly known as Icahn Sourcing, LLC) Icahn Sourcing, LLC ("Icahn Sourcing") is an entity formed and controlled by Mr. Icahn in order to maximize the potential buying power of a group of entities with which Mr. Icahn has a relationship in negotiating with a wide range of suppliers of goods, services and tangible and intangible property at negotiated rates. Icahn Enterprises was a member of the buying group in 2012. Prior to December 31, 2012 Icahn Enterprises did not pay Icahn Sourcing any fees or other amounts with respect to the buying group arrangement. In December, 2012, Icahn Sourcing advised Icahn Enterprises that effective January 1, 2013 it would restructure its ownership and change its name to Insight Portfolio Group LLC (“Insight Portfolio Group”). In connection with the restructuring, Icahn Enterprises Holdings acquired a minority equity interest in Insight Portfolio Group and agreed to pay a portion of Insight Portfolio Group's operating expenses in 2013. In addition to the minority equity interest held by Icahn Enterprises Holdings, certain subsidiaries of Icahn Enterprises Holdings, including Federal-Mogul, CVR, Tropicana, ARI, Viskase PSC Metals and WPH also acquired minority equity interests in Insight Portfolio Group and agreed to pay a portion of Insight Portfolio Group's operating expenses in 2013. A number of other entities with which Mr. Icahn has a relationship also acquired equity interests in Insight Portfolio Group and also agreed to pay certain of Insight Portfolio Group's operating expenses in 2013.

Related Party Transactions.

Our amended and restated agreement of limited partnership expressly permits us to enter into transactions with our general partner or any of its affiliates, including, without limitation, buying or selling properties from or to our general partner and any of its affiliates and borrowing and lending money from or to our general partner and any of its affiliates, subject to limitations contained in our partnership agreement and the Delaware Revised Uniform Limited Partnership Act. The indentures governing our indebtedness contain certain covenants applicable to transactions with affiliates.

Investment

Until August 8, 2007, Icahn Management LP (“Icahn Management”) elected to defer most of the management fees from the Offshore Funds and such amounts remained invested in the Offshore Master Funds until April 30, 2012. Prior to March 31, 2011, the balance of the deferred management fees payable (included in accrued expenses and other liabilities) by Icahn Fund Ltd. to Icahn Management was included in our consolidated financial statements. As further discussed in Note 6, "Investments and Related Matters-Investment-Investment in Variable Interest Entities," because we are no longer considered the primary beneficiary of Icahn Fund Ltd. as of March 31, 2011, we deconsolidated the results and financial position of Icahn Fund Ltd. as of such date. As a result of deconsolidating Icahn Fund Ltd., our consolidated financial statements no longer contain this deferred management fee payable effective March 31, 2011.

Effective January 1, 2008, Icahn Capital LP (“Icahn Capital”) paid for salaries and benefits of certain employees who may also perform various functions on behalf of certain other entities beneficially owned by Mr. Icahn (collectively, “Icahn Affiliates”), including administrative and investment services. Prior to January 1, 2008, Icahn & Co. LLC paid for such services. Under a separate expense-sharing agreement, Icahn Capital charged Icahn Affiliates $2 million, $1 million and $2 million for the years ended December 31, 2012, 2011 and 2010, respectively. As of December 31, 2012, accrued expenses and other liabilities in our consolidated balance sheets included $1 million to be applied to Icahn Capital's charges to Icahn Affiliates for services to be provided to them. There was no balance as of December 31, 2011.

In addition, effective January 1, 2008, certain expenses borne by Icahn Capital are reimbursed by Icahn Affiliates, as appropriate, when such expenses are incurred. The expenses include investment-specific expenses for investments acquired by both the Investment Funds and Icahn Affiliates that are allocated based on the amounts invested by each party, as well as investment-related expenses that are allocated based on estimated usage agreed upon by Icahn Capital and Icahn Affiliates. For the years ended December 31, 2012, 2011 and 2010, these reimbursement amounts were $4 million, $2 million and $3 million, respectively.

Mr. Icahn, along with his affiliates (excluding Icahn Enterprises and Icahn Enterprises Holdings), makes investments in the Investment Funds. As of December 31, 2012 and 2011, the total fair market value of investments in the Investment Funds made by Mr. Icahn and his affiliates was approximately $3.5 billion and $3.2 billion, respectively. In addition, an affiliate of Mr. Icahn had a deferred management fee arrangement with certain feeder funds which was settled in the amount of $192 million during the second quarter of 2012. At December 31, 2011, the balance of the deferred management fee arrangement was $188 million which was invested in and received applicable returns thereon from the Investment Funds.

Effective April 1, 2011, based on an expense-sharing arrangement, certain expenses borne by Icahn Capital are reimbursed by the Investment Funds, generally when such expenses are paid. Such expenses relate to the operation, administration and investment activities of Icahn Capital for the benefit of the Investment Funds (including salaries, benefits and rent) and shall be allocated pro rata in accordance with each investor's capital accounts in the Investment Funds. For the years ended December 31, 2012 and 2011, $23 million and $21 million respectively, was allocated to the Investment Funds based on this expense-sharing arrangement.

Energy

On May 7, 2012, affiliates of Mr. Icahn contributed 4,566,546 shares of CVR common stock to IEP Energy with an aggregate value of $137 million, resulting in a 6.4% non-controlling interest in IEP Energy. Pursuant to a contribution and exchange agreement dated August 24, 2012, affiliates of Mr. Icahn contributed their interest in IEP Energy to us for an aggregate consideration of 3,288,371 of our depositary units based on a 20 trading-day volume weighted average price of our depositary units. As a result of this transaction, we directly own 82.0% of the total outstanding common stock of CVR as of August 24, 2012. This transaction was approved by the Audit Committee of the board of directors of Icahn Enterprises GP. The Audit Committee was advised by independent counsel and an independent financial advisor which rendered a fairness opinion.

Since March 2009, CVR Partners has leased 200 railcars from ARL. The agreement is scheduled to expire on March 31, 2014. For the period May 5, 2012 through December 31, 2012, $0.7 million of rent expense was recorded related to this agreement.

Railcar

Agreements with American Railcar Leasing LLC

Effective as of January 1, 2008, ARI entered into a fleet services agreement with ARL, a company controlled by Mr. Icahn. Under the agreement, ARI provided ARL fleet management services for a fixed monthly fee and railcar repair and maintenance services for a charge of labor, components and materials. This agreement was replaced by a new agreement (referred to as the "Railcar Services Agreement"), which became effective April 16, 2011 for a term of three years that will automatically renew for additional one-year periods unless either party provides at least 60 days written prior notice of termination. As stipulated in the Railcar Services Agreement, ARI provides railcar repair, engineering, administrative and other services, on an as needed basis, for ARL's lease fleet at mutually agreed-upon prices. Railcar services revenues, included in other revenues from operations in our consolidated statements of operations, recorded by ARI were $21 million, $25 million and $15 million under these agreements for the years ended December 31, 2012, 2011 and 2010, respectively. The terms and pricing on services to related parties are not less favorable to ARI than the terms and pricing on services provided to unaffiliated third parties. The Railcar Services Agreement was unanimously approved by the independent directors of ARI's audit committee on the basis that the terms were no less favorable than those terms that could have been obtained in a comparable transaction with an unaffiliated third party.

ARI from time to time manufactures and sells railcars to ARL under long-term agreements as well as on a purchase order basis. For the years ended December 31, 2012, 2011 and 2010, revenues from railcars sold to ARL were $45 million, $1 million and $82 million, respectively. Revenues from railcars sold to ARL are included in net sales in our consolidated statements of operations. The terms and pricing on services to related parties are not less favorable to ARI than the terms and pricing on services provided to unaffiliated third parties. Any related party sales of railcars under an agreement or purchase order, have been and will be subject to the approval or review by ARI's audit committee.

On February 29, 2012, ARI entered into a Railcar Management Agreement (the "ARI Railcar Management Agreement") with ARL, pursuant to which ARI engaged ARL to sell or lease ARI's railcars in certain markets, subject to the terms and conditions of the ARI Railcar Management Agreement. The ARI Railcar Management Agreement was effective as of January 1, 2011, will continue through December 31, 2015 and may be renewed upon written agreement by both parties.

On August 30, 2012, AEP Leasing LLC ("AEP Leasing") entered into a Railcar Management Agreement (the "AEP Railcar Management Agreement" and together with ARI Railcar Management Agreement, the "Railcar Management Agreements") with ARL, pursuant to which AEP Leasing engaged ARL to sell or lease AEP Leasing's railcars in certain markets, subject to the terms and conditions of the AEP Railcar Management Agreement. The AEP Railcar Management Agreement was effective as of August 30, 2012, will continue through December 31, 2022 and may be renewed upon written agreement by both parties.

The Railcar Management Agreements also provide that ARL will manage ARI's and AEP Leasing's leased railcars including arranging for services, such as repairs or maintenance, as deemed necessary. Subject to the terms and conditions of the agreement, ARL will receive, in respect of leased railcars, a fee consisting of a lease origination fee and a management fee based on the lease revenues, and, in respect of railcars sold by ARL, sales commissions. The ARI Railcar Management Agreement was unanimously approved by ARI's special committee and Icahn Enterprises' audit committee consisting of independent directors who were advised by independent counsel and an independent financial advisor. The AEP Railcar Management Agreement was unanimously approved by Icahn Enterprises' audit committee consisting of independent directors who were advised by independent counsel and an independent financial advisor. Each of the Railcar Management Agreements was approved by the applicable special or audit committees on the basis that the terms of the Railcar Management Agreements were not materially less favorable than those terms that could have been obtained in a comparable transaction with an unaffiliated third party. Fees incurred by ARI and AEP Leasing in connection with the Railcar Management Agreements were $1.6 million, and $0.3 million for the years ended December 31, 2012 and 2011, respectively.

As of December 31, 2012 and December 31, 2011, ARI had accounts receivable of $2 million and $4 million, respectively, due from ARL. These amounts are included in other assets in our consolidated balance sheets.

Other

In January 2013, ARI entered into a purchasing and engineering services agreement and license with ACF Industries LLC, a company controlled by Mr. Icahn. See Note 20, "Subsequent Events-Railcar," for further discussion.

Administrative Services

For the years ended December 31, 2012, 2011 and 2010, we paid an affiliate $3 million, $2 million and $2 million for the non-exclusive use of office space.

For the years ended December 31, 2012, 2011 and 2010, we and certain of our subsidiaries paid an aggregate $1 million, $1 million and $1 million, respectively, to XO Holdings, Inc., an affiliate of Icahn Enterprises GP, our general partner, for telecommunications services

The Holding Company provided certain professional services to an Icahn Affiliate for which it charged $3 million, $3 million and $2 million for the years ended December 31, 2012, 2011 and 2010, respectively. As of December 31, 2012 and December 31, 2011, accrued expenses and other liabilities in our consolidated balance sheets included $1 million and $1 million, respectively, for charges to the affiliate for services provided to it.

Insight Portfolio Group LLC (formerly known as Icahn Sourcing, LLC)

Icahn Sourcing, LLC ("Icahn Sourcing") is an entity formed and controlled by Mr. Icahn in order to maximize the potential buying power of a group of entities with which Mr. Icahn has a relationship in negotiating with a wide range of suppliers of goods, services and tangible and intangible property at negotiated rates. Icahn Enterprises was a member of the buying group in 2012. Prior to December 31, 2012 Icahn Enterprises did not pay Icahn Sourcing any fees or other amounts with respect to the buying group arrangement.

In December, 2012, Icahn Sourcing advised Icahn Enterprises that effective January 1, 2013 it would restructure its ownership and change its name to Insight Portfolio Group LLC (“Insight Portfolio Group”). In connection with the restructuring, Icahn Enterprises Holdings acquired a minority equity interest in Insight Portfolio Group and agreed to pay a portion of Insight Portfolio Group's operating expenses in 2013. In addition to the minority equity interest held by Icahn Enterprises Holdings, certain subsidiaries of Icahn Enterprises Holdings, including Federal-Mogul, CVR, Tropicana, ARI, Viskase PSC Metals and WPH also acquired minority equity interests in Insight Portfolio Group and agreed to pay a portion of Insight Portfolio Group's operating expenses in 2013. A number of other entities with which Mr. Icahn has a relationship also acquired equity interests in Insight Portfolio Group and also agreed to pay certain of Insight Portfolio Group's operating expenses in 2013.