Funding Commitment, Total Amount

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- Definition

Option to purchase additinal railcars, number of cars

+ References

No definition available.

+ Details

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- Definition

Option to purchase additional railcars

+ References

No definition available.

+ Details

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- Definition

Percentage fair value of investments in Funds that is attributable to Mr. Icahn

+ References

No definition available.

+ Details

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- Definition

Related party transaction, balance

+ References

No definition available.

+ Details

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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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- Definition

Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

+ References

No definition available.

+ Details

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- Definition

The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 22

-Article 12

+ Details

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- Definition

Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 440

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25336-109308

+ Details

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- Definition

The minimum number of units that must be purchased, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes.

+ References

No definition available.

+ Details

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Related Party Transactions (Details) (USD $)	3 Months Ended				3 Months Ended	12 Months Ended			3 Months Ended				3 Months Ended		0 Months Ended
Related Party Transactions (Details) (USD $)	Mar. 31, 2014 Icahn Capital [Member] Investment Funds [Member] Expense sharing agreement [Member]	Mar. 31, 2013 Icahn Capital [Member] Investment Funds [Member] Expense sharing agreement [Member]	Mar. 31, 2014 Federal-Mogul [Member]	Dec. 06, 2013 Federal-Mogul [Member] Principal Owners and Affiliates [Member]	Mar. 31, 2014 Investment Funds [Member] Principal Owners and Affiliates [Member]	Dec. 31, 2013 Investment Funds [Member] Principal Owners and Affiliates [Member]	Mar. 31, 2014 Investment Funds [Member] Principal Owners and Affiliates [Member] Investment in Funds [Member]	Dec. 31, 2013 Investment Funds [Member] Principal Owners and Affiliates [Member] Investment in Funds [Member]	Mar. 31, 2014 ARI [Member]	Mar. 31, 2014 ARI [Member] ACF [Member] Railcar Sales [Member]	Mar. 31, 2013 ARI [Member] ACF [Member] Railcar Sales [Member]	Mar. 31, 2014 AEP Leasing [Member] ACF [Member]	Mar. 31, 2014 AEP Leasing [Member] ACF [Member] Railcar Sales [Member]	Mar. 31, 2014 AEP Leasing [Member] ACF [Member] Purchase of railcars [Member]	Oct. 02, 2013 Railcar Segment [Member] New ARL [Member] [Member]
Related Party Transaction [Line Items]
Related party transaction, balance							$ 4,600,000,000	$ 4,700,000,000
Percentage fair value of investments in Funds that is attributable to Mr. Icahn					50.00%	56.00%
Expenses charged by related party	16,000,000	27,000,000
Funding Commitment, Total Amount				1,600,000,000
Related Party Transaction, Other Revenues from Transactions with Related Party										5,700,000	200,000
Unrecorded Unconditional Purchase Obligation, Minimum Quantity Required														1,050
Related Party Transaction, Expenses from Transactions with Related Party													28,000,000
Unrecorded Unconditional Purchase Obligation														150,000,000
Option to purchase additinal railcars, number of cars												500
Option to purchase additional railcars												$ 70,000,000
Percentage of equity ownership in subsidiary			80.70%						55.60%						75.00%