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Represents the information pertaining to investment funds total fair value.

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Investment in non consolidated VIE.

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- Definition

Investment in related parties.

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No definition available.

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

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The amount contributed by the related party under the manager agreement.

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Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest).

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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/disclosureRef
-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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Mr. Icahn and affiliates \| Investment in funds
Related Party Transaction [Line Items]
Amount of transaction with related party				$ 1,241
Related party transaction, balance	$ 5,500		$ 5,500		$ 5,000
Percentage fair value of investments in Funds that is attributable to Mr. Icahn	54.00%		54.00%		54.00%
Consolidated VIE \| Expense sharing arrangement
Related Party Transaction [Line Items]
Amount of transaction with related party	$ 2	$ 2	$ 10	(1)
Reduction in amount of transaction with related party				8
Hertz (equity method investee) \| Receipts and revenue from related party
Related Party Transaction [Line Items]
Amount of transaction with related party				$ 20
767 Leasing \| Automotive Segment
Related Party Transaction [Line Items]
Investment in non-consolidated VIE during the period	10		26
Investment balance in non-consolidated VIE as of end of period period	12		12		$ 40
Brett Icahn
Related Party Transaction [Line Items]
Amount contributed in accordance with manager agreement			68
Investment funds total fair value	$ 83		$ 83