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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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Investment in related parties.

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

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

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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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Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 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		$ 5,000
Percentage fair value of investments in Funds that is attributable to Mr. Icahn	54.00%		54.00%
Consolidated VIE \| Expense sharing arrangement
Related Party Transaction [Line Items]
Amount of transaction with related party	$ 5	(6)
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		$ 14
767 Leasing \| Automotive Segment
Related Party Transaction [Line Items]
Investment in non-consolidated VIE during the period	11
Investment balance in non-consolidated VIE as of end of period period	28		$ 40
Brett Icahn
Related Party Transaction [Line Items]
Amount contributed in accordance with manager agreement	40
Investment funds total fair value	$ 59