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investment in related parties

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

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Related party transaction, balance

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Variable Interest Entity, Nonconsolidated, assets at VIE

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Variable Interest Entity, Nonconsolidated, liabilities at VIE

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Number of shares of equity interests issued or issuable to acquire entity.

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Fair value at acquisition-date of the assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interests issued by the acquirer, including but not limited to, instruments or interests issued or issuable in consideration for the business combination.

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

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

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Related Party Transactions (Details) - USD ($) $ in Millions		12 Months Ended
	Feb. 29, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Investments in subsidiaries prior to acquiring a controlling interest		$ 0	$ 0	$ 286
Mr. Icahn and affiliates
Related Party Transaction [Line Items]
Equity issued to acquire additional interest in consolidated subsidiary (number of units)	685,367
Investments in subsidiaries prior to acquiring a controlling interest	$ 35
Percentage of equity ownership in subsidiary			100.00%
Investment in funds \| Mr. Icahn and affiliates
Related Party Transaction [Line Items]
Amount of transaction with related party		310	$ 600	498
Related party transaction, balance		$ 5,000	$ 4,400
Percentage fair value of investments in Funds that is attributable to Mr. Icahn		50.00%	59.00%
Expense sharing arrangement \| Consolidated VIE
Related Party Transaction [Line Items]
Amount of transaction with related party		$ 12	$ 13	34
Repair services revenue from related party \| Hertz
Related Party Transaction [Line Items]
Amount of transaction with related party		40	17	3
Purchases from related party \| Hertz
Related Party Transaction [Line Items]
Amount of transaction with related party		1	2	2
Purchases from related party \| ACF
Related Party Transaction [Line Items]
Amount of transaction with related party		3	6	21
Sales to related party \| ACF
Related Party Transaction [Line Items]
Amount of transaction with related party		6	1	1
Buying group operating expenses \| Insight Portfolio Group LLC
Related Party Transaction [Line Items]
Amount of transaction with related party		4	$ 2	$ 2
Investment \| Purchases from related party \| Hertz
Related Party Transaction [Line Items]
Amount of transaction with related party		36
Automotive Segment \| 767 Leasing
Related Party Transaction [Line Items]
Variable Interest Entity, Nonconsolidated, assets at VIE		60
Variable Interest Entity, Nonconsolidated, liabilities at VIE		1
investment in nonconsolidated VIE		60
investment in related parties		$ 59