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Debt Table (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Debt	$ 11,119	$ 12,594
Holding Company
Debt Instrument [Line Items]
Debt	5,490	5,486
Automotive Segment
Debt Instrument [Line Items]
Debt	3,259	3,135
Energy Segment
Debt Instrument [Line Items]
Debt	1,165	667
Railcar Segment
Debt Instrument [Line Items]
Debt	571	2,671
Gaming Segment
Debt Instrument [Line Items]
Debt	287	289
Food Packaging Segment
Debt Instrument [Line Items]
Debt	265	267
Senior unsecured notes | Holding Company | 5.875% senior unsecured notes due 2022 - Icahn Enterprises/Icahn Enterprises Holdings
Debt Instrument [Line Items]
Debt	1,340	1,338
Senior unsecured notes | Holding Company | 6.00% senior unsecured notes due 2020 - Icahn Enterprises/Icahn Enterprises Holdings
Debt Instrument [Line Items]
Debt	1,705	1,706
Senior unsecured notes | Holding Company | 4.875% senior unsecured notes due 2019 - Icahn Enterprises/Icahn Enterprises Holdings
Debt Instrument [Line Items]
Debt	1,271	1,270
Senior unsecured notes | Holding Company | 3.50% senior unsecured notes due 2017 - Icahn Enterprises/Icahn Enterprises Holdings
Debt Instrument [Line Items]
Debt	1,174	1,172
Debt and credit facilities | Automotive Segment
Debt Instrument [Line Items]
Debt	3,249	3,121
Debt and credit facilities | Energy Segment
Debt Instrument [Line Items]
Debt	1,118	619
Debt and credit facilities | Railcar Segment
Debt Instrument [Line Items]
Debt	571	2,671
Debt and credit facilities | Gaming Segment
Debt Instrument [Line Items]
Debt	287	289
Debt and credit facilities | Food Packaging Segment
Debt Instrument [Line Items]
Debt	265	267
Capital leases and other debt obligations
Debt Instrument [Line Items]
Debt	$ 139	$ 141

X

- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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