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Segment Reporting (Policies) | 9 Months Ended
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Sep. 30, 2015
Segment Reporting [Abstract] |
Determination of what constitutes a segment [Policy Text Block] | Our determination of what constitutes an operating segment is based on the various industries in which our businesses operate and how we manage those businesses in accordance with our investment strategy. We assess and measure segment operating results based on net income from continuing operations attributable to Icahn Enterprises and Icahn Enterprises Holdings, as disclosed below.

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- Definition Disclosure of accounting policy for segment reporting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=51655414&loc=d3e18780-107790 + Details
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