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Segment Reporting (Policies)	3 Months Ended
Segment Reporting (Policies)	Mar. 31, 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.