XML 75 R35.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Investments and Related Matters (Tables) (Other Segments [Member]) | 12 Months Ended
--- | ---
Dec. 31, 2013
Other Segments [Member] |
Investment and Related Matters [Line Items] |
Investment | The carrying value of investments held by our Automotive, Energy, Railcar, Gaming, Home Fashion segments and the Holding Company consist of the following:
| December 31,
| 2013 |  | 2012
| (in millions)
Equity method investments | $ | 284 |  |  | $ | 299 |
Other investments | 151 |  |  | 108 |
| $ | 435 |  |  | $ | 407 |

X
- Details
Name: | iep_InvestmentAndRelatedMattersLineItems
Namespace Prefix: | iep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A table of investments, shown as a text block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 6 -Section 10 -Paragraph (c) -Subparagraph (1) + Details
Name: | invest_InvestmentTableTextBlock
Namespace Prefix: | invest_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration