XML 23 R33.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Investments and Related Matters (Tables) (Other Segments [Member]) | 6 Months Ended
--- | ---
Jun. 30, 2012
Other Segments [Member] |
Investment and Related Matters [Line Items] |
Investment | The carrying value of investments held by our Automotive, Gaming, Railcar, Home Fashion segments and Holding Company consist of the following:
| June 30, 2012 |  | December 31, 2011
| (in millions)
Equity method investments | $ | 308 |  |  | $ | 286 |
Other investments | 96 |  |  | 204 |
| $ | 404 |  |  | $ | 490 |

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