XML 50 R40.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Changes in Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | Changes in accumulated other comprehensive loss consists of the following:
| Post-Employment Benefits, Net of Tax |  | Hedge Instruments, Net of Tax |  | Translation Adjustments and Other, Net of Tax |  | Total
| (in millions)
Balance, December 31, 2015 | $ | (632 | ) |  | $ | (25 | ) |  | $ | (800 | ) |  | $ | (1,457 | )
Other comprehensive income (loss) before reclassifications, net of tax | 1 |  |  | — |  |  | (9 | ) |  | (8 | )
Reclassifications from accumulated other comprehensive income (loss) to earnings | 16 |  |  | 2 |  |  | (1 | ) |  | 17 |
Other comprehensive income (loss), net of tax | 17 |  |  | 2 |  |  | (10 | ) |  | 9 |
Balance, September 30, 2016 | $ | (615 | ) |  | $ | (23 | ) |  | $ | (810 | ) |  | $ | (1,448 | )

X
- Definition Accumulated Other Comprehensive Income (Loss) [Abstract] + References No definition available. + Details
Name: | iep_AccumulatedOtherComprehensiveIncomeLossAbstract
Namespace Prefix: | iep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of changes in accumulated other comprehensive income [Table Text Block] + References No definition available. + Details
Name: | iep_ScheduleOfChangesInAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | iep_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration