XML 81 R71.htm IDEA: XBRL DOCUMENT v3.8.0.1

Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions	May 02, 2018	Feb. 27, 2018	Mar. 31, 2018
Subsequent Event [Line Items]
Distribution declared per LP unit		$ 1.75
Subsequent event
Subsequent Event [Line Items]
Distribution declared per LP unit	$ 1.75
Federal-Mogul
Subsequent Event [Line Items]
Aggregate consideration for business to be disposed of			$ 5,400
Tropicana
Subsequent Event [Line Items]
Aggregate consideration for business to be disposed of			$ 1,850

X

- Definition

Aggregate consideration for business to be disposed of

+ References

No definition available.

+ Details

Name:	iep_Aggregateconsiderationforbusinesstobedisposedof
Namespace Prefix:	iep_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (LP).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=iep_FederalMogulMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=iep_TropicanaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: