Significant Accounting Policies (Other LTL) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014
Other Liabilities [Abstract]
Liability Assumed in Business Combination	$ 94.2

Liability assumed in the business combination related to the ongoing contract with BP

No definition available.

Name:	enlc_LiabilityAssumedinBusinessCombination
Namespace Prefix:	enlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant