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RETIREMENT AND POSTRETIREMENT BENEFITS (Details) | Jun. 30, 2013 item
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RETIREMENT AND POSTRETIREMENT BENEFITS |
Number of registered pension plans | 3
Number of supplemental pension plans | 4

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- Definition Represents the number of registered pension plans which provide either defined benefit or defined contribution pension benefits, or both, to employees of the entity. + References No definition available. + Details
Name: | enb_NumberOfRegisteredPensionPlans
Namespace Prefix: | enb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Represents the number of supplemental pension plans which provide pension benefits in excess of the basic plans for certain employees. + References No definition available. + Details
Name: | enb_NumberOfSupplementalPensionPlans
Namespace Prefix: | enb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration