XML 61 R52.htm IDEA: XBRL DOCUMENT
v3.5.0.2

COMMITMENTS AND CONTINGENCIES (Details) CAD in Millions, $ in Millions | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2013 USD ($) item | Jun. 30, 2016 CAD | Jun. 30, 2016 USD ($) item | Jun. 30, 2016 CAD item | Apr. 30, 2011 USD ($)
CONTINGENCIES |  |  |  |  |
Aggregate limited amount for pollution liability under insurance program |  |  | $ 900 |  |
Enbridge Energy Partners, L.P. |  |  |  |  |
CONTINGENCIES |  |  |  |  |
Economic interest ownership percentage |  |  | 35.50% | 35.50% |
Tupper Main and Tupper West |  |  |  |  |
CONTINGENCIES |  |  |  |  |
Maximum committed capital funding | CAD |  | CAD 1,000 |  |  |
Lakehead System Line 6A and 6B Crude Oil Release | Enbridge Energy Partners, L.P. |  |  |  |  |
CONTINGENCIES |  |  |  |  |
Civil penalties agreed to be paid |  |  | $ 62 |  |
Estimated cost of injunctive measures under Consent Decree |  |  | 110 |  |
Line 6B Crude Oil Release |  |  |  |  |
CONTINGENCIES |  |  |  |  |
Estimated cost, net of tax | CAD |  |  |  | CAD 195 |
Amount of to date insurance claim recorded, net of tax | CAD |  |  |  | CAD 80 |
Line 6B Crude Oil Release | Enbridge Energy Partners, L.P. |  |  |  |  |
CONTINGENCIES |  |  |  |  |
Estimated cost |  |  | 1,200 |  |
Amount of to date insurance claim recorded |  |  | 547 |  |
Expected insurance recovery |  |  | 650 |  |
Insurance claim filed amount | $ 145 |  |  |  |
Number of insurer disputing claim | item | 1 |  |  |  |
Proceeds from insurance recoveries to date |  |  | $ 42 |  |
Aggregate limited amount for pollution liability under insurance program |  |  |  |  | $ 650
Number of actions or claims filed | item |  |  | 3 | 3 |
Estimated fine or penalty amount |  |  | $ 69 |  |
Civil penalties agreed to be paid |  |  | 61 |  |
Line 6A Crude Oil Release | Enbridge Energy Partners, L.P. |  |  |  |  |
CONTINGENCIES |  |  |  |  |
Civil penalties agreed to be paid |  |  | $ 1 |  |

X
- Definition Represents the percentage of economic interest held by the reporting entity. + References No definition available. + Details
Name: | enb_EconomicInterestPercentage
Namespace Prefix: | enb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the estimated cost of the injunctive measures under Consent Decree. + References No definition available. + Details
Name: | enb_EstimatedCostOfInjunctiveMeasuresUnderConsentDecree
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the estimated final fine or penalty assessed amount as of balance-sheet date. + References No definition available. + Details
Name: | enb_EstimatedLossContingencyFinePenaltyAssessedAmount
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the insurance claim filed amount. + References No definition available. + Details
Name: | enb_InsuranceClaimFiledAmount
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the insurance claim filed amount of recoveries to date. + References No definition available. + Details
Name: | enb_InsuranceClaimFiledAmountRecoveriesToDate
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The to date amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. + References No definition available. + Details
Name: | enb_InsuranceRecoveriesToDate
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The to date net of tax amount recovered from insurance. + References No definition available. + Details
Name: | enb_InsuranceRecoveriesToDateNetOfTax
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the aggregate amount of a contingent liability which is covered under the insurance program. + References No definition available. + Details
Name: | enb_LossContingenciesInsuranceCoverage
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the amount of civil penalties agreed to be paid. + References No definition available. + Details
Name: | enb_LossContingencyCivilPenaltyAmount
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reflects the estimated after-tax amount of loss from the specified contingency, as of the balance sheet date. + References No definition available. + Details
Name: | enb_LossContingencyEstimateOfPossibleLossNetOfTax
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the maximum amount of committed capital funding by the Company. + References No definition available. + Details
Name: | enb_MaximumCommittedCapitalFundingAmount
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the number of insurer that are disputing claim. + References No definition available. + Details
Name: | enb_NumberOfInsurerDisputingClaim
Namespace Prefix: | enb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_EstimatedInsuranceRecoveries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
Name: | us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=enb_EnbridgeEnergyPartnersLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=enb_TupperMainAndTupperWestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=enb_LakeheadSystemLine6And6BCrudeOilReleaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=enb_LakeheadSystemLine6BCrudeOilReleaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=enb_LakeheadSystemLine6ACrudeOilReleaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |