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Decrease in redeemable noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

No definition available.

Name:	enb_MinorityInterestDecreaseFromDistributionsToRedeemableNoncontrollingInterestHolders
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- References

No definition available.

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Net of tax and reclassification adjustments amount of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges, which is attributable to redeemable noncontrolling interests. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

No definition available.

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Net of tax and reclassification adjustments amount of the change in accumulated gain (loss) from foreign currency translation, which is attributable to redeemable noncontrolling interests.

No definition available.

Name:	enb_OtherComprehensiveIncomeForeignCurrencyTranslationNetOfTaxPortionAttributableToRedeemableNoncontrollingInterest
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This element represents net of tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges realized in net income, attributable to redeemable noncontrolling interest.

No definition available.

Name:	enb_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTaxPortionAttributableToRedeemableNonControllingInterest
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This element represents net of tax amount of the income statement impact of the reclassification adjustment of accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges unrealized in net income, attributable to redeemable noncontrolling interest.

No definition available.

Name:	enb_OtherComprehensiveIncomeReclassificationToEarningsOfUnrealizedCashFlowHedgesNetOfTaxPortionAttributableToRedeemableNonControllingInterest
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Net of tax amount of the redeemable non-controlling appreciation (loss) in the value of unsold equity investees. Excludes amounts related to other than temporary impairment (OTTI) losses.

No definition available.

Name:	enb_OtherComprehensiveRedeemableNonControllingInterestIncomeLossEquityInvesteesAdjustmentNetOfTax
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Data Type:	xbrli:monetaryItemType
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Represents an increase in redeemable noncontrolling interest from issuance of additional equity interests to noncontrolling interest holders or the sale of a portion of the parent's controlling interest.

No definition available.

Name:	enb_RedeemableMinorityInterestIncreaseFromStockIssuance
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

This element represents the increase/(decrease) in redeemable non-controlling earnings that occurs through equity investments for Enbridge Income Fund.

No definition available.

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Data Type:	xbrli:monetaryItemType
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This element represents the increase/(decrease) in redeemable non-controlling earnings that occurs through indirect equity investments for Enbridge Income Fund.

No definition available.

Name:	enb_RedeemableNonControllingDilutionGainsFromEnbridgeIncomeFundIndirectEquityInvestments
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Data Type:	xbrli:monetaryItemType
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This element represents the increase/(decrease) in redeemable non-controlling earnings that occurs through the issuance of additional shares for Enbridge Income Fund.

No definition available.

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Represents the amount of redeemable non-controlling reversal of cumulative redemption value adjustments.

No definition available.

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- References

No definition available.

Name:	enb_RedeemableNoncontrollingInterestAdditionalDisclosureAbstract
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Represents the ownership interest that was transferred between segments.

No definition available.

Name:	enb_SegmentReportingOwnershipInterestTransferredAmongSegments
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Period Type:	duration

Represents the amount of consideration transferred between segments

No definition available.

Name:	enb_TransferConsiderationAmountBetweenSegments
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Period Type:	duration

Represents the amount of consideration transferred between segments relating to cash portion.

No definition available.

Name:	enb_TransferConsiderationAmountBetweenSegmentsCashPortion
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Data Type:	xbrli:monetaryItemType
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Represents the amount of consideration transferred between segments relating to debt portion received.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Represents the amount of consideration transferred between segments relating to debt portion received interest rate.

No definition available.

Name:	enb_TransferConsiderationAmountBetweenSegmentsDebtPortionReceivedInterestRate
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the amount of consideration transferred between segments relating to preferred units received.

No definition available.

Name:	enb_TransferConsiderationAmountBetweenSegmentsPreferredUnitsReceived
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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Data Type:	num:percentItemType
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Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph 15
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

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Data Type:	num:percentItemType
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Period Type:	instant

Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.19)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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The cash inflow from the additional capital contribution to the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
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-Section S99
-Paragraph 3A
-Subparagraph (12)(c)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	dei_LegalEntityAxis=enb_EnbridgeIncomeFundMember
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Data Type:	na
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Name:	us-gaap_CounterpartyNameAxis=enb_EnbridgeInc.AsCounterpartyMember
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Name:	dei_LegalEntityAxis=enb_EnbridgeCommercialTrustMember
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