Represents the conversion rate for Class A units.

No definition available.

Name:	enb_ConversionRateForClassUnits
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the current distribution threshold.

+ References

No definition available.

+ Details

Name:	enb_CurrentDistributionThreshold
Namespace Prefix:	enb_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the current ownership percentage in natural gas and midstream business.

+ References

No definition available.

+ Details

Name:	enb_CurrentOwnershipInNaturalGasAndMidstreamBusiness
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of distributions received above current threshold.

+ References

No definition available.

+ Details

Name:	enb_CurrentPercentageOfDistributionsOverCurrentThreshold
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the general partner interest in MEP.

+ References

No definition available.

+ Details

Name:	enb_GeneralPartnerInterestPercentInMep
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of new Incentive Distribution Units issued.

+ References

No definition available.

+ Details

Name:	enb_IncentiveDistributionUnitsIssuedDuringPeriodNewIssues
Namespace Prefix:	enb_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount of consideration from intercompany equity issuance.

+ References

No definition available.

+ Details

Name:	enb_IntercompanyTransferConsiderationReceivedFromEquityIssuance
Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the amount of consideration from intercompany repayment of debt.

+ References

No definition available.

+ Details

Name:	enb_IntercompanyTransferConsiderationReceivedFromRepaymentOfDebt
Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the amount of consideration from intercompany transfer of assets.

+ References

No definition available.

+ Details

Name:	enb_IntercompanyTransferConsiderationReceivedOnTransferOfAssets
Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percentage of ownership that was sold.

+ References

No definition available.

+ Details

Name:	enb_InvestmentOwnershipSold
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the limited partner and all incentive distribution rights interest in MEP.

+ References

No definition available.

+ Details

Name:	enb_LimitedPartnerInterestAndAllIncentiveDistributionRightsPercentInMep
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the liquidation price of the units.

+ References

No definition available.

+ Details

Name:	enb_LiquidationPrice
Namespace Prefix:	enb_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of preferred stock held by the noncontrolling owners.

+ References

No definition available.

+ Details

Name:	enb_MinorityInterestNumberOfRedeemablePreferredSharesHeldByNoncontrollingOwners
Namespace Prefix:	enb_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the ownership percentage owned prior to the transfer.

+ References

No definition available.

+ Details

Name:	enb_OwnershipOwnedPriorToTransfer
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of distributions and allocations that for which the company has waived right to above that percentage.

+ References

No definition available.

+ Details

Name:	enb_PercentOfCashDistributionsInExcessOfThatCompanyWaivedRightsTo
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the period of for redemption to be at issuers option.

+ References

No definition available.

+ Details

Name:	enb_PeriodForRedemptionAtIssuersOption
Namespace Prefix:	enb_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the floating adjustable cumulative cash dividends on preferred stock expressed as a percentage of the prime rate.

+ References

No definition available.

+ Details

Name:	enb_PreferredStockDividendRatePercentageBasedOnPrimeRate
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of preferred shares redeemed as of the balance-sheet date.

+ References

No definition available.

+ Details

Name:	enb_PreferredStockSharesRedeemed
Namespace Prefix:	enb_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the previous distribution threshold.

+ References

No definition available.

+ Details

Name:	enb_PreviousDistributionThreshold
Namespace Prefix:	enb_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the previous ownership percentage in natural gas and midstream business.

+ References

No definition available.

+ Details

Name:	enb_PreviousOwnershipInNaturalGasAndMidstreamBusiness
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of distributions received above initial threshold.

+ References

No definition available.

+ Details

Name:	enb_PreviousPercentageOfDistributionsOverInitialThreshold
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the ownership interest that was transferred between segments.

+ References

No definition available.

+ Details

Name:	enb_SegmentReportingOwnershipInterestTransferredAmongSegments
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the ownership interest that was transferred within segments.

+ References

No definition available.

+ Details

Name:	enb_SegmentReportingOwnershipInterestTransferredWithinSegment
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of new stocks issued to underwriters under over-allotment option during the period.

+ References

No definition available.

+ Details

Name:	enb_StockIssuedToUnderwritersUnderOverAllotmentOptionDuringPeriodSharesNewIssues
Namespace Prefix:	enb_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the trailing period of time for determining liquidation price.

+ References

No definition available.

+ Details

Name:	enb_TrailingTimePeriodForDeterminationOfLiquidationPrice
Namespace Prefix:	enb_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount of consideration transferred between segments

+ References

No definition available.

+ Details

Name:	enb_TransferConsiderationAmountBetweenSegments
Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	enb_TransferConsiderationAmountBetweenSegmentsCashPortion
Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	enb_TransferConsiderationAmountBetweenSegmentsDebtPortionReceived
Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	enb_TransferConsiderationAmountBetweenSegmentsDebtPortionReceivedInterestRate
Namespace Prefix:	enb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	enb_TransferConsiderationAmountBetweenSegmentsPreferredUnitsReceived
Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	enb_TransferConsiderationAmountWithinSegmentsCashPortion
Namespace Prefix:	enb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of other increase (decrease) in additional paid in capital (APIC).

+ References

No definition available.

+ Details

Name:	us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

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=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

+ Details

Name:	us-gaap_IncreaseDecreaseInDeferredIncomeTaxes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or 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

+ Details

Name:	us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

+ 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 210.5-02.31)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 27
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 20
-Article 7

+ Details

Name:	us-gaap_MinorityInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Decrease in 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.

+ References

Reference 1: 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

Name:	us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4568740-111683

+ Details

Name:	us-gaap_MinorityInterestPeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.

+ References

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4569655-111683

+ Details

Name:	us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Description of basis of dividend, such as adjustable rate. Excludes percentage rate dividend payments or fixed dollar amounts per share.

+ References

+ Details

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

- Definition

The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644

+ Details

Name:	us-gaap_PreferredStockRedemptionPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

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=56944662&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

+ Details

Name:	us-gaap_ProceedsFromIssuanceOrSaleOfEquity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: 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

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30
-Article 5

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=enb_EnbridgeIncomeFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=enb_UnitedStatesSegmentOfAlliancePipelineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesEPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CounterpartyNameAxis=enb_EnbridgeEnergyPartnersLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	enb_InvestmentNameAxis=enb_AlbertaClipperPipelineInvestmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_PreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	us-gaap_CounterpartyNameAxis=enb_EnbridgeCommercialTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_CounterpartyNameAxis=enb_EnbridgeIncomePartnersLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

NONCONTROLLING INTERESTS - NONCONTROLLING INFORMATION (Details) CAD / shares in Units, $ / shares in Units, CAD in Millions, $ in Millions									1 Months Ended		12 Months Ended
	Mar. 13, 2015 USD ($)	Mar. 13, 2015 CAD	Jan. 02, 2015 USD ($) $ / shares	Jan. 02, 2015 CAD	Jul. 01, 2014 USD ($) $ / shares shares	Jul. 01, 2014 CAD shares	Nov. 13, 2013 USD ($) shares	Nov. 13, 2013 CAD shares	Nov. 30, 2015 CAD	Nov. 30, 2014 CAD	Dec. 31, 2015 CAD CAD / shares shares	Dec. 31, 2014 CAD shares	Dec. 31, 2013 CAD shares
NONCONTROLLING INTERESTS
Noncontrolling interests											CAD 1,300	CAD 2,015
Common shares issued											57	CAD 478	CAD 628
The fund
NONCONTROLLING INTERESTS
Ownership interest percentage held by noncontrolling owners									40.70%	70.60%			68.60%
The fund \| United States segment of Alliance Pipeline
NONCONTROLLING INTERESTS
Ownership percentage transfer between segments										50.00%
Total consideration										CAD 1,800
Consideration cash portion										421
Consideration debt portion received										CAD 878
Consideration debt portion received interest rate										5.50%
Consideration preferred units portion received										CAD 461
Preference Shares, Series E
NONCONTROLLING INTERESTS
Conversion rate for Class A units			100.00%	100.00%
Period for redemption at the issuers option			30 years	30 years
Liquidation price (in dollars per share) \| $ / shares			$ 38.31
Trailing period for determination of liquidation price			5 days	5 days
Common shares
NONCONTROLLING INTERESTS
Shares issued, Number of Shares \| shares												9,000,000	13,000,000
Common shares issued											0	CAD 460	CAD 600
Enbridge Energy Partners, L.P.
NONCONTROLLING INTERESTS
Consideration received			$ 1,000	CAD 1,100
Debt repayment amount			306	359
Enbridge Energy Partners, L.P. \| Preference Shares, Series E
NONCONTROLLING INTERESTS
Equity issued			$ 694	CAD 814
Enbridge Energy Partners, L.P. \| Alberta Clipper Pipeline
NONCONTROLLING INTERESTS
Investment ownership percentage transferred			66.70%	66.70%
Enbridge Energy Partners, L.P.
NONCONTROLLING INTERESTS
Noncontrolling interests											CAD 412	CAD 748
Previous ownership percentage in natural gas and midstream business					61.00%	61.00%	61.00%	61.00%
Current ownership percentage in natural gas and midstream business					48.00%	48.00%
Ownership interest percentage held by noncontrolling owners											80.00%	79.50%
Percent of distributions and allocations above this amount that the Company has waived rights to					2.00%	2.00%
Contributions from unitholders	$ 289	CAD 366
Shares issued, Number of Shares \| shares					66,100,000	66,100,000
IDU issued \| shares					1,000	1,000
Previous percentage of distributions received					48.00%	48.00%
Previous distribution threshold \| $ / shares					$ 0.495
Current percentage of distributions received					23.00%	23.00%
Current distribution threshold \| $ / shares					$ 0.5435
Decrease in noncontrolling interest				CAD 304		CAD 2,363
Increase to additional paid in capital				218		1,601
Increase to deferred income taxes				CAD 86		CAD 762
Distributions to unitholders											CAD 630	CAD 504	463
GP interest percent in EEP	2.00%	2.00%
GP interest percent in MEP					2.00%	2.00%	2.00%	2.00%
Limited partner interest and all incentive distribution rights of (IDR) percent in MEP					52.00%	52.00%	52.00%	52.00%
Ownership percentage transfer within segments					12.60%	12.60%
Consideration cash portion					$ 350	CAD 376
Enbridge Energy Partners, L.P. \| Alberta Clipper Pipeline
NONCONTROLLING INTERESTS
Ownership percent before transfer			33.30%	33.30%
Enbridge Energy Management, L.L.C. (EEM)
NONCONTROLLING INTERESTS
Noncontrolling interests											CAD 203	CAD 790
Ownership interest percentage held by noncontrolling owners											88.30%	88.30%
Contributions from unitholders													CAD 523
Enbridge Gas Distribution Inc. preferred shares
NONCONTROLLING INTERESTS
Number of cumulative redeemable preferred shares held by third parties \| shares											4,000,000
Floating adjustable cumulative cash dividends as a percentage of prime rate											80.00%
Floating adjustable cumulative cash dividend variable rate											Prime
Redemption price per share (in dollars per shares) \| CAD / shares											CAD 25
Preferred shares redeemed (in shares) \| shares											0
Enbridge Gas Distribution Inc. preferred shares \| Preference shares
NONCONTROLLING INTERESTS
Noncontrolling interests											CAD 100	CAD 100
Enbridge Gas Distribution Inc. preferred shares \| Common shares
NONCONTROLLING INTERESTS
Ownership percentage in subsidiary											100.00%
Renewable Energy Assets Member
NONCONTROLLING INTERESTS
Noncontrolling interests											CAD 561	351
Other Noncontrolling Interest
NONCONTROLLING INTERESTS
Noncontrolling interests											CAD 24	CAD 26
MEP
NONCONTROLLING INTERESTS
Ownership interest percentage held by noncontrolling owners							39.00%	39.00%
Proceeds from issuance of equity							$ 355	CAD 372
MEP \| Class A common units
NONCONTROLLING INTERESTS
Shares issued, Number of Shares \| shares							18,500,000	18,500,000
Shares issued to underwriters under over-allotment option \| shares							2,800,000	2,800,000
Enbridge Income Fund Holdings Inc
NONCONTROLLING INTERESTS
Ownership Interest (as a percent)									19.90%	19.90%
Common shares issued									CAD 174	CAD 84
Enbridge Income Fund Holdings Inc \| The fund
NONCONTROLLING INTERESTS
Proceeds from issuance of equity									874	421
Common shares issued									700	CAD 337
The fund \| Enbridge Commercial Trust
NONCONTROLLING INTERESTS
Proceeds from issuance of equity									874
Enbridge Commercial Trust \| Enbridge Income Partners LP
NONCONTROLLING INTERESTS
Proceeds from issuance of equity									CAD 874