XML 89 R100.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

LONG-TERM INVESTMENTS - Schedule of Long-Term Investments (Details) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2019
LONG-TERM INVESTMENTS |  |
Total long-term investments | $ 16,707 | $ 16,528
Enbridge Renewable Infrastructure Investments S.a.r.l. (ERII) | Canada Pension Plan Investment Board (CPPIB) |  |
LONG-TERM INVESTMENTS |  |
Ownership interest sold (percent) | 49.00% |
Direct common interest (as a percent) | 25.50% |
Noverco | Gas Distribution and Storage | Preference shares |  |
LONG-TERM INVESTMENTS |  |
OTHER LONG-TERM INVESTMENTS | $ 478 | $ 580
Gray Oak Holdings LLC |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) | 35.00% |
Gray Oak Crude Oil Pipeline |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) | 22.80% |
MarEn Bakken Company L.L.C. | Liquids Pipelines |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 75.00%
EQUITY INVESTMENTS | $ 2,039 | $ 1,892
MarEn Bakken Company L.L.C. | Bakken Pipeline Investments, LLC |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 49.00%
MarEn Bakken Company L.L.C. | Bakken Pipeline System |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 27.60%
Bakken Pipeline Investments, LLC | Bakken Pipeline System |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 75.00%
Gray Oak Holdings LLC | Liquids Pipelines |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 35.00%
EQUITY INVESTMENTS | 0 | $ 463
Seaway Crude Pipeline System | Liquids Pipelines |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
EQUITY INVESTMENTS | 3,113 | $ 2,907
Illinois Extension Pipeline Company, L.L.C. | Liquids Pipelines |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 65.00%
EQUITY INVESTMENTS | 724 | $ 662
Other equity investments | Liquids Pipelines |  |
LONG-TERM INVESTMENTS |  |
EQUITY INVESTMENTS | 97 | $ 73
Other equity investments | Liquids Pipelines | Minimum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 30.00%
Other equity investments | Liquids Pipelines | Maximum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 43.80%
Other equity investments | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
EQUITY INVESTMENTS | 6 | $ 5
Other equity investments | Gas Transmission and Midstream | Minimum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 33.30%
Other equity investments | Gas Transmission and Midstream | Maximum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
Other equity investments | Gas Distribution and Storage | Common Shares |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
EQUITY INVESTMENTS | 15 | $ 14
Other equity investments | Renewable Power Generation |  |
LONG-TERM INVESTMENTS |  |
EQUITY INVESTMENTS | 72 | $ 127
Other equity investments | Renewable Power Generation | Minimum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 21.00%
Other equity investments | Renewable Power Generation | Maximum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
Other equity investments | Eliminations and Other |  |
LONG-TERM INVESTMENTS |  |
EQUITY INVESTMENTS | 10 | $ 16
Other equity investments | Eliminations and Other | Minimum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 42.70%
Other equity investments | Eliminations and Other | Maximum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
Alliance Pipeline | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
EQUITY INVESTMENTS | 368 | $ 310
Aux Sable | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
EQUITY INVESTMENTS | 311 | $ 267
Aux Sable | Gas Transmission and Midstream | Minimum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 42.70%
Aux Sable | Gas Transmission and Midstream | Maximum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
DCP Midstream, LLC | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
EQUITY INVESTMENTS | 2,368 | $ 2,193
Gulfstream Natural Gas System, L.L.C. | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
EQUITY INVESTMENTS | 1,289 | $ 1,213
Nexus Gas Transmission, LLC | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
EQUITY INVESTMENTS | 1,757 | $ 1,778
Offshore - various joint ventures | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
EQUITY INVESTMENTS | 400 | $ 362
Offshore - various joint ventures | Gas Transmission and Midstream | Minimum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 22.00%
Offshore - various joint ventures | Gas Transmission and Midstream | Maximum |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 74.30%
PennEast Pipeline Company, LLC | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 20.00%
EQUITY INVESTMENTS | 97 | $ 106
Sabal Trail Transmission, LLC | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
EQUITY INVESTMENTS | 1,586 | $ 1,533
Southeast Supply Header L.L.C. | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
EQUITY INVESTMENTS | 519 | $ 484
Steckman Ridge LP | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 49.50%
EQUITY INVESTMENTS | 237 | $ 222
Vector Pipeline L.P. | Gas Transmission and Midstream |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 60.00%
EQUITY INVESTMENTS | $ 198 | $ 195
Noverco | Gas Distribution and Storage | Common Shares |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) | 38.90% | 38.90%
EQUITY INVESTMENTS | $ 0 | $ 95
Eolien Maritime France SAS | Renewable Power Generation |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 50.00%
EQUITY INVESTMENTS | 68 | $ 67
Enbridge Renewable Infrastructure Investments S.a.r.l. (ERII) | Renewable Power Generation |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 51.00%
EQUITY INVESTMENTS | 127 | $ 141
Rampion Offshore Wind Project | Renewable Power Generation |  |
LONG-TERM INVESTMENTS |  |
Ownership Interest (as a percent) |  | 24.90%
EQUITY INVESTMENTS | 638 | $ 600
Emerging Technologies and Other | Renewable Power Generation |  |
LONG-TERM INVESTMENTS |  |
OTHER LONG-TERM INVESTMENTS | 80 | 78
Other long-term investments | Eliminations and Other |  |
LONG-TERM INVESTMENTS |  |
OTHER LONG-TERM INVESTMENTS | $ 110 | $ 145

X
- Definition Variable Interest Entity, Qualitative or Quantitative Information, Ownership Interest Sold, Percentage + References No definition available. + Details
Name: | enb_VariableInterestEntityQualitativeorQuantitativeInformationOwnershipInterestSoldPercentage
Namespace Prefix: | enb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_EquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of long-term investments classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_OtherLongTermInvestments
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_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=enb_EnbridgeRenewableInfrastructureInvestmentsS.a.r.l.ERIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=enb_NovercoIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_GasDistributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=us-gaap_PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=enb_GrayOakHoldingsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=enb_GrayOakCrudeOilPipelineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_MaRenBakkenCompanyLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=enb_LiquidsPipelinesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=enb_BakkenPipelineInvestmentsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=enb_BakkenPipelineSystemMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_BakkenPipelineInvestmentsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_GrayOakHoldingsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_SeawayPipelineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_IllinoisExtensionPipelineCompanyLLCNotPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_OtherEquityInvesteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=enb_GasPipelinesAndProcessingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=enb_GasDistributionandStorageSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=enb_RenewablePowerGenerationSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=enb_EliminationAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_AlliancePipelineCanadaAndUsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_AuxSableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_DCPMidstreamLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_GulfstreamNaturalGasSystemLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_NexusGasTransmissionLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_OffshoreJointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_PenneastPipelineCompanyLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_SabalTrailTransmissionLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_SoutheatSupplyHeaderLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_SteckmanRidgeLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_VectorPipelineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_NovercoIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_EolienMaritimeFranceSasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_EnbridgeRenewableInfrastructureInvestmentsS.a.r.l.ERIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_RampionOffshoreWindProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_EmergingTechnologiesAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=enb_OtherEntityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |