XML 135 R112.htm IDEA: XBRL DOCUMENT
v3.25.0.1

DEBT - Schedule of Debt (Details) € in Millions, $ in Millions, $ in Billions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 CAD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 EUR (€) | Dec. 31, 2023 CAD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 EUR (€)
DEBT |  |  |  |  |  |
Total debt | $ 101,672 |  |  | $ 81,199 |  |
Fair value adjustment | (468) |  |  | 514 |  |
Other | (522) |  |  | (439) |  |
Current maturities | (7,729) |  |  | (6,084) |  |
Short-term borrowings | (529) |  |  | (400) |  |
Long-term debt | 93,414 |  |  | 74,715 |  |
Long-term debt | $ 40,000 | $ 43 | € 316 | $ 37,000 | $ 33 | € 359
Weighted average interest rate (as a percent) | 3.40% | 3.40% | 3.40% | 5.20% | 5.20% | 5.20%
US dollar senior notes | Enbridge Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.80% | 4.80% | 4.80% |  |  |
Total debt | $ 19,703 |  |  | $ 14,636 |  |
Medium-term notes | Enbridge Gas Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.10% | 4.10% | 4.10% |  |  |
Total debt | $ 9,970 |  |  | 10,185 |  |
Medium-term notes | Enbridge Pipelines Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.20% | 4.20% | 4.20% |  |  |
Total debt | $ 5,425 |  |  | 5,425 |  |
Carrying value | $ 100 |  |  |  |  |
Medium-term notes | Westcoast Energy Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 5.40% | 5.40% | 5.40% |  |  |
Total debt | $ 875 |  |  | 1,225 |  |
Medium-term notes | Enbridge Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.50% | 4.50% | 4.50% |  |  |
Total debt | $ 9,900 |  |  | 8,598 |  |
Sustainability-linked bonds | Enbridge Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.70% | 4.70% | 4.70% |  |  |
Total debt | $ 7,146 |  |  | 6,751 |  |
Fixed-to-fixed subordinated term notes | Enbridge Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 7.40% | 7.40% | 7.40% |  |  |
Total debt | $ 9,372 |  |  | 7,156 |  |
Fixed-to-fixed subordinated term notes | Enbridge Inc. | Initial Period |  |  |  |  |  |
DEBT |  |  |  |  |  |
Term of fixed rate (in years) | 5 years |  |  |  |  |
Fixed-to-fixed subordinated term notes | Enbridge Inc. | Period Two |  |  |  |  |  |
DEBT |  |  |  |  |  |
Term of fixed rate (in years) | 5 years 6 months |  |  |  |  |
Fixed-to-fixed subordinated term notes | Enbridge Inc. | Period Three |  |  |  |  |  |
DEBT |  |  |  |  |  |
Term of fixed rate (in years) | 9 years 9 months |  |  |  |  |
Fixed-to-fixed subordinated term notes | Enbridge Inc. | Period Four |  |  |  |  |  |
DEBT |  |  |  |  |  |
Term of fixed rate (in years) | 10 years |  |  |  |  |
Fixed-to-floating rate subordinated term notes | Enbridge Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 5.80% | 5.80% | 5.80% |  |  |
Total debt | $ 6,139 |  |  | 5,828 |  |
Fixed-to-floating rate subordinated term notes | Enbridge Inc. | Initial Period |  |  |  |  |  |
DEBT |  |  |  |  |  |
Term of fixed rate (in years) | 5 years |  |  |  |  |
Fixed-to-floating rate subordinated term notes | Enbridge Inc. | Period Two |  |  |  |  |  |
DEBT |  |  |  |  |  |
Term of fixed rate (in years) | 10 years |  |  |  |  |
Floating rate notes | Enbridge Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Total debt | $ 0 |  |  | 791 |  |
Fixed-to-floating non-call notes | Enbridge Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) |  |  |  |  |  |
Total debt | $ 0 |  |  | 923 |  |
Commercial paper and credit facility draws | Enbridge (U.S.) Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.80% | 4.80% | 4.80% |  |  |
Total debt | $ 4,707 |  |  | 670 |  |
Commercial paper and credit facility draws | Enbridge Gas Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 3.40% | 3.40% | 3.40% |  |  |
Total debt | $ 530 |  |  | 400 |  |
Commercial paper and credit facility draws | Enbridge Pipelines Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 3.80% | 3.80% | 3.80% |  |  |
Total debt | $ 509 |  |  | 449 |  |
Commercial paper and credit facility draws | Enbridge Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 3.70% | 3.70% | 3.70% |  |  |
Total debt | $ 5,843 |  |  | 3,177 |  |
Senior notes | Enbridge Energy Partners, L.P. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 6.50% | 6.50% | 6.50% |  |  |
Total debt | $ 3,524 |  |  | 3,231 |  |
Senior notes | Enbridge Pipelines (Southern Lights) L.L.C. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.00% | 4.00% | 4.00% |  |  |
Total debt | $ 736 |  |  | 791 |  |
Senior notes | Enbridge Southern Lights LP |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.00% | 4.00% | 4.00% |  |  |
Total debt | $ 183 |  |  | 214 |  |
Senior notes | Spectra Energy Capital, LLC |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 7.10% | 7.10% | 7.10% |  |  |
Total debt | $ 248 |  |  | 228 |  |
Senior notes | Algonquin Gas Transmission, LLC |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.40% | 4.40% | 4.40% |  |  |
Total debt | $ 1,222 |  |  | 1,121 |  |
Senior notes | East Tennessee Natural Gas, LLC |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 5.70% | 5.70% | 5.70% |  |  |
Total debt | $ 662 |  |  | 251 |  |
Senior notes | Texas Eastern Transmission, LP |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.70% | 4.70% | 4.70% |  |  |
Total debt | $ 3,667 |  |  | 3,362 |  |
Senior notes | Spectra Energy Partners, LP |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.20% | 4.20% | 4.20% |  |  |
Total debt | $ 3,164 |  |  | 4,220 |  |
Senior notes | Blauracke GmbH |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 2.10% | 2.10% | 2.10% |  |  |
Total debt | $ 471 |  |  | 521 |  |
Senior notes | The East Ohio Gas Company |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 3.10% | 3.10% | 3.10% |  |  |
Total debt | $ 3,308 |  |  | 0 |  |
Senior notes | Questar Gas Company |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.20% | 4.20% | 4.20% |  |  |
Total debt | $ 2,028 |  |  | 0 |  |
Senior notes | Public Service Company of North Carolina, Incorporated |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 5.00% | 5.00% | 5.00% |  |  |
Total debt | $ 1,798 |  |  | 0 |  |
Senior notes | Enbridge Holdings (Tomorrow RNG), LLC |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 4.90% | 4.90% | 4.90% |  |  |
Total debt | $ 817 |  |  | 0 |  |
Debentures | Enbridge Gas Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 8.70% | 8.70% | 8.70% |  |  |
Total debt | $ 125 |  |  | 210 |  |
Debentures | Enbridge Pipelines Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) |  |  |  |  |  |
Total debt | $ 0 |  |  | 200 |  |
Debentures | Westcoast Energy Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Weighted average interest rate (as percent) | 8.10% | 8.10% | 8.10% |  |  |
Total debt | $ 275 |  |  | 275 |  |
Other | Enbridge (U.S.) Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Total debt | 276 |  |  | 263 |  |
Other | Enbridge Gas Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Total debt | 1 |  |  | 2 |  |
Other | Enbridge Pipelines Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Total debt | 2 |  |  | 4 |  |
Other | The East Ohio Gas Company |  |  |  |  |  |
DEBT |  |  |  |  |  |
Total debt | 24 |  |  | 0 |  |
Other | Enbridge Inc. |  |  |  |  |  |
DEBT |  |  |  |  |  |
Total debt | $ 12 |  |  | $ 17 |  |

X
- Definition Fair value adjustment to determine amount of long-term debt acquired at the acquisition date, related to rate-regulated entities, with a regulatory offset in noncurrent assets. + References No definition available. + Details
Name: | enb_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermDebtFairValueAdjustmentRateRegulatedEntities
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt Instrument, Term Of Fixed Interest Rate + References No definition available. + Details
Name: | enb_DebtInstrumentTermOfFixedInterestRate
Namespace Prefix: | enb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | enb_LongTermAndShortTermDebtLineItems
Namespace Prefix: | enb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the portion of carrying value of debt instrument. + References No definition available. + Details
Name: | enb_PortionOfCarryingValueOfDebtInstrument
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of short-term and long-term debt and lease obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_DebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482949/835-30-55-8 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-1A + Details
Name: | us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of long-term debt and lease obligation, classified as noncurrent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_LongTermDebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt and lease obligation, classified as current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_ShortTermBorrowings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Weighted average interest rate of short-term debt outstanding calculated at point in time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-7 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_ShortTermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=enb_TermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_MediumTermNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=enb_EnbridgeGasInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=enb_SustainabilityLinkedBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=enb_FixedToFixedTermSubordinatedTermNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | enb_DebtInstrumentInterestRateTermsAxis=enb_DebtInstrumentInterestRateTermsPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | enb_DebtInstrumentInterestRateTermsAxis=enb_DebtInstrumentInterestRateTermsPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | enb_DebtInstrumentInterestRateTermsAxis=enb_DebtInstrumentInterestRateTermsPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | enb_DebtInstrumentInterestRateTermsAxis=enb_DebtInstrumentInterestRateTermsPeriodFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=enb_FixedToFloatingSubordinatedTermNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=enb_FloatingRateNoteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=enb_FixedToFloatingNonCallNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=enb_CommercialPaperAndCreditFacilityDrawsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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

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

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

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

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

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

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

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=enb_DebenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=enb_FinanceLeaseObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |