XML 53 R40.htm IDEA: XBRL DOCUMENT
v3.20.2

DEBT - Narrative (Details) |  |  |  |  |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 24, 2020 CAD ($) | Jul. 08, 2020 USD ($) | Mar. 31, 2020 CAD ($) | Feb. 25, 2020 USD ($) credit_facility | Feb. 24, 2020 USD ($) | Jun. 30, 2020 CAD ($) | Jun. 30, 2020 CAD ($) | Apr. 09, 2020 CAD ($) | Dec. 31, 2019 CAD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Commitment fee percentage |  |  |  |  |  |  | 0.20% |  |
Long-term debt |  |  |  |  |  | $ 63,680,000,000 | $ 63,680,000,000 |  | $ 59,661,000,000
Long-term debt, fair value adjustment |  |  |  |  |  |  | 810,000,000 |  |
Amortization of fair value adjustment |  |  |  |  |  | 14,000,000 | 29,000,000 |  |
Commercial paper and credit facility draws |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  | 9,365,000,000 | 9,365,000,000 |  | 8,974,000,000
60-year Hybrid Subordinated Notes | Subordinated term notes | Subsequent event |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Term of debt instrument |  | 60 years |  |  |  |  |  |  |
Principal amount of debt |  | $ 1,000,000,000.0 |  |  |  |  |  |  |
Earliest redemption year |  | 10 years |  |  |  |  |  |  |
60-year Hybrid Subordinated Notes | Subordinated term notes | Initial 10 years | Subsequent event |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Initial period with a fixed interest rate |  | 10 years |  |  |  |  |  |  |
Interest rate (as a percent) |  | 5.75% |  |  |  |  |  |  |
60-year Hybrid Subordinated Notes | Subordinated term notes | Years 10 to 30 | 5-year United States Treasury rate | Subsequent event |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Spread on variable rate (percent) |  | 5.31% |  |  |  |  |  |  |
Variable rate reset period |  | 5 years |  |  |  |  |  |  |
60-year Hybrid Subordinated Notes | Subordinated term notes | Years 30 to 60 | 5-year United States Treasury rate | Subsequent event |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Spread on variable rate (percent) |  | 6.06% |  |  |  |  |  |  |
Variable rate reset period |  | 5 years |  |  |  |  |  |  |
Fixed-to-floating subordinated term notes | Subordinated term notes |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Subordinated debt |  |  |  |  |  | 6,758,000,000 | 6,758,000,000 |  | 6,550,000,000
Committed credit facilities |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Amount of credit facility |  |  |  |  |  | 24,504,000,000 | 24,504,000,000 |  |
Unutilized amount of facility |  |  |  |  |  | 14,102,000,000 | 14,102,000,000 |  |
Non-revolving credit facility |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Amount of credit facility |  |  |  |  | $ 1,000,000,000 |  |  |  |
Term of debt instrument |  |  |  |  | 2 years |  |  |  |
Non-revolving, bilateral credit facility |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Amount of credit facility |  |  |  | $ 500,000,000 |  |  |  |  |
Number of credit facilities | credit_facility |  |  |  | 2 |  |  |  |  |
Term of debt instrument |  |  |  | 1 year |  |  |  |  |
Revolving credit facility |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Amount of credit facility |  |  | $ 1,700,000,000 |  |  |  |  | $ 3,000,000,000.0 |
Term of debt instrument |  |  | 1 year |  |  |  |  |  |
Revolving credit facility | Extendible Credit Facility | Subsequent event |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Term out provision | 1 year |  |  |  |  |  |  |  |
Term of debt instrument | 364 days |  |  |  |  |  |  |  |
Portion of credit facility extended | $ 10,000,000,000 |  |  |  |  |  |  |  |
Uncommitted demand credit facilities |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Amount of credit facility |  |  |  |  |  | 795,000,000 | 795,000,000 |  | 916,000,000
Unutilized amount of facility |  |  |  |  |  | 519,000,000 | $ 519,000,000 |  | $ 476,000,000
Enbridge Pipelines Inc. | Committed credit facilities |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Term out provision |  |  |  |  |  |  | 1 year |  |
Amount of credit facility |  |  |  |  |  | 3,000,000,000 | $ 3,000,000,000 |  |
Unutilized amount of facility |  |  |  |  |  | 1,015,000,000 | $ 1,015,000,000 |  |
Enbridge Gas Inc. | Committed credit facilities |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Term out provision |  |  |  |  |  |  | 1 year |  |
Amount of credit facility |  |  |  |  |  | 2,000,000,000 | $ 2,000,000,000 |  |
Unutilized amount of facility |  |  |  |  |  | $ 1,645,000,000 | $ 1,645,000,000 |  |

X
- Definition Amortization Of Fair Value Adjustment + References No definition available. + Details
Name: | enb_AmortizationOfFairValueAdjustment
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Credit Facility, Number of Credit Facilities + References No definition available. + Details
Name: | enb_CreditFacilityNumberofCreditFacilities
Namespace Prefix: | enb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Basis Spread on Variable Rate, Reset Period + References No definition available. + Details
Name: | enb_DebtInstrumentBasisSpreadonVariableRateResetPeriod
Namespace Prefix: | enb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Minimum Redemption Period + References No definition available. + Details
Name: | enb_DebtInstrumentMinimumRedemptionPeriod
Namespace Prefix: | enb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Line of Credit Facility, Maturity Date, Term Out Provision + References No definition available. + Details
Name: | enb_LineofCreditFacilityMaturityDateTermOutProvision
Namespace Prefix: | enb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of Credit Facility, Maximum Borrowing Capacity, Amount Extended + References No definition available. + Details
Name: | enb_LineofCreditFacilityMaximumBorrowingCapacityAmountExtended
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties. + References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: 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(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 4: 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(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
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 noncurrent. + 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(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | us-gaap_DebtInstrumentAxis=enb_A60yearHybridSubordinatedNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | enb_DebtInstrumentInterestRateTermsEffectivePeriodAxis=enb_DebtInstrumentInterestRateTermsEffectivePeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | enb_DebtInstrumentInterestRateTermsEffectivePeriodAxis=enb_DebtInstrumentInterestRateTermsEffectivePeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_UsTreasuryUstInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | enb_DebtInstrumentInterestRateTermsEffectivePeriodAxis=enb_DebtInstrumentInterestRateTermsEffectivePeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_CreditFacilityAxis=enb_CommittedCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=enb_NonrevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=enb_NonRevolvingBilateralCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=enb_ExtendibleCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=enb_UncommittedCreditFacilityMember
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_EnbridgeGasInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |