XML 55 R42.htm IDEA: XBRL DOCUMENT
v3.23.1

RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Earnings and Comprehensive Income (Details) - CAD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Amount of unrealized gain/(loss) recognized in OCI | $ (66) | $ 385
Amount of loss reclassified from AOCI to earnings | 9 | 91
Estimated gain (loss) of AOCI related to cash flow hedges reclassified to earnings in the next 12 months | $ 20 |
Maximum term of hedging exposures to variability of cash flows | 33 months |
Unrealized gain (loss) on derivatives | $ 520 | 369
Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | 520 | 369
Foreign exchange contracts |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Amount of loss reclassified from AOCI to earnings | 0 | 13
Foreign exchange contracts | Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | 556 | 433
Foreign exchange contracts | Gas distribution sales revenues | Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | (645) | 134
Foreign exchange contracts | Other income/(expense) | Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | (89) | (299)
Interest rate contracts |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Amount of loss reclassified from AOCI to earnings | 8 | 76
Interest rate contracts | Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | 10 | 0
Commodity contracts | Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | (39) | (68)
Commodity contracts | Gas distribution sales revenues | Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | 6 | (16)
Commodity contracts | Commodity sales | Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | 69 | (16)
Commodity contracts | Commodity costs | Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | (75) | (37)
Commodity contracts | Operating and administrative expense | Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | 39 | 1
Other contracts |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Amount of loss reclassified from AOCI to earnings | 1 | 2
Other contracts | Non-Qualifying Derivative Instruments |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Unrealized gain (loss) on derivatives | (7) | 4
Cash flow hedges | Foreign exchange contracts |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Amount of unrealized gain/(loss) recognized in OCI | 0 | 2
Cash flow hedges | Interest rate contracts |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Amount of unrealized gain/(loss) recognized in OCI | (105) | 377
Cash flow hedges | Commodity contracts |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Amount of unrealized gain/(loss) recognized in OCI | 34 | 4
Cash flow hedges | Other contracts |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Amount of unrealized gain/(loss) recognized in OCI | (2) | 3
Fair value hedges | Foreign exchange contracts |  |
The Effect of Derivative Instruments on the Statements of Earnings and Comprehensive Income |  |
Amount of unrealized gain/(loss) recognized in OCI | $ 7 | $ (1)

X
- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
Name: | us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
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_DerivativeInstrumentsGainLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
Name: | us-gaap_MaximumLengthOfTimeHedgedInCashFlowHedge1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 20 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=121577181&loc=SL110061190-113977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_UnrealizedGainLossOnDerivatives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=enb_GasDistributionSalesRevenuesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=enb_OtherIncomeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=enb_CommoditySalesRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=enb_CommodityCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=enb_OperatingAndAdministrativeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_OtherContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_FairValueHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |