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RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Total Derivative Instruments (Details) - CAD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | $ 5 | $ (546)
Derivative liabilities, Total Net Derivative Instruments | 5 | (546)
Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | (326) | (1,476)
Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | 350 | 816
Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | (19) | 114
Other current assets |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 632 | 1,015
Derivative assets, Amounts Available for Offset | (148) | (223)
Derivative assets, Total Net Derivative Instruments | 484 | 792
Other current assets | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 387 | 366
Other current assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 205 | 649
Other current assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 40 | 0
Deferred amounts and other assets |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 459 | 627
Derivative assets, Amounts Available for Offset | (163) | (163)
Derivative assets, Total Net Derivative Instruments | 296 | 464
Deferred amounts and other assets | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 244 | 216
Deferred amounts and other assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 198 | 255
Deferred amounts and other assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 17 | 156
Other current liabilities |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (348) | (898)
Derivative liabilities, Amounts Available for Offset | 148 | 223
Derivative liabilities, Total Net Derivative Instruments | (200) | (675)
Other current liabilities | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (264) | (808)
Other current liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (37) | (48)
Other current liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (47) | (42)
Other long-term liabilities |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (738) | (1,290)
Derivative liabilities, Amounts Available for Offset | 163 | 163
Derivative liabilities, Total Net Derivative Instruments | (575) | (1,127)
Other long-term liabilities | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (693) | (1,250)
Other long-term liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (16) | (40)
Other long-term liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (29) | 0
Foreign exchange contracts |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | (395) | (1,327)
Derivative liabilities, Total Net Derivative Instruments | (395) | (1,327)
Foreign exchange contracts | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | (376) | (1,441)
Foreign exchange contracts | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | 0 | $ 0
Derivative Liability, Statement of Financial Position [Extensible Enumeration] |  | Other Liabilities, Noncurrent
Foreign exchange contracts | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | (19) | $ 114
Foreign exchange contracts | Other current assets |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 129 | 46
Derivative assets, Amounts Available for Offset | (16) | (41)
Derivative assets, Total Net Derivative Instruments | 113 | 5
Foreign exchange contracts | Other current assets | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 89 | 46
Foreign exchange contracts | Other current assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 0 | 0
Foreign exchange contracts | Other current assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 40 | 0
Foreign exchange contracts | Deferred amounts and other assets |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 178 | 309
Derivative assets, Amounts Available for Offset | (117) | (138)
Derivative assets, Total Net Derivative Instruments | 61 | 171
Foreign exchange contracts | Deferred amounts and other assets | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 161 | 153
Foreign exchange contracts | Deferred amounts and other assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 0 | 0
Foreign exchange contracts | Deferred amounts and other assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 17 | 156
Foreign exchange contracts | Other current liabilities |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (86) | (566)
Derivative liabilities, Amounts Available for Offset | 16 | 41
Derivative liabilities, Total Net Derivative Instruments | (70) | (525)
Foreign exchange contracts | Other current liabilities | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (39) | (524)
Foreign exchange contracts | Other current liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | 0 | 0
Foreign exchange contracts | Other current liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (47) | (42)
Foreign exchange contracts | Other long-term liabilities |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (616) | (1,116)
Derivative liabilities, Amounts Available for Offset | 117 | 138
Derivative liabilities, Total Net Derivative Instruments | (499) | (978)
Foreign exchange contracts | Other long-term liabilities | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (587) | (1,116)
Foreign exchange contracts | Other long-term liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | 0 | 0
Foreign exchange contracts | Other long-term liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (29) | 0
Interest rate contracts |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities |  | (4)
Total net financial asset/(liability) | 465 | 910
Derivative liabilities, Total Net Derivative Instruments | 465 | $ 910
Derivative Liability, Statement of Financial Position [Extensible Enumeration] |  | Other Liabilities, Noncurrent
Interest rate contracts | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities |  | $ (1)
Total net financial asset/(liability) | 66 | $ 10
Derivative Liability, Statement of Financial Position [Extensible Enumeration] |  | Other Liabilities, Noncurrent
Interest rate contracts | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities |  | $ (3)
Total net financial asset/(liability) | 399 | 900
Interest rate contracts | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities |  | 0
Total net financial asset/(liability) | 0 | $ 0
Derivative Liability, Statement of Financial Position [Extensible Enumeration] |  | Other Liabilities, Noncurrent
Interest rate contracts | Other current assets |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 263 | $ 660
Derivative assets, Amounts Available for Offset | (2) | 0
Derivative assets, Total Net Derivative Instruments | 261 | 660
Interest rate contracts | Other current assets | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 58 | 11
Interest rate contracts | Other current assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 205 | 649
Interest rate contracts | Other current assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 0 | 0
Interest rate contracts | Deferred amounts and other assets |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 213 | 254
Derivative assets, Amounts Available for Offset | (5) | 0
Derivative assets, Total Net Derivative Instruments | 208 | 254
Interest rate contracts | Deferred amounts and other assets | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 15 | 0
Interest rate contracts | Deferred amounts and other assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 198 | 254
Interest rate contracts | Deferred amounts and other assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 0 | 0
Interest rate contracts | Other current liabilities |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (2) |
Derivative liabilities, Amounts Available for Offset | 2 |
Derivative liabilities, Total Net Derivative Instruments | 0 |
Interest rate contracts | Other current liabilities | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (2) |
Interest rate contracts | Other current liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | 0 |
Interest rate contracts | Other current liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | 0 |
Interest rate contracts | Other long-term liabilities |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (9) |
Derivative liabilities, Amounts Available for Offset | 5 | 0
Derivative liabilities, Total Net Derivative Instruments | (4) | (4)
Interest rate contracts | Other long-term liabilities | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (5) |
Interest rate contracts | Other long-term liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (4) |
Interest rate contracts | Other long-term liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | 0 |
Commodity contracts |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | (66) | (139)
Derivative liabilities, Total Net Derivative Instruments | (66) | (139)
Commodity contracts | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | (17) | (54)
Commodity contracts | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | (49) | (85)
Commodity contracts | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Total net financial asset/(liability) | 0 | 0
Commodity contracts | Other current assets |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 239 | 302
Derivative assets, Amounts Available for Offset | (130) | (182)
Derivative assets, Total Net Derivative Instruments | 109 | 120
Commodity contracts | Other current assets | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 239 | 302
Commodity contracts | Other current assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 0 | 0
Commodity contracts | Other current assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 0 | 0
Commodity contracts | Deferred amounts and other assets |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 68 | 61
Derivative assets, Amounts Available for Offset | (41) | (25)
Derivative assets, Total Net Derivative Instruments | 27 | 36
Commodity contracts | Deferred amounts and other assets | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 68 | 61
Commodity contracts | Deferred amounts and other assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 0 | 0
Commodity contracts | Deferred amounts and other assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 0 | 0
Commodity contracts | Other current liabilities |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (260) | (332)
Derivative liabilities, Amounts Available for Offset | 130 | 182
Derivative liabilities, Total Net Derivative Instruments | (130) | (150)
Commodity contracts | Other current liabilities | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (223) | (284)
Commodity contracts | Other current liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (37) | (48)
Commodity contracts | Other current liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | 0 | 0
Commodity contracts | Other long-term liabilities |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (113) | (170)
Derivative liabilities, Amounts Available for Offset | 41 | 25
Derivative liabilities, Total Net Derivative Instruments | (72) | (145)
Commodity contracts | Other long-term liabilities | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (101) | (133)
Commodity contracts | Other long-term liabilities | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | (12) | (37)
Commodity contracts | Other long-term liabilities | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative liabilities | 0 | 0
Other contracts |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 1 |
Total net financial asset/(liability) | 1 | 10
Derivative assets, Amounts Available for Offset | 0 |
Derivative assets, Total Net Derivative Instruments | 1 |
Derivative liabilities, Total Net Derivative Instruments | 1 | 10
Other contracts | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 1 |
Total net financial asset/(liability) | 1 | 9
Other contracts | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 0 |
Total net financial asset/(liability) | 0 | 1
Other contracts | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets | 0 |
Total net financial asset/(liability) | $ 0 | 0
Other contracts | Other current assets |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets |  | 7
Derivative assets, Amounts Available for Offset |  | 0
Derivative assets, Total Net Derivative Instruments |  | 7
Other contracts | Other current assets | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets |  | 7
Other contracts | Other current assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets |  | 0
Other contracts | Other current assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets |  | 0
Other contracts | Deferred amounts and other assets |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets |  | 3
Derivative assets, Amounts Available for Offset |  | 0
Derivative assets, Total Net Derivative Instruments |  | 3
Other contracts | Deferred amounts and other assets | Non-Qualifying Derivative Instruments |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets |  | 2
Other contracts | Deferred amounts and other assets | Derivative Instruments Used as Cash Flow Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets |  | 1
Other contracts | Deferred amounts and other assets | Derivative Instruments Used as Fair Value Hedges | Designated as hedging instrument |  |
TOTAL DERIVATIVE INSTRUMENTS |  |
Derivative assets |  | $ 0

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, net of amounts that are available for offset but as a policy have been elected not to be offset. + References No definition available. + Details
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Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This is the amount available for offset which represents what we can offset under current guidance but as a policy have chosen not to offset, related to derivative asset. Offset amounts are determined using criteria such as events of bankruptcy or other significant credit event. + References No definition available. + Details
Name: | enb_DerivativeAssetTotalAmountsAvailableForOffset
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, net of amounts that are available for offset but as a policy have been elected not to be offset. + References No definition available. + Details
Name: | enb_DerivativeLiabilityNetOfAmountsAvailableForOffset
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This is the amount available for offset which represents what we can offset under current guidance but as a policy have chosen not to offset, related to derivative liability. Offset amounts are determined using criteria such as events of bankruptcy or other significant credit event. + References No definition available. + Details
Name: | enb_DerivativeLiabilityTotalAmountsAvailableForOffset
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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