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DEBT - Fair Value Adjustment (Details) - CAD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Disclosure [Abstract]
Amortization of fair value adjustment	$ 11	$ 11	$ 22	$ 22

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- 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

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- References

No definition available.

+ Details

Name:	us-gaap_DebtDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration