DEBT - Narrative (Details) ¥ in Billions, $ in Billions					2 Months Ended	3 Months Ended		9 Months Ended
	Jun. 23, 2022 CAD ($)	May 24, 2022 USD ($)	May 17, 2022 CAD ($)	Feb. 10, 2022 CAD ($)	Aug. 31, 2022 CAD ($)	Sep. 30, 2022 CAD ($)	Sep. 30, 2021 CAD ($)	Sep. 30, 2022 CAD ($)	Sep. 30, 2021 CAD ($)	Sep. 30, 2022 USD ($)	Jul. 31, 2022 CAD ($)	May 17, 2022 JPY (¥)	Jan. 31, 2022 CAD ($)	Dec. 31, 2021 CAD ($)
Line of Credit Facility [Line Items]
Commitment fee percentage								0.10%
Long-term debt						$ 73,960,000,000		$ 73,960,000,000						$ 67,961,000,000
Long-term debt, fair value adjustment						630,000,000		630,000,000						667,000,000
Amortization of fair value adjustment						11,000,000	$ 11,000,000	33,000,000	$ 36,000,000
Enbridge Inc.
Line of Credit Facility [Line Items]
Principal amount of debt						1,400,000,000		1,400,000,000		$ 2.6
364 Day Extendible Credit Facilities
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)	364 days
Amount of credit facility	$ 5,500,000,000
Term out option period	1 year
Commercial paper and credit facility draws
Line of Credit Facility [Line Items]
Long-term debt						11,900,000,000		11,900,000,000						11,300,000,000
5.00% hybrid fixed-to-fixed subordinated notes due January 2082 | Enbridge Inc.
Line of Credit Facility [Line Items]
Principal amount of debt													$ 750,000,000
Fixed-to-floating subordinated term notes | Subordinated term notes
Line of Credit Facility [Line Items]
Subordinated debt						10,400,000,000		10,400,000,000
Fixed-to-fixed subordinated term notes | Subordinated term notes
Line of Credit Facility [Line Items]
Subordinated debt														7,700,000,000
Revolving credit facility
Line of Credit Facility [Line Items]
Line of credit facility, increase					$ 641,000,000
Revolving credit facility | Sustainability-linked Credit Facility
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)				3 years
Amount of credit facility				$ 1,000,000,000	$ 12,700,000,000						$ 12,700,000,000
Term Loan Maturing In May 2025 | Three Year Term Loan | Term Loan
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)			3 years
Amount of credit facility			$ 806,000,000									¥ 84.8
Term Loan Matured In May 2022 | Term Loan
Line of Credit Facility [Line Items]
Amount of credit facility			$ 499,000,000									¥ 52.5
Term Loan Maturing In 2023 | 364-Day Term Loan | Term Loan
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)		364 days
Amount of credit facility		$ 1.9
Uncommitted demand credit facilities
Line of Credit Facility [Line Items]
Amount of credit facility						1,300,000,000		1,300,000,000						1,300,000,000
Unutilized amount of facility						$ 780,000,000		$ 780,000,000						$ 854,000,000