DEBT - Narrative (Details) - CAD ($)	1 Months Ended		6 Months Ended
	Jul. 31, 2023	Mar. 31, 2023	Jun. 30, 2023	Feb. 28, 2023	Dec. 31, 2022
Line of Credit Facility [Line Items]
Commitment fee percentage			0.10%
Long-term debt			$ 72,530,000,000		$ 72,939,000,000
Long-term debt, fair value adjustment			565,000,000		608,000,000
Commercial paper and credit facility draws
Line of Credit Facility [Line Items]
Long-term debt			9,500,000,000		10,500,000,000
Fixed-to-floating subordinated term notes | Subordinated term notes
Line of Credit Facility [Line Items]
Subordinated debt			9,400,000,000		10,300,000,000
Committed credit facilities
Line of Credit Facility [Line Items]
Amount of credit facility			$ 21,763,000,000
Term out option period			1 year
Unutilized amount of facility			$ 11,382,000,000
Committed credit facilities | Enbridge Gas Inc.
Line of Credit Facility [Line Items]
Amount of credit facility			2,500,000,000
Unutilized amount of facility			1,650,000,000
Committed credit facilities | Enbridge Gas Inc. | 364-day extendible credit facility
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)		364 days
Amount of credit facility		$ 2,500,000,000		$ 2,000,000,000
Term out option period		1 year
Committed credit facilities | Enbridge Pipelines Inc.
Line of Credit Facility [Line Items]
Amount of credit facility			2,000,000,000
Unutilized amount of facility			1,070,000,000
Committed credit facilities | Enbridge Pipelines Inc. | 364-day extendible credit facility | Subsequent event
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)	364 days
Term out option period	1 year
Revolving credit facility | 364-day extendible credit facility | Subsequent event
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)	364 days
Amount of credit facility	$ 6,800,000,000
Term out option period	1 year
Revolving credit facility | Sustainability-linked Credit Facility | Subsequent event
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)	5 years
Amount of credit facility	$ 7,600,000,000
Revolving credit facility | Term Loan Maturing In July 2026 | Subsequent event
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)	3 years
Uncommitted demand credit facilities
Line of Credit Facility [Line Items]
Amount of credit facility			1,300,000,000		1,300,000,000
Unutilized amount of facility			$ 723,000,000		$ 689,000,000