DEBT - Narrative (Details) $ in Millions, $ in Billions		1 Months Ended			9 Months Ended
	Sep. 08, 2023 CAD ($)	Oct. 31, 2023 CAD ($) offer	Jul. 31, 2023 CAD ($)	Mar. 31, 2023 CAD ($)	Sep. 30, 2023 CAD ($)	Sep. 30, 2023 USD ($)	Feb. 28, 2023 CAD ($)	Dec. 31, 2022 CAD ($)
Line of Credit Facility [Line Items]
Commitment fee percentage					0.10%
Long-term debt					$ 68,793			$ 72,939
Long-term debt, fair value adjustment					551			608
Public Offering
Line of Credit Facility [Line Items]
Proceeds of common shares value	$ 4,600				4,600
Commercial paper and credit facility draws
Line of Credit Facility [Line Items]
Long-term debt					2,100			10,500
Fixed-to-floating subordinated term notes | Subordinated term notes
Line of Credit Facility [Line Items]
Subordinated debt					13,200			10,300
Enbridge Gas Inc. | Subsequent event
Line of Credit Facility [Line Items]
Number of offering | offer		3
Principal amount of debt		$ 1,000
Enbridge Gas Inc. | Five-year medium term notes | Subsequent event
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)		5 years
Enbridge Gas Inc. | 10-year medium term notes | Subsequent event
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)		10 years
Enbridge Gas Inc. | 30-year medium term notes | Subsequent event
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)		30 years
Committed credit facilities
Line of Credit Facility [Line Items]
Amount of credit facility					$ 21,938
Term out option period					1 year
Unutilized amount of facility					$ 17,752
Committed credit facilities | Senior Unsecured Bridge Term Loan
Line of Credit Facility [Line Items]
Amount of credit facility						$ 9.4
Unutilized amount of facility						$ 3.4
Committed credit facilities | Enbridge Gas Inc.
Line of Credit Facility [Line Items]
Amount of credit facility					2,500
Unutilized amount of facility					915
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			$ 2,000
Term out option period				1 year
Committed credit facilities | Enbridge Pipelines Inc.
Line of Credit Facility [Line Items]
Amount of credit facility					2,000
Unutilized amount of facility					1,735
Committed credit facilities | Enbridge Pipelines Inc. | 364-day extendible credit facility
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
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)			364 days
Amount of credit facility			$ 6,800
Term out option period			1 year
Revolving credit facility | Sustainability-linked Credit Facility
Line of Credit Facility [Line Items]
Debt instrument maturity period (in year)			5 years
Amount of credit facility			$ 7,600
Revolving credit facility | Term Loan Maturing In July 2026
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			1,300
Unutilized amount of facility					$ 712			$ 689