DEBT - Schedule of Long-term Debt Issuances (Details) $ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2024 CAD ($)	Aug. 31, 2024 CAD ($)	Jul. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Apr. 30, 2024 USD ($)
Long-Term Debt
Debt Instrument [Line Items]
Principal amount	$ 5,700	$ 1,800
Enbridge Inc. | 5.25% Senior Notes Due April 2027
Debt Instrument [Line Items]
Interest rate (as a percent)						5.25%
Principal amount						$ 750
Enbridge Inc. | 5.30% Senior Notes Due April 2029
Debt Instrument [Line Items]
Interest rate (as a percent)						5.30%
Principal amount						$ 750
Enbridge Inc. | 5.63% Senior Notes Due April 2034
Debt Instrument [Line Items]
Interest rate (as a percent)						5.63%
Principal amount						$ 1,200
Enbridge Inc. | 5.95% Senior Notes Due April 2054
Debt Instrument [Line Items]
Interest rate (as a percent)						5.95%
Principal amount						$ 800
Enbridge Inc. | Fixed-to-Fixed Subordinated Notes Due March 2055
Debt Instrument [Line Items]
Interest rate (as a percent)					7.38%
Principal amount					$ 500
Enbridge Inc. | Fixed-to-Fixed Subordinated Note Due June 2054
Debt Instrument [Line Items]
Interest rate (as a percent)					7.20%
Principal amount					$ 700
Enbridge Inc. | 4.21% medium-term notes due February 2030
Debt Instrument [Line Items]
Interest rate (as a percent)			4.21%
Principal amount			$ 600
Enbridge Inc. | 4.73% medium-term notes due August 2034
Debt Instrument [Line Items]
Interest rate (as a percent)			4.73%
Principal amount			$ 800
Enbridge Inc. | 5.32% medium-term notes due August 2054
Debt Instrument [Line Items]
Interest rate (as a percent)			5.32%
Principal amount			$ 400
Enbridge Inc. | Initial Period | Fixed-to-Fixed Subordinated Notes Due March 2055
Debt Instrument [Line Items]
Term of credit facility	5 years 6 months
Enbridge Inc. | Initial Period | Fixed-to-Fixed Subordinated Note Due June 2054
Debt Instrument [Line Items]
Term of credit facility	9 years 9 months
Enbridge Inc. | Period Two | Fixed-to-Fixed Subordinated Notes Due March 2055
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)	3.12%
Enbridge Inc. | Period Two | Fixed-to-Fixed Subordinated Note Due June 2054
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)	2.97%
Algonquin Gas Transmission, LLC | 5.95% senior notes due July 2034
Debt Instrument [Line Items]
Interest rate (as a percent)				5.95%
Principal amount				$ 350
East Tennessee Natural Gas, LLC | 5.73% senior notes due December 2034
Debt Instrument [Line Items]
Interest rate (as a percent)	5.72%	5.72%
Principal amount	$ 460
Questar Gas Company | 5.33% senior notes due December 2034
Debt Instrument [Line Items]
Interest rate (as a percent)	5.33%	5.33%
Principal amount	$ 200