DEBT - Long Term Debt Issuance (Details) $ in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2024	Aug. 31, 2024 CAD ($)	Jul. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Apr. 30, 2024 USD ($)
Enbridge Inc. | Debt Instrument Interest Rate Terms Period One
Debt Instrument [Line Items]
Debt instrument maturity period (in years)	5 years 6 months
Spread on variable rate (in percent)	3.12%
Enbridge Inc. | Debt Instrument Interest Rate Terms Period Two
Debt Instrument [Line Items]
Debt instrument maturity period (in years)	9 years 9 months
Spread on variable rate (in percent)	2.97%
5.25% Senior Notes Due April 2027 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (in percent)					5.25%
Principal Amount					$ 750
5.30% Senior Notes Due April 2029 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (in percent)					5.30%
Principal Amount					$ 750
5.63% Senior Notes Due April 2034 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (in percent)					5.63%
Principal Amount					$ 1,200
5.95% Senior Notes Due April 2054 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (in percent)					5.95%
Principal Amount					$ 800
Fixed-to-Fixed Subordinated Notes Due March 2055 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (in percent)				7.38%
Principal Amount				$ 500
Fixed-to-Fixed Subordinated Note Due June 2054 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (in percent)				7.20%
Principal Amount				$ 700
4.21% medium-term notes due February 2030 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (in percent)		4.21%
Principal Amount		$ 600
4.73% medium-term notes due August 2034 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (in percent)		4.73%
Principal Amount		$ 800
5.32% medium-term notes due August 2054 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (in percent)		5.32%
Principal Amount		$ 400
5.95% senior notes due July 2034 | Algonquin Gas Transmission, LLC
Debt Instrument [Line Items]
Interest rate (in percent)			5.95%
Principal Amount			$ 350