DEBT - Schedule of Long-Term Debt Repayments (Details) € in Millions, $ in Millions, $ in Millions	1 Months Ended										7 Months Ended		12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2024 CAD ($)	Nov. 30, 2024 CAD ($)	Sep. 30, 2024 CAD ($)	Aug. 31, 2024 CAD ($)	Jul. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Feb. 29, 2024 USD ($)	Feb. 29, 2024 CAD ($)	Dec. 31, 2024 USD ($)	Oct. 31, 2024 EUR (€)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 CAD ($)	Dec. 31, 2024 EUR (€)
Long-Term Debt
Debt Instrument [Line Items]
Extinguishment of debt													$ 3,900	$ 1,400	€ 43
Enbridge Gas Inc. | 3.15% medium-term notes
Debt Instrument [Line Items]
Interest rate (as a percent)					3.15%
Extinguishment of debt					$ 215
Enbridge Gas Inc. | 9.85% debentures
Debt Instrument [Line Items]
Interest rate (as a percent)	9.85%	9.85%									9.85%		9.85%	9.85%	9.85%
Extinguishment of debt		$ 85
Enbridge Pipelines (Southern Lights) L.L.C. | 3.98% Senior Notes Due 2040
Debt Instrument [Line Items]
Interest rate (as a percent)	3.98%	3.98%									3.98%		3.98%	3.98%	3.98%
Extinguishment of debt											$ 89
Enbridge Pipelines Inc. | 8.20% Debentures
Debt Instrument [Line Items]
Interest rate (as a percent)									8.20%	8.20%
Extinguishment of debt										$ 200
Enbridge Southern Lights LP | 4.01% Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)	4.01%	4.01%									4.01%		4.01%	4.01%	4.01%
Extinguishment of debt														$ 31
Westcoast Energy Inc. | 3.43% Medium-Term Notes
Debt Instrument [Line Items]
Interest rate (as a percent)				3.43%
Extinguishment of debt				$ 350
Spectra Energy Partners, LP | 4.75% Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)								4.75%
Extinguishment of debt								$ 1,000
Blauracke GmbH | 2.10% Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)												2.10%
Extinguishment of debt | €												€ 43
Algonquin Gas Transmission, LLC | 3.51% senior notes
Debt Instrument [Line Items]
Interest rate (as a percent)						3.51%
Extinguishment of debt						$ 350
Questar Gas Company | 2.98% senior notes
Debt Instrument [Line Items]
Interest rate (as a percent)	2.98%	2.98%									2.98%		2.98%	2.98%	2.98%
Extinguishment of debt	$ 40
East Tennessee Natural Gas, LLC | 3.10% senior notes
Debt Instrument [Line Items]
Interest rate (as a percent)	3.10%	3.10%									3.10%		3.10%	3.10%	3.10%
Extinguishment of debt	$ 190
Enbridge Inc. | 2.15% Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)									2.15%	2.15%
Extinguishment of debt									$ 400
Enbridge Inc. | 5.97% Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)								5.97%
Extinguishment of debt								$ 700
Debt instrument, callable term								1 year
Enbridge Inc. | 3.50% Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)							3.50%
Extinguishment of debt							$ 500
Enbridge Inc. | 3.95% Senior Notes
Debt Instrument [Line Items]
Interest rate (as a percent)			3.95%
Extinguishment of debt			$ 500
Enbridge Inc. | Floating Rate Notes
Debt Instrument [Line Items]
Extinguishment of debt									$ 600
Basis spread on variable rate (as percent)													0.63%	0.63%	0.63%