DEBT - Schedule of Long-Term Debt Repayments (Details) $ in Millions, $ in Millions	1 Months Ended				3 Months Ended
	Mar. 31, 2025 USD ($)	Feb. 28, 2025 USD ($)	Feb. 28, 2025 CAD ($)	Jan. 31, 2025 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2025 CAD ($)
Long-Term Debt
Debt Instrument [Line Items]
Extinguishment of debt					$ 1,900	$ 100
4.10% Senior Notes | Enbridge Pipelines Inc.
Debt Instrument [Line Items]
Interest rate (as percent)		4.10%	4.10%
Extinguishment of debt			$ 100
3.50% Senior Notes | Spectra Energy Partners, LP
Debt Instrument [Line Items]
Interest rate (as percent)	3.50%				3.50%	3.50%
Extinguishment of debt	$ 500
4.97% Senior Notes, Note One | Enbridge Holdings (Tomorrow RNG), LLC
Debt Instrument [Line Items]
Interest rate (as percent)				4.97%
Extinguishment of debt				$ 309
4.97% Senior Notes, Note Two | Enbridge Holdings (Tomorrow RNG), LLC
Debt Instrument [Line Items]
Interest rate (as percent)				4.97%
Extinguishment of debt				$ 85
4.97% Senior Notes, Note Three | Enbridge Holdings (Tomorrow RNG), LLC
Debt Instrument [Line Items]
Interest rate (as percent)				4.97%
Extinguishment of debt				$ 19
Enbridge Inc. | 2.50% Senior Notes
Debt Instrument [Line Items]
Interest rate (as percent)		2.50%	2.50%	2.50%
Extinguishment of debt		$ 500		$ 500