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DEBT - Schedule of Long-Term Debt Repayments (Details) € in Millions, $ in Millions, $ in Millions	1 Months Ended									9 Months Ended
	Jul. 31, 2025 USD ($)	Jul. 31, 2025 CAD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2025 CAD ($)	Apr. 30, 2025 EUR (€)	Mar. 31, 2025 USD ($)	Feb. 28, 2025 USD ($)	Feb. 28, 2025 CAD ($)	Jan. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2025 CAD ($)	Sep. 30, 2025 EUR (€)
Long-Term Debt
Debt Instrument [Line Items]
Extinguishment of debt										$ 3,000	$ 2.0	€ 21
3.31% Medium Term Notes | Enbridge Gas Inc.
Debt Instrument [Line Items]
Interest rate (as percent)										3.31%	3.31%	3.31%
Extinguishment of debt											$ 400.0
3.19% Medium Term Notes | Enbridge Gas Inc.
Debt Instrument [Line Items]
Interest rate (as percent)										3.19%	3.19%	3.19%
Extinguishment of debt											$ 200.0
3.98% Senior Notes | Enbridge Pipelines (Southern Lights) L.L.C.
Debt Instrument [Line Items]
Interest rate (as percent)			3.98%	3.98%
Extinguishment of debt			$ 47
4.10% Medium-term Notes | Enbridge Pipelines Inc.
Debt Instrument [Line Items]
Interest rate (as percent)							4.10%	4.10%
Extinguishment of debt								$ 100.0
3.45% Medium Term Notes | Enbridge Pipelines Inc.
Debt Instrument [Line Items]
Interest rate (as percent)										3.45%	3.45%	3.45%
Extinguishment of debt											$ 600.0
4.01% Senior Notes | Enbridge Southern Lights LP
Debt Instrument [Line Items]
Interest rate (as percent)			4.01%	4.01%
Extinguishment of debt				$ 11.0
8.85% Debentures | Westcoast Energy Inc.
Debt Instrument [Line Items]
Interest rate (as percent)	8.85%	8.85%
Extinguishment of debt		$ 150.0
5.88% Senior Notes | Enbridge Energy Partners, L.P
Debt Instrument [Line Items]
Interest rate (as percent)	5.88%	5.88%
Extinguishment of debt	$ 500
3.50% Senior Notes | Spectra Energy Partners, LP
Debt Instrument [Line Items]
Interest rate (as percent)						3.50%
Extinguishment of debt						$ 500
2.10% Senior Notes | Blauracke GMBH
Debt Instrument [Line Items]
Interest rate (as percent)					2.10%
Extinguishment of debt | €					€ 21
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
1.30% Senior Notes | The East Ohio Gas Company
Debt Instrument [Line Items]
Interest rate (as percent)			1.30%	1.30%
Extinguishment of debt			$ 500
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
Enbridge Inc. | 2.44 Medium-term Notes
Debt Instrument [Line Items]
Interest rate (as percent)			2.44%	2.44%
Extinguishment of debt				$ 550.0

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