DEBT - Long Term Debt Repayments (Details) $ in Millions, $ in Millions	1 Months Ended								9 Months Ended
	Aug. 31, 2023 CAD ($)	Jul. 31, 2023 CAD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 CAD ($)	Apr. 30, 2023 USD ($)	Feb. 28, 2023 USD ($)	Jan. 31, 2023 USD ($)	Jan. 31, 2023 CAD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 CAD ($)
Long-Term Debt
DEBT
Principal Amount									$ 1,200	$ 1,300
6.05 medium term notes | Enbridge Gas Inc.
DEBT
Interest rate (as a percent)		6.05%
Principal Amount		$ 100
3.79 medium term notes | Enbridge Pipelines Inc.
DEBT
Interest rate (as a percent)	3.79%
Principal Amount	$ 250
3.79 medium term notes | Enbridge Gas Inc.
DEBT
Interest rate (as a percent)		3.79%
Principal Amount		$ 250
3.98% senior notes due June 2022 | Enbridge Pipelines (Southern Lights) L.L.C.
DEBT
Interest rate (as a percent)			3.98%	3.98%
Principal Amount			$ 38
4.01% senior notes | Enbridge Southern Lights LP
DEBT
Interest rate (as a percent)			4.01%	4.01%
Principal Amount				$ 9
10.00% Senior notes | Tri Global Energy, LLC
DEBT
Interest rate (as a percent)							10.00%	10.00%
Principal Amount							$ 4
14.00% Senior notes | Tri Global Energy, LLC
DEBT
Interest rate (as a percent)							14.00%	14.00%
Principal Amount							$ 9
Enbridge Inc. | 3.94% medium-term notes
DEBT
Interest rate (as a percent)			3.94%	3.94%			3.94%	3.94%
Principal Amount				$ 450				$ 275
Enbridge Inc. | Floating rate notes
DEBT
Principal Amount						$ 500
Enbridge Inc. | Floating rate notes | London Interbank Offered Rate
DEBT
Spread on variable rate (percent)									0.40%	0.40%
Enbridge Inc. | 6.38% fixed-to-floating rate subordinated notes
DEBT
Interest rate (as a percent)					6.38%
Principal Amount					$ 600