DEBT - Long Term Debt Repayments (Details) $ in Millions, $ in Millions	1 Months Ended						9 Months Ended
	Jul. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2022 CAD ($)	Apr. 30, 2022 CAD ($)	Feb. 28, 2022 USD ($)	Feb. 28, 2022 CAD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2022 CAD ($)
Long-Term Debt
DEBT
Principal Amount							$ 1,500	$ 300
4.85% medium-term notes | Enbridge Gas Inc.
DEBT
Interest rate (as a percent)				4.85%
Principal Amount				$ 125
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		$ 34
4.01% senior notes | Enbridge Southern Lights LP
DEBT
Interest rate (as a percent)		4.01%	4.01%
Principal Amount			$ 9
Enbridge Inc. | Floating rate notes
DEBT
Principal Amount					$ 750
Enbridge Inc. | Floating rate notes | London Interbank Offered Rate
DEBT
Spread on variable rate (percent)							0.50%	0.50%
Enbridge Inc. | 4.85% medium-term notes
DEBT
Interest rate (as a percent)					4.85%	4.85%
Principal Amount						$ 200
Enbridge Inc. | 2.90% senior notes due July 2022
DEBT
Interest rate (as a percent)					2.90%	2.90%
Principal Amount	$ 700