DEBT - Schedule of Long-Term Debt Repayments (Details) $ in Millions, $ in Millions	1 Months Ended										12 Months Ended
	Dec. 31, 2022 CAD ($)	Dec. 31, 2022 USD ($)	Nov. 30, 2022 CAD ($)	Oct. 31, 2022 USD ($)	Jul. 31, 2022 USD ($)	Jun. 30, 2022 CAD ($)	Jun. 30, 2022 USD ($)	Apr. 30, 2022 CAD ($)	Feb. 28, 2022 CAD ($)	Feb. 28, 2022 USD ($)	Dec. 31, 2022 CAD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021	Oct. 31, 2021	Jun. 30, 2021	May 31, 2021	Mar. 31, 2021	Feb. 28, 2021
Debt Instrument [Line Items]
Extinguishment of debt											$ 1,500	$ 2,000
Enbridge Gas Inc. | 4.85% Medium-Term Notes
Debt Instrument [Line Items]
Interest rate (percent)								4.85%
Extinguishment of debt								$ 125
Enbridge Gas Inc. | 2.76% Medium-Term Notes May 2021
Debt Instrument [Line Items]
Interest rate (percent)																276.00%
Enbridge Gas Inc. | 4.77% Medium-Term Notes December 2021
Debt Instrument [Line Items]
Interest rate (percent)													477.00%
Enbridge Pipelines (Southern Lights) L.L.C. | 3.98% Senior Notes Due 2040
Debt Instrument [Line Items]
Interest rate (percent)	3.98%	3.98%				3.98%	3.98%				3.98%	3.98%
Extinguishment of debt		$ 72					$ 72
Enbridge Pipelines (Southern Lights) L.L.C. | 3.98% Senior Notes June and December 2021
Debt Instrument [Line Items]
Interest rate (percent)													398.00%		398.00%
Enbridge Pipelines Inc. | 2.93 % Medium-Term Notes
Debt Instrument [Line Items]
Interest rate (percent)			2.93%
Extinguishment of debt			$ 150
Enbridge Southern Lights LP | 4.10 % Senior Notes
Debt Instrument [Line Items]
Interest rate (percent)	4.01%	4.01%				4.01%	4.01%				4.01%	4.01%
Extinguishment of debt	$ 18					$ 18
Enbridge Southern Lights LP | 4.01% Senior Notes June and December 2021
Debt Instrument [Line Items]
Interest rate (percent)													401.00%		401.00%
Texas Eastern Transmission, LP | 2.80 % Senior Notes
Debt Instrument [Line Items]
Interest rate (percent)				2.80%
Extinguishment of debt				$ 500
Westcoast Energy Inc. | 3.12% Medium- Term Notes
Debt Instrument [Line Items]
Interest rate (percent)	3.12%	3.12%									3.12%	3.12%
Extinguishment of debt	$ 250
Westcoast Energy Inc. | 3.88% Medium-Term Notes October 2021
Debt Instrument [Line Items]
Interest rate (percent)														388.00%
Enbridge Energy Partners, L.P. | 4.20% Senior Notes June 2021
Debt Instrument [Line Items]
Interest rate (percent)															420.00%
Enbridge Inc. | Floating Rate Notes
Debt Instrument [Line Items]
Extinguishment of debt										$ 750
Enbridge Inc. | Floating Rate Notes | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)											0.50%	0.50%
Enbridge Inc. | 4.85% Medium-Term Notes
Debt Instrument [Line Items]
Interest rate (percent)									4.85%	4.85%
Extinguishment of debt									$ 200
Enbridge Inc. | 2.90% Senior Notes Due July 2022
Debt Instrument [Line Items]
Interest rate (percent)					2.90%
Extinguishment of debt					$ 700
Enbridge Inc. | 3.19% Medium- Term Notes
Debt Instrument [Line Items]
Interest rate (percent)	3.19%	3.19%									3.19%	3.19%
Extinguishment of debt	$ 350
Enbridge Inc. | 3.19% Medium- Term Notes, Second
Debt Instrument [Line Items]
Interest rate (percent)	3.19%	3.19%									3.19%	3.19%
Extinguishment of debt	$ 450
Enbridge Inc. | 3.16% Medium-Term Notes March 2021
Debt Instrument [Line Items]
Interest rate (percent)																	316.00%
Enbridge Inc. | 4.26% Medium-Term Notes February 2021
Debt Instrument [Line Items]
Interest rate (percent)																		426.00%
Spectra Energy Partners, LP | 4.60% senior notes March 2021
Debt Instrument [Line Items]
Interest rate (percent)																	460.00%