DEBT - Long Term Debt Issuance (Details) - Enbridge Inc. $ in Millions, $ in Millions	6 Months Ended
	Jun. 30, 2022 CAD ($)	Jun. 30, 2022 USD ($)	Feb. 28, 2022 USD ($)	Jan. 31, 2022 CAD ($)
5.00% hybrid fixed-to-fixed subordinated notes due January 2082
Debt Instrument [Line Items]
Interest rate (as a percent)				5.00%
Principal amount of debt	$ 750	$ 1,500		$ 750
Floating rate senior notes due February 2024
Debt Instrument [Line Items]
Principal amount of debt			$ 600
Floating rate senior notes due February 2024 | SOFR
Debt Instrument [Line Items]
Spread on variable rate (percent)	0.63%
2.15% senior notes due February 2024
Debt Instrument [Line Items]
Interest rate (as a percent)			2.15%
Principal amount of debt			$ 400
2.5% senior notes due February 2025
Debt Instrument [Line Items]
Interest rate (as a percent)			2.50%
Principal amount of debt			$ 500