DEBT - Long Term Debt Issuance (Details) $ in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2022 CAD ($)	Sep. 30, 2022 USD ($)	Aug. 31, 2022 CAD ($)	Feb. 28, 2022 USD ($)	Jan. 31, 2022 CAD ($)
Enbridge Inc.
Debt Instrument [Line Items]
Principal amount of debt	$ 1,400	$ 2,600
Enbridge Inc. | Fixed To Fixed Term Subordinated Term Notes
Debt Instrument [Line Items]
Term of fixed rate	10 years
Enbridge Inc. | Fixed To Fixed Term Subordinated Term Notes | Debt Instrument Interest Rate Terms Period One
Debt Instrument [Line Items]
Term of fixed rate	30 years
Enbridge Inc. | 5-year United States Treasury rate | Fixed To Fixed Term Subordinated Term Notes | Debt Instrument Interest Rate Terms Period One
Debt Instrument [Line Items]
Spread on variable rate (percent)	4.71%
5.00% hybrid fixed-to-fixed subordinated notes due January 2082 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)					5.00%
Principal amount of debt					$ 750
5.00% hybrid fixed-to-fixed subordinated notes due January 2082 | Enbridge Inc. | Fixed To Fixed Term Subordinated Term Notes | Debt Instrument Interest Rate Terms Period One
Debt Instrument [Line Items]
Spread on variable rate (percent)	3.54%
5.00% hybrid fixed-to-fixed subordinated notes due January 2082 | Enbridge Inc. | Fixed To Fixed Term Subordinated Term Notes | Debt Instrument Interest Rate Terms Period Two
Debt Instrument [Line Items]
Spread on variable rate (percent)	4.29%
Floating rate senior notes due February 2024 | Enbridge Inc.
Debt Instrument [Line Items]
Principal amount of debt				$ 600
2.15% senior notes due February 2024 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)				2.15%
Principal amount of debt				$ 400
2.5% senior notes due February 2025 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)				2.50%
Principal amount of debt				$ 500
7.38% hybrid fixed-to-fixed subordinated notes due January 2083 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)	7.38%	7.38%
Principal amount of debt		$ 500
7.38% hybrid fixed-to-fixed subordinated notes due January 2083 | Enbridge Inc. | 5-year United States Treasury rate | Fixed To Fixed Term Subordinated Term Notes | Debt Instrument Interest Rate Terms Period One
Debt Instrument [Line Items]
Spread on variable rate (percent)	3.71%
7.38% hybrid fixed-to-fixed subordinated notes due January 2083 | Enbridge Inc. | 5-year United States Treasury rate | Fixed To Fixed Term Subordinated Term Notes | Debt Instrument Interest Rate Terms Period Two
Debt Instrument [Line Items]
Spread on variable rate (percent)	3.96%
7.63% hybrid fixed-to-fixed subordinated notes due January 2083 | Enbridge Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)	7.63%	7.63%
Principal amount of debt		$ 600
7.63% hybrid fixed-to-fixed subordinated notes due January 2083 | Enbridge Inc. | 5-year United States Treasury rate | Fixed To Fixed Term Subordinated Term Notes | Debt Instrument Interest Rate Terms Period One
Debt Instrument [Line Items]
Spread on variable rate (percent)	4.42%
7.63% hybrid fixed-to-fixed subordinated notes due January 2083 | Enbridge Inc. | 5-year United States Treasury rate | Fixed To Fixed Term Subordinated Term Notes | Debt Instrument Interest Rate Terms Period Two
Debt Instrument [Line Items]
Spread on variable rate (percent)	5.17%
4.15% medium-term notes due August 2032 | Enbridge Gas Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)			4.15%
Principal amount of debt			$ 325
4.55% medium-term notes due August 2052 | Enbridge Gas Inc.
Debt Instrument [Line Items]
Interest rate (as a percent)			4.55%
Principal amount of debt			$ 325