DEBT - Long Term Debt Repayments (Details) $ in Millions, $ in Millions	1 Months Ended			3 Months Ended
	Feb. 28, 2023 USD ($)	Jan. 31, 2023 USD ($)	Jan. 31, 2023 CAD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2023 CAD ($)
Long-Term Debt
DEBT
Principal Amount				$ 513	$ 275
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%
Principal Amount			$ 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%