DEBT - Schedule of Debt (Details) $ in Millions, $ in Billions	12 Months Ended
	Dec. 31, 2022 CAD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 CAD ($)	Dec. 31, 2021 USD ($)
DEBT
Total debt	$ 80,980		$ 75,640
Fair value adjustment	608		667
Other	(393)		(363)
Current maturities	(6,045)		(6,164)
Short-term borrowings	(1,996)		(1,515)
Long-term debt	72,939		67,961
Long-term debt	$ 38,000	$ 31	$ 36,000	$ 31
Weighted average interest rate (as a percent)	4.50%	4.50%	0.50%	0.50%
US dollar senior notes | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	3.50%	3.50%
Total debt	$ 12,060		$ 10,992
Medium-term notes | Enbridge Gas Inc.
DEBT
Weighted average interest rate (percent)	4.10%	4.10%
Total debt	$ 9,535		9,010
Medium-term notes | Enbridge Pipelines Inc.
DEBT
Weighted average interest rate (percent)	4.20%	4.20%
Total debt	$ 5,425		5,575
Carrying value	$ 100
Medium-term notes | Westcoast Energy Inc.
DEBT
Weighted average interest rate (percent)	4.90%	4.90%
Total debt	$ 1,225		1,475
Medium-term notes | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	3.80%	3.80%
Total debt	$ 8,223		8,123
Sustainability-linked bonds | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	2.00%	2.00%
Total debt	$ 3,355		2,363
Fixed-to-fixed subordinated term notes | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	4.10%	4.10%
Total debt	$ 3,596		1,263
Term of fixed rate	30 years
Fixed-to-fixed subordinated term notes | Enbridge Inc. | Initial Period
DEBT
Term of fixed rate	5 years
Fixed-to-fixed subordinated term notes | Enbridge Inc. | Subsequent period
DEBT
Term of fixed rate	10 years
Fixed-to-floating rate subordinated term notes | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	5.90%	5.90%
Total debt	$ 6,736		6,442
Term of fixed rate	10 years
Fixed-to-floating rate subordinated term notes | Enbridge Inc. | Initial Period
DEBT
Term of fixed rate	5 years
Floating rate notes | Enbridge Inc.
DEBT
Total debt	$ 1,491		1,579
Commercial paper and credit facility draws | Enbridge (U.S.) Inc.
DEBT
Weighted average interest rate (percent)	4.50%	4.50%
Total debt	$ 4,199		4,845
Commercial paper and credit facility draws | Enbridge Gas Inc.
DEBT
Weighted average interest rate (percent)	4.50%	4.50%
Total debt	$ 2,000		1,515
Commercial paper and credit facility draws | Enbridge Pipelines Inc.
DEBT
Weighted average interest rate (percent)	4.60%	4.60%
Total debt	$ 312		667
Commercial paper and credit facility draws | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	4.80%	4.80%
Total debt	$ 7,984		7,837
Senior notes | Enbridge Energy Partners, L.P.
DEBT
Weighted average interest rate (percent)	6.50%	6.50%
Total debt	$ 3,320		3,095
Senior notes | Enbridge Pipelines (Southern Lights) L.L.C.
DEBT
Weighted average interest rate (percent)	4.00%	4.00%
Total debt	$ 921		949
Senior notes | Enbridge Southern Lights LP
DEBT
Weighted average interest rate (percent)	4.00%	4.00%
Total debt	$ 222		240
Senior notes | Spectra Energy Capital, LLC
DEBT
Weighted average interest rate (percent)	7.00%	7.00%
Total debt	$ 234		218
Senior notes | Algonquin Gas Transmission, LLC
DEBT
Weighted average interest rate (percent)	3.30%	3.30%
Total debt	$ 1,152		1,074
Senior notes | East Tennessee Natural Gas, LLC
DEBT
Weighted average interest rate (percent)	3.10%	3.10%
Total debt	$ 258		240
Senior notes | Texas Eastern Transmission, LP
DEBT
Weighted average interest rate (percent)	3.30%	3.30%
Total debt	$ 3,455		3,095
Senior notes | Spectra Energy Partners, LP
DEBT
Weighted average interest rate (percent)	4.30%	4.30%
Total debt	$ 4,336		4,042
Senior notes | Tri Global Energy, LLC
DEBT
Weighted average interest rate (percent)	12.70%	12.70%
Total debt	$ 18		0
Debentures | Enbridge Gas Inc.
DEBT
Weighted average interest rate (percent)	9.10%	9.10%
Total debt	$ 210		210
Debentures | Enbridge Pipelines Inc.
DEBT
Weighted average interest rate (percent)	8.20%	8.20%
Total debt	$ 200		200
Debentures | Westcoast Energy Inc.
DEBT
Weighted average interest rate (percent)	8.10%	8.10%
Total debt	$ 275		275
Other | Enbridge (U.S.) Inc.
DEBT
Total debt	7		7
Other | Enbridge Gas Inc.
DEBT
Total debt	1		0
Other | Enbridge Inc.
DEBT
Total debt	$ 15		$ 5
Minimum | SOFR | Floating rate notes | Enbridge Inc.
DEBT
Basis spread on variable rate (as a percent)	0.40%
Maximum | SOFR | Floating rate notes | Enbridge Inc.
DEBT
Basis spread on variable rate (as a percent)	0.63%