DEBT - Schedule of Debt (Details) € in Millions, $ in Millions, $ in Billions	12 Months Ended
	Dec. 31, 2023 CAD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 CAD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2021 CAD ($)
DEBT
Total debt	$ 81,199		$ 80,980
Fair value adjustment	514		608
Other	(439)		(393)
Current maturities	(6,084)		(6,045)
Short-term borrowings	(400)		(1,996)
Long-term debt	74,715		72,939
Long-term debt	$ 37,000	$ 33	$ 38,000	$ 31	€ 359	$ 0
Weighted average interest rate (as a percent)	5.20%	5.20%	4.50%	4.50%	4.50%
US dollar senior notes | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	4.60%	4.60%
Total debt	$ 14,636		$ 12,060
Medium-term notes | Enbridge Gas Inc.
DEBT
Weighted average interest rate (percent)	4.20%	4.20%
Total debt	$ 10,185		9,535
Medium-term notes | Enbridge Pipelines Inc.
DEBT
Weighted average interest rate (percent)	4.30%	4.30%
Total debt	$ 5,425		5,425
Carrying value	$ 100
Medium-term notes | Westcoast Energy Inc.
DEBT
Weighted average interest rate (percent)	4.90%	4.90%
Total debt	$ 1,225		1,225
Medium-term notes | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	4.50%	4.50%
Total debt	$ 8,598		8,223
Sustainability-linked bonds | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	4.70%	4.70%
Total debt	$ 6,751		3,355
Fixed-to-fixed subordinated term notes | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	7.50%	7.50%
Total debt	$ 7,156		3,596
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)	5.80%	5.80%
Total debt	$ 5,828		6,736
Fixed-to-floating rate subordinated term notes | Enbridge Inc. | Initial Period
DEBT
Term of fixed rate	5 years
Fixed-to-floating rate subordinated term notes | Enbridge Inc. | Subsequent period
DEBT
Term of fixed rate	10 years
Floating rate notes | Enbridge Inc.
DEBT
Total debt	$ 791		1,491
Fixed-to-floating non-call notes | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	6.00%	6.00%
Total debt	$ 923		0
Commercial paper and credit facility draws | Enbridge (U.S.) Inc.
DEBT
Weighted average interest rate (percent)	5.60%	5.60%
Total debt	$ 670		4,199
Commercial paper and credit facility draws | Enbridge Gas Inc.
DEBT
Weighted average interest rate (percent)	5.20%	5.20%
Total debt	$ 400		2,000
Commercial paper and credit facility draws | Enbridge Pipelines Inc.
DEBT
Weighted average interest rate (percent)	5.40%	5.40%
Total debt	$ 449		312
Commercial paper and credit facility draws | Enbridge Inc.
DEBT
Weighted average interest rate (percent)	4.70%	4.70%
Total debt	$ 3,177		7,984
Senior notes | Enbridge Energy Partners, L.P.
DEBT
Weighted average interest rate (percent)	6.50%	6.50%
Total debt	$ 3,231		3,320
Senior notes | Enbridge Pipelines (Southern Lights) L.L.C.
DEBT
Weighted average interest rate (percent)	4.00%	4.00%
Total debt	$ 791		921
Senior notes | Enbridge Southern Lights LP
DEBT
Weighted average interest rate (percent)	4.00%	4.00%
Total debt	$ 214		222
Senior notes | Spectra Energy Capital, LLC
DEBT
Weighted average interest rate (percent)	7.00%	7.00%
Total debt	$ 228		234
Senior notes | Algonquin Gas Transmission, LLC
DEBT
Weighted average interest rate (percent)	3.30%	3.30%
Total debt	$ 1,121		1,152
Senior notes | East Tennessee Natural Gas, LLC
DEBT
Weighted average interest rate (percent)	3.10%	3.10%
Total debt	$ 251		258
Senior notes | Texas Eastern Transmission, LP
DEBT
Weighted average interest rate (percent)	4.70%	4.70%
Total debt	$ 3,362		3,455
Senior notes | Spectra Energy Partners, LP
DEBT
Weighted average interest rate (percent)	4.30%	4.30%
Total debt	$ 4,220		4,336
Senior notes | Tri Global Energy, LLC
DEBT
Weighted average interest rate (percent)
Total debt	$ 0		18
Senior notes | Blauracke GmbH6
DEBT
Weighted average interest rate (percent)	2.10%	2.10%
Total debt	$ 521		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	263		7
Other | Enbridge Gas Inc.
DEBT
Total debt	2		1
Other | Enbridge Pipelines Inc.
DEBT
Total debt	4		0
Other | Enbridge Inc.
DEBT
Total debt	$ 17		$ 15
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%