DEBT - Narrative (Details) $ in Millions					1 Months Ended				12 Months Ended
	Sep. 30, 2024 USD ($)	May 31, 2024 USD ($)	Mar. 06, 2024 USD ($)	Jan. 02, 2024 USD ($)	Oct. 31, 2024 CAD ($)	Jul. 31, 2024 CAD ($)	Jun. 30, 2024 USD ($)	Jan. 31, 2024 CAD ($)	Dec. 31, 2024 CAD ($)	Mar. 31, 2024 CAD ($)	Dec. 31, 2023 CAD ($)
Line of Credit Facility [Line Items]
Long-term debt (Note 17)									$ 93,414,000,000		$ 74,715,000,000
The East Ohio Gas Company
Line of Credit Facility [Line Items]
Increase (decrease) in debt			$ 1,900
RNG Facilities
Line of Credit Facility [Line Items]
Increase (decrease) in debt				$ 568
Questar Acquisition
Line of Credit Facility [Line Items]
Increase (decrease) in debt		$ 1,000
Public Service Company of North Carolina, Incorporated
Line of Credit Facility [Line Items]
Increase (decrease) in debt	$ 1,100
Enbridge Gas Inc.
Line of Credit Facility [Line Items]
Credit facility capacity									2,500,000,000
Available									1,970,000,000
Enbridge Pipelines Inc.
Line of Credit Facility [Line Items]
Credit facility capacity									2,000,000,000
Available									1,491,000,000
Commercial paper and credit facility draws
Line of Credit Facility [Line Items]
Long-term debt (Note 17)									10,300,000,000		3,800,000,000
Committed credit facilities
Line of Credit Facility [Line Items]
Credit facility capacity									$ 24,153,000,000
Term out option period (in years)									1 year
Available									$ 12,564,000,000
Committed credit facilities | Delayed-Draw Term Loan Facility Maturing In March 2049
Line of Credit Facility [Line Items]
Credit facility capacity										$ 200,000,000
Committed credit facilities | 364-Day Extendible Credit Facility | Enbridge Gas Inc.
Line of Credit Facility [Line Items]
Term of credit facility						364 days
Term out option period (in years)						1 year
Committed credit facilities | 364-Day Extendible Credit Facility | Enbridge Pipelines Inc.
Line of Credit Facility [Line Items]
Term of credit facility						364 days
Term out option period (in years)						1 year
Non-Revolving Term Loan Facility | Non-Revolving Term Loan Facility Maturing In June 2029
Line of Credit Facility [Line Items]
Credit facility capacity							$ 250
Term of credit facility							5 years
Revolving Credit Facility | 364-Day Extendible Credit Facility
Line of Credit Facility [Line Items]
Credit facility capacity						$ 8,800,000,000
Term of credit facility						364 days
Term out option period (in years)						1 year
Revolving Credit Facility | Five-Year Credit Facilities
Line of Credit Facility [Line Items]
Credit facility capacity						$ 7,800,000,000
Term of credit facility						5 years
Revolving Credit Facility | Term Loan Maturing In July 2027
Line of Credit Facility [Line Items]
Term of credit facility						3 years
Uncommitted Credit Facilities
Line of Credit Facility [Line Items]
Credit facility capacity									1,400,000,000		1,100,000,000
Available									$ 931,000,000		$ 572,000,000
Weighted average standby fee (as a percent)									0.10%
Letter of Credit
Line of Credit Facility [Line Items]
Line of credit facility, increase (decrease)					$ 200,000,000			$ 146,000,000