DEBT - Credit Facilities (Narrative) (Details) $ in Millions, ¥ in Billions									2 Months Ended	12 Months Ended
	Dec. 16, 2022 CAD ($)	Jun. 23, 2022 CAD ($)	May 17, 2022 CAD ($)	Feb. 10, 2022 CAD ($)	Jan. 19, 2022 CAD ($)	Jul. 23, 2021 CAD ($)	Feb. 25, 2021 CAD ($) loan	Feb. 10, 2021 CAD ($)	Aug. 31, 2022 CAD ($)	Dec. 31, 2022 CAD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Jul. 31, 2022 CAD ($)	May 24, 2022 USD ($)	May 17, 2022 JPY (¥)	Dec. 31, 2021 CAD ($)
Line of Credit Facility [Line Items]
Long-term debt										$ 72,939,000,000						$ 67,961,000,000
Principal amount										3,400,000,000		$ 3,200
Extinguishment of debt										1,500,000,000	$ 2,000
Enbridge Inc.
Line of Credit Facility [Line Items]
Credit facility capacity										10,987,000,000
Unutilized credit facility										3,003,000,000
US dollar senior notes
Line of Credit Facility [Line Items]
Extinguishment of debt							$ 500,000,000
Number of term loans repaid | loan							2
Sustainability-linked bonds | Enbridge Inc.
Line of Credit Facility [Line Items]
Credit facility capacity				$ 1,000,000,000
Term of credit facility				3 years
Commercial paper and credit facility draws
Line of Credit Facility [Line Items]
Long-term debt										10,500,000,000						11,300,000,000
364-Day Extendible Credit Facilities
Line of Credit Facility [Line Items]
Credit facility capacity		$ 5,500,000,000
Term of credit facility		364 days
Term out option period		1 year
10-year Fixed-To-Fixed Subordinated Notes | Subordinated Debt
Line of Credit Facility [Line Items]
Term of credit facility					10 years
Principal amount					$ 750,000,000
Term Loan Maturing In May 2025
Line of Credit Facility [Line Items]
Term of credit facility	5 years
Uncommitted Credit Facilities
Line of Credit Facility [Line Items]
Credit facility capacity										1,300,000,000						1,300,000,000
Unutilized credit facility										$ 689,000,000						$ 854,000,000
Weighted average standby fee (as a percent)										0.10%	0.10%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of credit facility, increase (decrease)									$ 640,000,000
Revolving Credit Facility | Sustainability-linked Credit Facility
Line of Credit Facility [Line Items]
Credit facility capacity				$ 1,000,000,000				$ 1,000,000,000	$ 12,700,000,000				$ 12,700,000,000
Term of credit facility				3 years				3 years
Revolving Credit Facility | Syndicated Credit Facility
Line of Credit Facility [Line Items]
Term of credit facility								1 year
Extinguishment of debt								$ 3,000,000,000
Revolving Credit Facility | Five-Year Credit Facilities
Line of Credit Facility [Line Items]
Credit facility capacity						$ 8,000,000,000
Term of credit facility						5 years
Revolving Credit Facility | 364-Day Extendible Credit Facilities
Line of Credit Facility [Line Items]
Credit facility capacity						$ 10,000,000,000
Term of credit facility						364 days
Maturity period						1 year
Term Loan Maturing In May 2025 | Five-Year Credit Facilities
Line of Credit Facility [Line Items]
Credit facility capacity	$ 479,000,000
Term Loan Maturing In May 2025 | Three Year Term Loan | US dollar senior notes
Line of Credit Facility [Line Items]
Credit facility capacity			$ 806,000,000												¥ 84.8
Term of credit facility			3 years
Term Loan Maturing In 2023 | 364-Day Term Loan | US dollar senior notes
Line of Credit Facility [Line Items]
Credit facility capacity														$ 1,900
Term Loan Matured In May 2022 | US dollar senior notes
Line of Credit Facility [Line Items]
Credit facility capacity			$ 499,000,000												¥ 52.5