DEBT - Credit Facilities (Details) - CAD ($) $ in Millions	1 Months Ended	9 Months Ended
Jul. 31, 2024	Sep. 30, 2024
Committed credit facilities
CREDIT FACILITIES
Total Facilities		$ 23,738
Draws		8,536
Available		$ 15,202
Term out option period (in years)		1 year
Revolving credit facility \| 364-day extendible credit facility
CREDIT FACILITIES
Total Facilities	$ 8,800
Term out option period (in years)	1 year
Enbridge (U.S.) Inc. \| Committed credit facilities
CREDIT FACILITIES
Total Facilities		$ 10,403
Draws		2,518
Available		7,885
Enbridge Pipelines Inc. \| Committed credit facilities
CREDIT FACILITIES
Total Facilities		2,000
Draws		1,095
Available		905
Enbridge Pipelines Inc. \| Committed credit facilities \| 364-day extendible credit facility
CREDIT FACILITIES
Term out option period (in years)	1 year
Enbridge Gas Inc. \| Committed credit facilities
CREDIT FACILITIES
Total Facilities		2,500
Draws		930
Available		1,570
Enbridge Gas Inc. \| Committed credit facilities \| 364-day extendible credit facility
CREDIT FACILITIES
Term out option period (in years)	1 year
Enbridge Inc. \| Committed credit facilities
CREDIT FACILITIES
Total Facilities		8,835
Draws		3,993
Available		$ 4,842

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant