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DEBT - Credit Facilities Narrative (Details) |  | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 08, 2023 CAD ($) | Sep. 30, 2023 CAD ($) | Jul. 31, 2023 CAD ($) | Mar. 31, 2023 CAD ($) | Dec. 31, 2023 CAD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | Feb. 28, 2023 CAD ($) | Dec. 31, 2022 CAD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  | $ 74,715,000,000 |  |  |  |  | $ 72,939,000,000
Principal amount |  |  |  |  | 3,900,000,000 |  | $ 8,500,000,000 |  |  |
Extinguishment of debt |  |  |  |  | 1,400,000,000 | $ 2,500,000,000 |  |  |  |
Public Offering |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Shares issued, net of issue costs | $ 4,600,000,000 | $ 4,600,000,000 |  |  |  |  |  |  |  |
Enbridge Gas Inc. |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility capacity |  |  |  |  | 2,500,000,000 |  |  |  |  |
Unutilized credit facility |  |  |  |  | 2,100,000,000 |  |  |  |  |
Enbridge Pipelines Inc. |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility capacity |  |  |  |  | 2,000,000,000 |  |  |  |  |
Unutilized credit facility |  |  |  |  | 1,551,000,000 |  |  |  |  |
Enbridge Inc. |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility capacity |  |  |  |  | 8,876,000,000 |  |  |  |  |
Unutilized credit facility |  |  |  |  | 5,699,000,000 |  |  |  |  |
Commercial paper and credit facility draws |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  | 3,800,000,000 |  |  |  |  | 10,500,000,000
Committed credit facilities |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility capacity |  |  |  |  | $ 21,749,000,000 |  |  |  |  |
Term out option period |  |  |  |  | 1 year | 1 year |  |  |  |
Unutilized credit facility |  |  |  |  | $ 17,053,000,000 |  |  |  |  |
Committed credit facilities | 364-Day Extendible Credit Facility | Enbridge Gas Inc. |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Term of credit facility |  |  |  | 364 days |  |  |  |  |  |
Credit facility capacity |  |  |  | $ 2,500,000,000 |  |  |  |  | $ 2,000,000,000 |
Term out option period |  |  |  | 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 |  |  | 1 year |  |  |  |  |  |  |
Committed credit facilities | Senior Unsecured Bridge Term Loan |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility capacity |  |  |  |  |  |  |  | $ 9,400,000,000 |  |
Unutilized credit facility |  |  |  |  |  |  | $ 0 |  |  |
Revolving Credit Facility | 364-Day Extendible Credit Facility |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Term of credit facility |  |  | 364 days |  |  |  |  |  |  |
Credit facility capacity |  |  | $ 6,800,000,000 |  |  |  |  |  |  |
Term out option period |  |  | 1 year |  |  |  |  |  |  |
Revolving Credit Facility | Sustainability-linked Credit Facility |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Term of credit facility |  |  | 5 years |  |  |  |  |  |  |
Revolving Credit Facility | Term Loan Maturing In July 2026 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Term of credit facility |  |  | 3 years |  |  |  |  |  |  |
Term Loan Maturing In May 2025 | Five-Year Credit Facilities |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility capacity |  |  | $ 7,600,000,000 |  |  |  |  |  |  |
Uncommitted Credit Facilities |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |
Credit facility capacity |  |  |  |  | 1,100,000,000 |  |  |  |  | 1,300,000,000
Unutilized credit facility |  |  |  |  | $ 572,000,000 |  |  |  |  | $ 689,000,000
Weighted average standby fee (as a percent) |  |  |  |  | 0.10% | 0.10% |  |  |  |

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