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DEBT - Schedule of Long-Term Debt Repayments (Details) $ in Millions, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 USD ($) | Nov. 30, 2023 CAD ($) | Oct. 31, 2023 USD ($) | Aug. 31, 2023 CAD ($) | Jul. 31, 2023 CAD ($) | Jun. 30, 2023 CAD ($) | Jun. 30, 2023 USD ($) | Apr. 30, 2023 USD ($) | Feb. 28, 2023 USD ($) | Jan. 31, 2023 CAD ($) | Jan. 31, 2023 USD ($) | Dec. 31, 2023 CAD ($) | Dec. 31, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  | $ 1,400 | $ 2,500
Enbridge Gas Inc. | 6.05 Medium Term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  | 6.05% |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  | $ 100 |  |  |  |  |  |  |  |
Enbridge Gas Inc. | 3.79 Medium Term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  | 3.79% |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  | $ 250 |  |  |  |  |  |  |  |
Enbridge Pipelines (Southern Lights) L.L.C. | 3.98% Senior Notes Due 2040 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) | 3.98% |  |  |  |  | 3.98% | 3.98% |  |  |  |  | 3.98% | 3.98%
Extinguishment of debt | $ 80 |  |  |  |  |  | $ 80 |  |  |  |  |  |
Enbridge Pipelines Inc. | 3.79 Medium Term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  | 3.79% |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  | $ 250 |  |  |  |  |  |  |  |  |
Enbridge Pipelines Inc. | 6.35 Medium Term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 6.35% |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  | $ 100 |  |  |  |  |  |  |  |  |  |  |
Enbridge Southern Lights LP | 4.01% Senior Notes Due 2040 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  | 4.01% | 4.01% |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  | $ 9 |  |  |  |  |  |  |
Tri Global Energy, LLC | 10.00% Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  | 10.00% | 10.00% |  |
Extinguishment of debt |  |  |  |  |  |  |  |  |  |  | $ 4 |  |
Tri Global Energy, LLC | 14.00% Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  | 14.00% | 14.00% |  |
Extinguishment of debt |  |  |  |  |  |  |  |  |  |  | $ 9 |  |
Enbridge Inc. | 3.94% Medium-Term Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  | 3.94% | 3.94% |  |  | 394.00% | 394.00% |  |
Extinguishment of debt |  |  |  |  |  | $ 450 |  |  |  | $ 275 |  |  |
Enbridge Inc. | Floating Rate Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  |  |  | $ 500 |  |  |  |
Enbridge Inc. | Floating Rate Notes | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  |  |  |  |  |  |  | 0.40% |  |  |  |
Enbridge Inc. | 6.38% Fixed-To-Floating Rate Subordinated Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  | 6.38% |  |  |  |  |
Extinguishment of debt |  |  |  |  |  |  |  | $ 600 |  |  |  |  |
Enbridge Inc. | 4.00% Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 4.00% |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  | $ 800 |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | 0.55% Senior Notes |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 0.55% |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  |  | $ 500 |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | Callable Notes Maturing 2078 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Term of credit facility |  |  |  |  |  |  |  | 5 years |  |  |  |  |

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