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DEBT - Schedule of Long-term Debt Issuances (Details) $ in Millions, $ in Millions | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2022 CAD ($) | Dec. 31, 2022 USD ($) | Nov. 30, 2022 CAD ($) | Sep. 30, 2022 USD ($) | Aug. 31, 2022 CAD ($) | Feb. 28, 2022 USD ($) | Jan. 31, 2022 CAD ($) | Oct. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | May 31, 2021 | Feb. 28, 2021
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount | $ 3,400 | $ 3,200 |  |  |  |  |  |  |  |  |  |
Floating Rate Senior Notes Issued Due February 2024 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  | 0.63% |  |  |  |  |  |
Enbridge Gas Inc. | 4.15% Medium Term Notes Due August 2032 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  | 4.15% |  |  |  |  |  |  |
Principal amount |  |  |  |  | $ 325 |  |  |  |  |  |  |
Enbridge Gas Inc. | 4.55 % Medium Term Notes Due August 2052 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  | 4.55% |  |  |  |  |  |  |
Principal amount |  |  |  |  | $ 325 |  |  |  |  |  |  |
Enbridge Gas Inc. | 2.35% Medium-Term Notes Due September 2031 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  |  | 2.35% |  |  |
Enbridge Gas Inc. | 3.20% Medium-Term Notes Due September 2051 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  |  | 3.20% |  |  |
Texas Eastern Transmission, LP | 6.20% Senior Notes due December 2032 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) | 6.20% | 6.20% |  |  |  |  |  |  |  |  |  |
Principal amount |  | $ 600 |  |  |  |  |  |  |  |  |  |
Texas Eastern Transmission, LP | 2.50% Senior Notes Due September 2031 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  |  | 2.50% |  |  |
Enbridge Pipelines Inc. | 2.82% medium-term notes due May 2031 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  |  |  |  | 2.82% |
Enbridge Pipelines Inc. | 4.20% medium-term notes due May 2051 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  |  |  |  | 4.20% |
Enbridge Inc. | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Term of fixed rate | 30 years |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | 5.00 % |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  | 5.00% |  |  |  |  |
Principal amount |  |  |  |  |  |  | $ 750 |  |  |  |  |
Enbridge Inc. | Floating Rate Senior Notes Issued Due February 2024 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 600 |  |  |  |  |  |
Enbridge Inc. | 2.15% Senior Notes Due February 2024 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  | 2.15% |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 400 |  |  |  |  |  |
Enbridge Inc. | 2.50% Senior Notes Due February 2025 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  | 2.50% |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 500 |  |  |  |  |  |
Enbridge Inc. | 7.38% Floating Rate Notes Issued January 2083 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  | 7.38% |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 500 |  |  |  |  |  |  |  |
Enbridge Inc. | 7.63% Floating Rate Notes Issued January 2083 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  | 7.63% |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 600 |  |  |  |  |  |  |  |
Enbridge Inc. | 5.70 % Medium-Term Notes Due November 2027 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  | 5.70% |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 600 |  |  |  |  |  |  |  |  |
Enbridge Inc. | 6.10 % Sustainability-Linked Medium-Term Notes due November 20325 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  | 6.10% |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 900 |  |  |  |  |  |  |  |  |
Enbridge Inc. | 6.51 % Medium-Term Notes Due November 2052 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  | 6.51% |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 500 |  |  |  |  |  |  |  |  |
Enbridge Inc. | 2.50% Sustainability-Linked Senior Notes Due August 2033 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  |  |  | 2.50% |  |
Enbridge Inc. | 3.40% Senior Notes Due August 2051 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  |  |  | 3.40% |  |
Enbridge Inc. | 3.10% Sustainability-Linked Medium-Term Notes Due September 2033 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  |  | 3.10% |  |  |
Enbridge Inc. | 4.10% Medium-Term Notes Due September 2051 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  |  | 4.10% |  |  |
Enbridge Inc. | 0.55% Senior Term Notes Due October 2023 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  | 0.55% |  |  |  |
Enbridge Inc. | 1.60% senior notes due October 2026 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  | 1.60% |  |  |  |
Enbridge Inc. | 3.40% senior notes due August 2051 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  | 3.40% |  |  |  |
Enbridge Inc. | 4.26% Medium-Term Notes February 2021 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) |  |  |  |  |  |  |  |  |  |  |  | 426.00%
Enbridge Inc. | Initial Period | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Term of fixed rate | 5 years |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | Initial Period | 5.00 % | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 3.54% |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | Initial Period | 6.10 % Sustainability-Linked Medium-Term Notes due November 20325 | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Performance target, percent | 0.35 |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | Subsequent period | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Term of fixed rate | 10 years |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | Subsequent period | 5.00 % | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 4.29% |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | Subsequent period | 6.10 % Sustainability-Linked Medium-Term Notes due November 20325 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (percent) | 6.10% | 6.10% |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | US Treasury Rate | Initial Period | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 4.71% |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | US Treasury Rate | Initial Period | 7.38% Floating Rate Notes Issued January 2083 | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 3.71% |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | US Treasury Rate | Initial Period | 7.63% Floating Rate Notes Issued January 2083 | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 4.42% |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | US Treasury Rate | Subsequent period | 7.38% Floating Rate Notes Issued January 2083 | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 3.96% |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | US Treasury Rate | Subsequent period | 7.63% Floating Rate Notes Issued January 2083 | Fixed-to-fixed subordinated term notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 5.17% |  |  |  |  |  |  |  |  |  |  |
Enbridge Inc. | US Treasury Rate | Subsequent period | 6.10 % Sustainability-Linked Medium-Term Notes due November 20325 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 0.70% |  |  |  |  |  |  |  |  |  |  |

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