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DEBT - LONG TERM DEBT REPAYMENTS (Details) $ in Millions, $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 CAD ($) | Mar. 31, 2018 USD ($) | Jan. 31, 2018 CAD ($)
Enbridge Southern Lights L P | 4.014% medium-term note due June 2040 |  |  |
DEBT |  |  |
Face amount of notes issued |  |  | $ 9
Interest rate (as a percent) |  |  | 4.01%
Spectra Energy Capitals, LLC |  |  |
DEBT |  |  |
Gain (loss) on extinguishment of debt | $ 37 | $ 29 |
Spectra Energy Capitals, LLC | 6.75% Senior Unsecured Notes Due 2032 |  |  |
DEBT |  |  |
Face amount of notes issued |  | $ 64 |
Interest rate (as a percent) |  | 6.75% |
Repayments of debt |  | $ 80 |
Spectra Energy Capitals, LLC | 7.50% Senior Unsecured Notes Due 2038 |  |  |
DEBT |  |  |
Face amount of notes issued |  | $ 43 |
Interest rate (as a percent) |  | 7.50% |
Repayments of debt |  | $ 59 |
Spectra Energy Capitals, LLC | 5.65% Senior Unsecured Notes Due 2020 |  |  |
DEBT |  |  |
Face amount of notes issued |  | $ 163 |
Interest rate (as a percent) |  | 5.65% |
Repayments of debt |  | $ 172 |
Spectra Energy Capitals, LLC | 3.30% Senior Unsecured Notes Due 2023 |  |  |
DEBT |  |  |
Face amount of notes issued |  | $ 498 |
Interest rate (as a percent) |  | 3.30% |
Repayments of debt |  | $ 508 |

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