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SUBSEQUENT EVENTS (Details) - Subsequent Event $ in Millions | Oct. 03, 2019 CAD ($) | Oct. 01, 2019 CAD ($) | Nov. 01, 2019 CAD ($) | Nov. 01, 2019 USD ($)
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Disposed of by sale, not discontinued operations | Enbridge Gas New Brunswick |  |  |  |
SUBSEQUENT EVENTS |  |  |  |
Proceeds from sale |  | $ 331,000,000 |  |
Disposed of by sale, not discontinued operations | St. Lawrence Gas Company |  |  |  |
SUBSEQUENT EVENTS |  |  |  |
Disposal group, consideration |  |  | $ 72,000,000 | $ 55
Medium-term notes |  |  |  |
SUBSEQUENT EVENTS |  |  |  |
Face amount | $ 1,000,000,000.0 |  |  |
Debt instrument, term | 10 years |  |  |
Interest rate (as a percent) | 2.99% |  |  |

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