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ACQUISITION AND DISPOSITIONS - OTHER DISPOSITIONS (Details) CAD in Millions, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 CAD | Aug. 31, 2015 USD ($) | Aug. 31, 2015 CAD | May 31, 2015 CAD | Nov. 30, 2014 USD ($) | Nov. 30, 2014 CAD | Jul. 31, 2014 USD ($) | Jul. 31, 2014 CAD | Mar. 31, 2014 CAD | Dec. 31, 2016 CAD | Dec. 31, 2015 CAD | Dec. 31, 2014 CAD
OTHER DISPOSITIONS |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale |  |  |  |  |  |  |  |  |  | CAD 848 | CAD 94 | CAD 38
Other miscellaneous non-core assets | Disposed of by sale, not discontinued operations |  |  |  |  |  |  |  |  |  |  |  |
OTHER DISPOSITIONS |  |  |  |  |  |  |  |  |  |  |  |
Cash proceeds from sale of assets | CAD 286 |  |  |  |  |  |  |  |  |  |  |
Frontier Pipeline Company | Disposed of by sale, not discontinued operations |  |  |  |  |  |  |  |  |  |  |  |
OTHER DISPOSITIONS |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent sold |  | 77.80% | 77.80% |  |  |  |  |  |  |  |  |
Cash proceeds from sale of assets |  | $ 85 | CAD 112 |  |  |  |  |  |  |  |  |
Gain on sale |  | $ 53 | CAD 70 |  |  |  |  |  |  |  |  |
Certain crude oil pipeline system assets | Disposed of by sale, not discontinued operations |  |  |  |  |  |  |  |  |  |  |  |
OTHER DISPOSITIONS |  |  |  |  |  |  |  |  |  |  |  |
Cash proceeds from sale of assets |  |  |  | CAD 26 |  |  |  |  |  |  |  |
Gain on sale |  |  |  | CAD 22 |  |  |  |  |  |  |  |
Non-core assets within Enbridge Offshore Pipelines | Disposed of by sale, not discontinued operations |  |  |  |  |  |  |  |  |  |  |  |
OTHER DISPOSITIONS |  |  |  |  |  |  |  |  |  |  |  |
Cash proceeds from sale of assets |  |  |  |  | $ 7 | CAD 7 |  |  |  |  |  |
Gain on sale |  |  |  |  | $ 19 | CAD 22 |  |  |  |  |  |
Southern Access Extension Project | Disposed of by sale, not discontinued operations |  |  |  |  |  |  |  |  |  |  |  |
OTHER DISPOSITIONS |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage sold |  |  |  |  |  |  | 35.00% | 35.00% |  |  |  |
Cash proceeds from sale of assets |  |  |  |  |  |  | $ 68 | CAD 73 |  |  |  |
Gain on sale |  |  |  |  |  |  |  | CAD 0 |  |  |  |
Alternative and Emerging Technologies | Disposed of by sale, not discontinued operations |  |  |  |  |  |  |  |  |  |  |  |
OTHER DISPOSITIONS |  |  |  |  |  |  |  |  |  |  |  |
Cash proceeds from sale of assets |  |  |  |  |  |  |  |  | CAD 19 |  |  |
Gain on sale |  |  |  |  |  |  |  |  | CAD 16 |  |  |

X
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