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VARIABLE INTEREST ENTITIES - CONSOLIDATED VARIABLE INTEREST ENTITIES (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2019
Enbridge Canadian Renewable LP (ECRLP) |
Schedule of Equity Method Investments [Line Items] |
Direct common interest (as a percent) | 51.00%
DakTex |
Schedule of Equity Method Investments [Line Items] |
Ownership interest in subsidiary (as a percent) | 75.00%
DakTex | EEP |
Schedule of Equity Method Investments [Line Items] |
Ownership interest in subsidiary (as a percent) | 25.00%
Bakken Pipeline System |
Schedule of Equity Method Investments [Line Items] |
Ownership interest of equity method investment (as a percent) | 27.60%
Other Limited Partnerships |
Schedule of Equity Method Investments [Line Items] |
Direct common interest (as a percent) | 100.00%

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