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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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VARIABLE INTEREST ENTITIES - NARRATIVE (Details) € in Millions, $ in Millions	2 Months Ended	9 Months Ended
	Sep. 30, 2018 CAD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2018 EUR (€)	Aug. 01, 2018	Apr. 30, 2018 USD ($)
Enbridge Canadian Renewable LP (ECRLP)
Variable Interest Entity, Not Primary Beneficiary
VIE, carrying amount, assets	$ 2,100
VEI, carrying amount, liabilities	45
Enbridge Renewable Infrastructure Investments S.a.r.l. (ERII)
Variable Interest Entity, Not Primary Beneficiary
VEI, maximum loss exposure, amount	$ 534		€ 356
Sabal Trail Transmission L L C
Variable Interest Entity, Not Primary Beneficiary
Ownership interest in VIE (as a percent)		50.00%
Canada Pension Plan Investment Board (CPPIB) \| Enbridge Canadian Renewable LP (ECRLP)
Variable Interest Entity, Not Primary Beneficiary
Ownership interest in VIE (as a percent)	49.00%
Canada Pension Plan Investment Board (CPPIB) \| Enbridge Renewable Infrastructure Investments S.a.r.l. (ERII)
Variable Interest Entity, Not Primary Beneficiary
Ownership interest in VIE (as a percent)	49.00%
Spectra Energy Partners, LP \| Sabal Trail Transmission L L C
Variable Interest Entity, Not Primary Beneficiary
Proceeds from issuance of debt		$ 744,000,000
4.246% Senior Notes Due In 2028 \| Spectra Energy Partners, LP \| Sabal Trail Transmission L L C
Variable Interest Entity, Not Primary Beneficiary
Face amount of notes issued					$ 500,000,000
Interest rate (as a percent)					4.246%
4.682% Senior Notes Due in 2038 \| Spectra Energy Partners, LP \| Sabal Trail Transmission L L C
Variable Interest Entity, Not Primary Beneficiary
Face amount of notes issued					$ 600,000,000
Interest rate (as a percent)					4.682%
4.832% Senior Notes Due In 2048 \| Spectra Energy Partners, LP \| Sabal Trail Transmission L L C
Variable Interest Entity, Not Primary Beneficiary
Face amount of notes issued					$ 400,000,000
Interest rate (as a percent)					4.832%
Enbridge Renewable Infrastructure Investments S.a.r.l. (ERII)
Variable Interest Entity, Not Primary Beneficiary
Ownership interest in equity investment (as a percent)				51.00%
Long Term Investment \| Enbridge Renewable Infrastructure Investments S.a.r.l. (ERII)
Variable Interest Entity, Not Primary Beneficiary
Carrying amount of investment	$ 118		79
Long Term Receivable \| Enbridge Renewable Infrastructure Investments S.a.r.l. (ERII)
Variable Interest Entity, Not Primary Beneficiary
Due from related parties	$ 416		€ 277