VARIABLE INTEREST ENTITIES - Schedule of the Carrying Amount of Interest in VIEs (Details) $ in Millions	Dec. 31, 2022 CAD ($) project	Nov. 30, 2022	Dec. 31, 2021 CAD ($)
VARIABLE INTEREST ENTITY
Affiliate loan receivable	$ 752		$ 954
EIH S.a.r.l.
VARIABLE INTEREST ENTITY
Number of offshore wind projects | project	3
Woodfibre LNG LP
VARIABLE INTEREST ENTITY
Ownership interest (as a percent)		30.00%
Variable Interest Entity, Not Primary Beneficiary
VARIABLE INTEREST ENTITY
Carrying Amount of Investment in VIE	$ 1,616		1,054
Maximum Exposure to Loss	4,466		4,288
Variable Interest Entity, Not Primary Beneficiary | Aux Sable Liquid Products L.P.
VARIABLE INTEREST ENTITY
Carrying Amount of Investment in VIE	91		113
Maximum Exposure to Loss	117		195
Variable Interest Entity, Not Primary Beneficiary | EIH S.a.r.l.
VARIABLE INTEREST ENTITY
Carrying Amount of Investment in VIE	37		38
Maximum Exposure to Loss	637		664
Affiliate loan receivable	56		73
Variable Interest Entity, Not Primary Beneficiary | Enbridge Renewable Infrastructure Investments S.a.r.l. (ERII)
VARIABLE INTEREST ENTITY
Carrying Amount of Investment in VIE			54
Maximum Exposure to Loss			2,121
Affiliate loan receivable			807
Variable Interest Entity, Not Primary Beneficiary | Rampion Offshore Wind Limited
VARIABLE INTEREST ENTITY
Carrying Amount of Investment in VIE	413		450
Maximum Exposure to Loss	468		508
Variable Interest Entity, Not Primary Beneficiary | Vector Pipeline L.P.
VARIABLE INTEREST ENTITY
Carrying Amount of Investment in VIE	195		189
Maximum Exposure to Loss	325		374
Affiliate loan receivable	25		80
Credit facility provided	105		105
Variable Interest Entity, Not Primary Beneficiary | Woodfibre LNG LP
VARIABLE INTEREST ENTITY
Carrying Amount of Investment in VIE	635
Maximum Exposure to Loss			2,476
Variable Interest Entity, Not Primary Beneficiary | Other
VARIABLE INTEREST ENTITY
Carrying Amount of Investment in VIE	245		210
Maximum Exposure to Loss	$ 443		$ 426