INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

	Weighted Average			Accumulated
December 31, 2021	Amortization Rate		Cost	Amortization	Net
(millions of Canadian dollars)
Software	12.0	%	2,067	(1,148)	919
Power purchase agreements	4.5	%	63	(21)	42
Project agreement1	4.0	%	152	(27)	125
Customer relationships	8.5	%	2,532	(215)	2,317
Other intangible assets	3.9	%	475	(116)	359
Under development	—	%	246	—	246
			5,535	(1,527)	4,008

	Weighted Average			Accumulated
December 31, 2020	Amortization Rate		Cost	Amortization	Net
(millions of Canadian dollars)
Software	10.5	%	2,043	(1,299)	744
Power purchase agreements	4.5	%	63	(18)	45
Project agreement1	4.0	%	153	(21)	132
Customer relationships	5.0	%	724	(139)	585
Other intangible assets	2.7	%	456	(96)	360
Under development	—	%	214	—	214
			3,653	(1,573)	2,080

1Represents a project agreement acquired from the merger of Enbridge and Spectra Energy.