PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

	Weighted Average
December 31,	Depreciation Rate		2020	2019
(millions of Canadian dollars)
Pipelines	2.7	%	57,391	56,330
Facilities and equipment	2.8	%	30,057	29,287
Land and right-of-way1	2.1	%	2,924	2,947
Gas mains, services and other	2.7	%	12,476	12,194
Storage	2.4	%	2,872	2,748
Wind turbines, solar panels and other	4.1	%	4,877	4,914
Other	8.1	%	1,595	1,486
Under construction	—	%	5,762	4,057
Total property, plant and equipment			117,954	113,963
Total accumulated depreciation			(23,383)	(20,240)
Property, plant and equipment, net			94,571	93,723

1 The measurement of weighted average depreciation rate excludes non-depreciable assets.