PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

	Weighted Average
December 31,	Depreciation Rate		2019		20181
(millions of Canadian dollars)
Pipelines	2.5	%	56,330		51,647
Facilities and equipment	2.7	%	29,287		27,149
Land and right-of-way2	2.0	%	2,947		2,614
Gas mains, services and other	2.7	%	12,194		12,088
Storage	2.3	%	2,748		2,730
Wind turbines, solar panels and other	4.1	%	4,914		5,015
Other	6.4	%	1,486		1,463
Under construction	—	%	4,057		9,698
Total property, plant and equipment3			113,963		112,404
Total accumulated depreciation			(20,240	)	(17,864	)
Property, plant and equipment, net			93,723		94,540

1 Asset categories were revised and collapsed in the current year. 2018 comparative figures have been reclassified to conform to current year's asset classifications.

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

3 Certain assets were reclassified as held for sale as at December 31, 2019 and December 31, 2018 (Note 8).