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PROPERTY, PLANT AND EQUIPMENT (Tables) | 12 Months Ended
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Dec. 31, 2019
Property, Plant and Equipment [Abstract] |
Schedule of Property, Plant and Equipment |
| Weighted Average |  |  |  |  |
December 31, | Depreciation Rate |  | 2019 |  | 2018 1 |
(millions of Canadian dollars) |  |  |  |  |  |
Pipelines | 2.5 | % | 56,330 |  | 51,647 |
Facilities and equipment | 2.7 | % | 29,287 |  | 27,149 |
Land and right-of-way 2 | 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 equipment 3 |  |  | 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).

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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