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INTANGIBLE ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets |
December 31, 2022 | Weighted Average Amortization Rate | Cost | Accumulated Amortization | Net
(millions of Canadian dollars) |  |  |  |
Software | 10.9 | % | 2,019 |  | (1,042) |  | 977 |
Power purchase agreements | 4.2 | % | 64 |  | (23) |  | 41 |
Project agreement 1 | 4.0 | % | 163 |  | (36) |  | 127 |
Customer relationships | 8.6 | % | 2,701 |  | (459) |  | 2,242 |
Other intangible assets | 5.9 | % | 621 |  | (148) |  | 473 |
Under development | — | % | 158 |  | — |  | 158 |
|  | 5,726 |  | (1,708) |  | 4,018 |
December 31, 2021 | Weighted Average Amortization Rate | Cost | Accumulated Amortization | Net
(millions of Canadian dollars) |  |  |  |
Software | 12.0 | % | 2,067 |  | (1,148) |  | 919 |
Power purchase agreements | 4.5 | % | 63 |  | (21) |  | 42 |
Project agreement 1 | 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 |
1 Represents a project agreement acquired from the merger of Enbridge and Spectra Energy.

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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