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GOODWILL | 12 Months Ended
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Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
GOODWILL | GOODWILL
| Liquids Pipelines | Gas Transmission and Midstream | Gas Distribution and Storage | Renewable Power Generation | Energy Services |  | Consolidated
(millions of Canadian dollars) |  |  |  |  |  |  |
Balance at January 1, 2021 | 7,828 |  | 19,480 |  | 5,378 |  | — |  | 2 |  |  | 32,688 |
Foreign exchange and other | (55) |  | (145) |  | — |  | — |  | — |  |  | (200) |
Acquisition 3 | 268 |  | — |  | 19 |  | — |  | — |  |  | 287 |
Balance at December 31, 2021 1,2 | 8,041 |  | 19,335 |  | 5,397 |  | — |  | 2 |  |  | 32,775 |
Impairment | — |  | (2,465) |  | — |  | — |  | — |  |  | (2,465) |
Foreign exchange and other | 506 |  | 1,236 |  | — |  | (4) |  | — |  |  | 1,738 |
Acquisition 4 | — |  | — |  | — |  | 392 |  | — |  |  | 392 |
Balance at December 31, 2022 1,2 | 8,547 |  | 18,106 |  | 5,397 |  | 388 |  | 2 |  |  | 32,440 |
1 Gross goodwill as at December 31, 2022 and 2021 was $36.5 billion and $34.4 billion, respectively. 2 Accumulated impairment as at December 31, 2022 and 2021 was $4.1 billion and $1.6 billion, respectively. 3 In 2021 we recorded $268 million of goodwill related to the acquisition of Moda. Refer to Note 8 - Acquisitions and Dispositions. 4 In 2022, we recorded $392 million of goodwill related to the acquisition of TGE. Refer to Note 8 - Acquisitions and Dispositions. IMPAIRMENT Gas Transmission During the year ended December 31, 2022, we recorded goodwill impairment of $2.5 billion related to our Gas Transmission reporting unit. The fair value of the reporting unit, determined using a combination of discounted cash flow and earnings multiples techniques, was impacted by a rise in cost of capital and lower projected long term growth rates for our existing assets.

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