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GOODWILL (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | $ 31,848 | $ 32,440
Foreign exchange and other | 2,264 | (638)
Dispositions | (1,026) |
Acquisition | 3,514 | 46
Goodwill, ending balance | 36,600 | 31,848
Goodwill, gross at end of period | 40,700 | 35,900
Goodwill accumulated impairment | 4,100 | 4,100
Goodwill, written off related to sale of business unit | 1,026 |
Aitken Creek Gas Storage Facility |  |
Goodwill [Roll Forward] |  |
Acquisition |  | 46
Public Service Company of North Carolina, Incorporated |  |
Goodwill [Roll Forward] |  |
Acquisition | 895 |
Questar Gas Company |  |
Goodwill [Roll Forward] |  |
Acquisition | 793 |
The East Ohio Gas Company |  |
Goodwill [Roll Forward] |  |
Acquisition | 1,600 |
RNG Facilities |  |
Goodwill [Roll Forward] |  |
Acquisition | 223 |
Disposal Group, Alliance Pipeline And Aux Sable |  |
Goodwill [Roll Forward] |  |
Dispositions | (1,000) |
Goodwill, written off related to sale of business unit | 1,000 |
Liquids Pipelines |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 8,344 | 8,549
Foreign exchange and other | 672 | (205)
Dispositions | 0 |
Acquisition | 0 | 0
Goodwill, ending balance | 9,016 | 8,344
Goodwill, written off related to sale of business unit | 0 |
Gas Transmission |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 17,727 | 18,106
Foreign exchange and other | 1,354 | (425)
Dispositions | (1,026) |
Acquisition | 223 | 46
Goodwill, ending balance | 18,278 | 17,727
Goodwill, written off related to sale of business unit | 1,026 |
Gas Distribution and Storage |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 5,397 | 5,397
Foreign exchange and other | 204 | 0
Dispositions | 0 |
Acquisition | 3,291 | 0
Goodwill, ending balance | 8,892 | 5,397
Goodwill, written off related to sale of business unit | 0 |
Renewable Power Generation |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 380 | 388
Foreign exchange and other | 34 | (8)
Dispositions | 0 |
Acquisition | 0 | 0
Goodwill, ending balance | 414 | $ 380
Goodwill, written off related to sale of business unit | $ 0 |

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