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Intangible Assets | 12 Months Ended
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Dec. 31, 2024
Disclosure of detailed information about intangible assets [abstract] |
Intangible Assets | 18. Intangible Assets
(CAD$ in millions) |  | Total
At January 1, 2023 |  |
Cost |  | $ | 525 |
Accumulated amortization and impairment |  | (125) |
Net book value |  | $ | 400 |
Year ended December 31, 2023 |  |
Opening net book value |  | $ | 400 |
Additions – internal development |  | 83 |
Amortization |  | (50) |
Impairment |  | (88) |
Closing net book value |  | $ | 345 |
At December 31, 2023 |  |
Cost |  | $ | 608 |
Accumulated amortization and impairment |  | (263) |
Net book value |  | $ | 345 |
Year ended December 31, 2024 |  |
Opening net book value |  | $ | 345 |
Additions – internal development |  | 17 |
Amortization |  | (43) |
Impairment |  | (75) |
Change in foreign exchange rates |  | 3 |
Sale of steelmaking coal business |  | (51) |
Closing net book value |  | $ | 196 |
At December 31, 2024 |  |
Cost |  | $ | 577 |
Accumulated amortization and impairment |  | (381) |
Net book value |  | $ | 196 |
The $75 million impairment in 2024 includes $38 million that was presented as part of asset impairment expense related to the impairment of the Trail CGU (Note 9(a)).

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- Definition The entire disclosure for intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Section Disclosure -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&doctype=Standard&dita_xref=IAS38_g118-128_TI -URIDate 2024-03-27 + Details
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