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GOODWILL - Cash Generating Units (Details) - Goodwill - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | $ 14,101 | $ 14,488 | $ 8,789
North American residential decarbonization infrastructure operation |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 3,050 | 3,117 |
European residential decarbonization infrastructure business |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 2,126 | 1,881 |
North American rail operation |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 2,099 | 2,098 |
Canadian diversified midstream operation |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 1,871 | 2,028 |
Global intermodal logistics operation |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 1,163 | 1,163 |
European hyperscale data center platform |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 721 | 797 |
Canadian natural gas gathering and processing operation |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 669 | 726 |
Indian telecom tower operation |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 523 | 242 |
U.S. colocation data center operation |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 503 | 503 |
Brazilian regulated gas transmission operation |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 411 | 526 |
Colombian natural gas distribution operation |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 404 | 461 |
U.K. wireless infrastructure operation |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | 344 | 350 |
Other |  |  |
Disclosure of information for cash-generating units [line items] |  |  |
Goodwill | $ 217 | $ 596 |

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- Definition The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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