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SUBSIDIARIES (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Nov. 30, 2022
Australian rail operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 100.00% | 100.00% |
U.K. regulated distribution operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 80.00% | 80.00% |
Voting interest (%) | 80.00% | 80.00% |
Brazilian regulated gas transmission operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 31.00% | 31.00% |
Voting interest (%) | 92.00% | 92.00% |
Colombian natural gas distribution operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 21.00% | 21.00% |
Voting interest (%) | 75.00% | 75.00% |
Brazilian electricity transmission operation(2),(3) |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 31.00% | 0.00% |
Voting interest (%) | 100.00% | 0.00% |
Disposal of ownership interest, percentage |  |  | 31.00%
European residential infrastructure operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 13.00% | 11.00% |
Voting interest (%) | 55.00% | 51.00% |
North American residential decarbonization infrastructure business |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 26.00% | 26.00% |
Voting interest (%) | 100.00% | 100.00% |
North American residential decarbonization infrastructure business |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 26.00% | 0.00% |
Voting interest (%) | 100.00% | 0.00% |
European residential decarbonization infrastructure business |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 25.00% | 0.00% |
Voting interest (%) | 100.00% | 0.00% |
Indian gas transmission operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 21.00% | 21.00% |
Voting interest (%) | 100.00% | 100.00% |
North American rail operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 9.00% | 9.00% |
Voting interest (%) | 100.00% | 100.00% |
U.K. ports operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 59.00% | 59.00% |
Voting interest (%) | 100.00% | 100.00% |
Australian port operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 27.00% | 27.00% |
Voting interest (%) | 100.00% | 100.00% |
Peruvian toll roads |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 17.00% | 17.00% |
Voting interest (%) | 57.00% | 57.00% |
Global intermodal logistics operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 28.00% | 0.00% |
Voting interest (%) | 100.00% | 0.00% |
North American gas storage - Warwick Gas Storage L.P. |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 25.00% | 25.00% |
Voting interest (%) | 100.00% | 100.00% |
North American gas storage operation - Lodi Gas Storage |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 40.00% | 40.00% |
Voting interest (%) | 100.00% | 100.00% |
North American gas storage operation - Rockpoint Gas Storage Partners L.P. |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 40.00% | 40.00% |
Voting interest (%) | 100.00% | 100.00% |
Canadian diversified midstream operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 56.00% | 56.00% |
Voting interest (%) | 100.00% | 100.00% |
Canadian natural gas gathering and processing operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 29.00% | 29.00% |
Voting interest (%) | 100.00% | 100.00% |
U.S. colocation data center operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 29.00% | 29.00% |
Voting interest (%) | 100.00% | 100.00% |
Australian data center operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 29.00% | 29.00% |
Voting interest (%) | 100.00% | 100.00% |
Indian Telecom Towers Operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 16.00% | 17.00% |
Voting interest (%) | 100.00% | 100.00% |
Indian Telecom Towers Operation, Crest Digitel Private Limited |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 16.00% | 17.00% |
Voting interest (%) | 100.00% | 100.00% |
U.K. wireless infrastructure operation |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 24.00% | 24.00% |
Voting interest (%) | 100.00% | 100.00% |
European hyperscale data center platform |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 19.00% | 0.00% |
Voting interest (%) | 100.00% | 0.00% |
Holding LP |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interest in subsidiary | 70.00% | 70.00% |
Voting interest (%) | 100.00% | 100.00% |

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