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INTANGIBLE ASSETS - Cash Generating Units (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Disclosure of information for cash-generating units [line items] |  |
Total | $ 15,476 | $ 11,822
North American Residential Energy Infrastructure Operation |  |
Disclosure of information for cash-generating units [line items] |  |
Total | 3,394 | 1,674
Brazilian regulated gas transmission operation |  |
Disclosure of information for cash-generating units [line items] |  |
Total | 3,015 | 2,816
Canadian diversified midstream operation |  |
Disclosure of information for cash-generating units [line items] |  |
Total | 2,135 | 2,186
North American Rail Operation |  |
Disclosure of information for cash-generating units [line items] |  |
Total | 1,757 | 1,762
European Residential Decarbonization Infrastructure Business |  |
Disclosure of information for cash-generating units [line items] |  |
Total | 1,207 | 0
Peruvian toll roads |  |
Disclosure of information for cash-generating units [line items] |  |
Total | 1,086 | 1,031
Indian Telecom Towers Operation |  |
Disclosure of information for cash-generating units [line items] |  |
Total | 676 | 682
U.K. Telecom Towers Operation |  |
Disclosure of information for cash-generating units [line items] |  |
Total | 565 | 537
U.K. port operation |  |
Disclosure of information for cash-generating units [line items] |  |
Total | 271 | 258
Other |  |
Disclosure of information for cash-generating units [line items] |  |
Total | 868 | 876
Brazilian Electricity Transmission Operation |  |
Disclosure of information for cash-generating units [line items] |  |
Total | $ 502 | $ 0

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