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PROPERTY, PLANT AND EQUIPMENT - Key Valuation Metrics (Details) - Property, plant and equipment [member] - Infrastructure - Discounted cash flows | Dec. 31, 2021 | Dec. 31, 2020
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Utilities [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Terminal capitalization multiples | 20 |
Terminal Year |  | 10
Utilities [Member] | Bottom of range |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Discount rates | 7.00% | 7.00%
Terminal capitalization multiples |  | 7
Terminal Year | 10 |
Utilities [Member] | Top of range |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Discount rates | 11.00% | 14.00%
Terminal capitalization multiples |  | 23
Terminal Year | 20 |
Transport |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Terminal Year | 10 | 10
Transport | Bottom of range |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Discount rates | 7.00% | 7.00%
Terminal capitalization multiples | 9 | 9
Transport | Top of range |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Discount rates | 14.00% | 13.00%
Terminal capitalization multiples | 15 | 14
Midstream [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Discount rates | 15.00% | 15.00%
Terminal capitalization multiples | 10 | 10
Midstream [Member] | Bottom of range |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Terminal Year | 5 | 5
Midstream [Member] | Top of range |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Terminal Year | 10 | 10
Sustainable Resources [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Discount rates |  | 6.00%
Terminal capitalization multiples |  | 6
Terminal Year |  | 10

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The discount rate used in the current measurement of fair value less costs of disposal. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2021-01-01 -Paragraph 130 -Subparagraph f -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_130_f_iii&doctype=Standard -URIDate 2021-03-24 + Details
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