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PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment by Operating Segments (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | $ 115,489 | $ 100,009 |
Right-of-use assets | 4,100 | 3,300 |
Costs |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 103,008 | 88,071 |
Accumulated fair value changes |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 31,074 | 28,384 |
Accumulated depreciation |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | (18,593) | (16,446) |
Renewable Power |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 50,317 | 45,206 |
Renewable Power | Costs |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 30,588 | 28,838 | $ 27,820
Renewable Power | Accumulated fair value changes |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 28,138 | 24,238 | 20,465
Renewable Power | Accumulated depreciation |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | (8,409) | (7,870) | (6,690)
Private Equity and Other [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 15,653 | 14,204 |
Private Equity and Other [Member] | Costs |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 21,255 | 18,770 |
Private Equity and Other [Member] | Accumulated fair value changes |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | (1,022) | (873) |
Private Equity and Other [Member] | Accumulated depreciation |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | (4,580) | (3,693) |
Infrastructure |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 38,655 | 32,167 |
Infrastructure | Costs |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 39,769 | 31,212 | 22,454
Infrastructure | Accumulated fair value changes |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 3,077 | 4,626 | 3,777
Infrastructure | Accumulated depreciation |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | (4,191) | (3,671) | (2,459)
Real Estate |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 10,864 | 8,432 | 9,729
Real Estate | Costs |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 11,396 | 9,251 | 9,890
Real Estate | Accumulated fair value changes |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | 881 | 393 | 1,366
Real Estate | Accumulated depreciation |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant and equipment | (1,413) | (1,212) | $ (1,527)
Property, plant and equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Assets subject to operating leases | 5,800 | 3,900 |
Right-of-use assets | 7,000 | 6,700 |
Property, plant and equipment [member] | Renewable Power |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Right-of-use assets | 415 | 393 |
Property, plant and equipment [member] | Private Equity and Other [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Right-of-use assets | 1,700 | 1,300 |
Property, plant and equipment [member] | Infrastructure |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Right-of-use assets | 4,000 | 4,100 |
Property, plant and equipment [member] | Real Estate |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Right-of-use assets | $ 905 | $ 856 |

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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2021-01-01 -Paragraph 53 -Subparagraph j -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_j&doctype=Standard -URIDate 2021-03-24 + Details
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