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PROPERTY, PLANT AND EQUIPMENT - Schedule of Renewable Property, Plant and Equipment (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | $ 124,268 | $ 115,489 |
Gross carrying amount [member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 112,314 | 103,008 |
Accumulated fair value changes |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 34,930 | 31,074 |
Accumulated depreciation and amortisation |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | (22,976) | (18,593) |
Renewable Power |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 55,243 | 50,317 |
Renewable Power | Gross carrying amount [member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 34,483 | 30,588 | $ 28,838
Additions, net of disposals and assets reclassified as held for sale | 1,675 | 475 |
Acquisitions through business combinations, property, plant and equipment | 3,086 | 2,366 |
Foreign currency translation | (866) | (1,091) |
Renewable Power | Accumulated fair value changes |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 30,726 | 28,138 | 24,238
Foreign currency translation | (1,180) | (565) |
Fair value changes | 3,903 | 4,819 |
Disposals, property, plant and equipment | (135) | (354) |
Renewable Power | Accumulated depreciation and amortisation |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | (9,966) | (8,409) | (7,870)
Foreign currency translation | (60) | 156 |
Disposals, property, plant and equipment | 97 | 815 |
Depreciation expenses | (1,594) | (1,510) |
Hydroelectric [Member] | Renewable Power |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 32,558 | 32,693 |
Hydroelectric [Member] | Renewable Power | Gross carrying amount [member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 12,480 | 13,871 | 13,899
Additions, net of disposals and assets reclassified as held for sale | (542) | 734 |
Acquisitions through business combinations, property, plant and equipment | 0 | 0 |
Foreign currency translation | (849) | (762) |
Hydroelectric [Member] | Renewable Power | Accumulated fair value changes |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 25,642 | 23,973 | 19,865
Foreign currency translation | (1,012) | (473) |
Fair value changes | 2,681 | 4,581 |
Hydroelectric [Member] | Renewable Power | Accumulated depreciation and amortisation |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | (5,564) | (5,151) | (4,731)
Foreign currency translation | 125 | 114 |
Disposals, property, plant and equipment | 86 | 22 |
Depreciation expenses | (624) | (556) |
Wind Energy, Solar and Other | Renewable Power |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 12,296 | 9,408 |
Wind Energy, Solar and Other | Renewable Power | Gross carrying amount [member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 11,904 | 9,033 | 8,398
Additions, net of disposals and assets reclassified as held for sale | 950 | (907) |
Acquisitions through business combinations, property, plant and equipment | 1,765 | 1,643 |
Foreign currency translation | 156 | (101) |
Wind Energy, Solar and Other | Renewable Power | Accumulated fair value changes |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 3,253 | 2,461 | 2,908
Foreign currency translation | (133) | (49) |
Fair value changes | 1,060 | (44) |
Disposals, property, plant and equipment | (135) | (354) |
Wind Energy, Solar and Other | Renewable Power | Accumulated depreciation and amortisation |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | (2,861) | (2,086) | (2,293)
Foreign currency translation | (222) | 14 |
Disposals, property, plant and equipment | 4 | 792 |
Depreciation expenses | (557) | (599) |
Solar and Other [Member] | Renewable Power |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 10,389 | 8,216 |
Solar and Other [Member] | Renewable Power | Gross carrying amount [member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 10,099 | 7,684 | 6,541
Additions, net of disposals and assets reclassified as held for sale | 1,267 | 648 |
Acquisitions through business combinations, property, plant and equipment | 1,321 | 723 |
Foreign currency translation | (173) | (228) |
Solar and Other [Member] | Renewable Power | Accumulated fair value changes |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | 1,831 | 1,704 | 1,465
Foreign currency translation | (35) | (43) |
Fair value changes | 162 | 282 |
Solar and Other [Member] | Renewable Power | Accumulated depreciation and amortisation |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Property, plant and equipment | (1,541) | (1,172) | $ (846)
Foreign currency translation | 37 | 28 |
Disposals, property, plant and equipment | 7 | 1 |
Depreciation expenses | $ (413) | $ (355) |

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- Definition The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_iii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_75_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_viii&doctype=Standard -URIDate 2021-03-24 + Details
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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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