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INVESTMENT IN ASSOCIATES - Cash Flows Impact of Investments (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of Associates and Joint Ventures [Line Items] |  |  |
Cash from operating activities | $ 1,059 | $ 893 | $ 839
Cash used by investing activities | (3,174) | (1,047) | 326
Cash from financing activities | 2,183 | (4) | (868)
Change during the year | 68 | (158) | $ 297
Associates And Joint Ventures |  |  |
Disclosure of Associates and Joint Ventures [Line Items] |  |  |
Cash from operating activities | 380 | 427 |
Cash used by investing activities | (395) | (452) |
Cash from financing activities | 1 | (162) |
Change during the year | (14) | (187) |
Associates And Joint Ventures | Other Ownership Interests |  |  |
Disclosure of Associates and Joint Ventures [Line Items] |  |  |
Change during the year | (13) | (172) |
Associates And Joint Ventures | Brookfield Infrastructure Partners LP |  |  |
Disclosure of Associates and Joint Ventures [Line Items] |  |  |
Change during the year | (1) | (15) |
Australian Regulated Utility |  |  |
Disclosure of Associates and Joint Ventures [Line Items] |  |  |
Cash from operating activities | 380 | 427 |
Cash used by investing activities | (395) | (452) |
Cash from financing activities | 1 | (162) |
Change during the year | (14) | (187) |
Australian Regulated Utility | Other Ownership Interests |  |  |
Disclosure of Associates and Joint Ventures [Line Items] |  |  |
Change during the year | (13) | (172) |
Australian Regulated Utility | Brookfield Infrastructure Partners LP |  |  |
Disclosure of Associates and Joint Ventures [Line Items] |  |  |
Change during the year | $ (1) | $ (15) |

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- Definition The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 10 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_10&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 50 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_50_d&doctype=Standard -URIDate 2023-03-23 + Details
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