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Financial results (Details Narrative) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
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Notes and other explanatory information [abstract] |  |
Joint ventures | $ 277 | $ 1,522
Fair value |  | $ 103

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- Definition The amount of receivables due from joint ventures. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 78 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_b&doctype=Standard -URIDate 2023-03-23 + Details
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