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Financial instruments - Disclosure of net value of unsettled positions for derivative forward contracts and swaps (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
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Financial Instruments [Abstract] |  |
Unrealized gains in Other current assets | $ 7 | $ 12
Unrealized losses in Current financial debts | (10) | (4)
Net value of unsettled positions for derivatives contracts | $ (3) | $ 8

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- Definition Current Derivative Financial Assets (Liabilities), Net + References No definition available. + Details
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- Definition Financial Instruments + References No definition available. + Details
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- Definition The amount of current derivative financial assets. [Refer: Derivative financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of current derivative financial liabilities. [Refer: Derivative financial liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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