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v3.23.2

Changes in accounting policies - Restatement of deferred tax balances (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Jun. 30, 2023
Other Disclosures [Line Items] |  |  |
Deferred tax assets | $ 2,796 | [1] | $ 3,085
Deferred tax liabilities | (3,164) | [1] | $ (3,078)
Deferred tax assets arising from: |  |  |
- Provisions and other liabilities | 1,586 |  |
- Capital allowances | (57) |  |
Net deferred tax assets | 1,529 |  |
Deferred tax liabilities arising from Capital allowances | (1,062) |  |
Opening Balance |  |  |
Other Disclosures [Line Items] |  |  |
Deferred tax assets | 2,766 |  |
Deferred tax liabilities | (3,601) |  |
Impact of IAS 12 amendments |  |  |
Other Disclosures [Line Items] |  |  |
Deferred tax assets | 30 |  |
Deferred tax liabilities | 437 |  |
Net impact of IAS 12 amendments on deferred tax balances | $ 467 |  |
[1] | Comparative information has been restated to reflect the adoption of narrow scope amendments to IAS12 'Income Taxes', refer to note 2 for details.

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- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph g -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_g_i&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph o -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_o&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 56 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_56&doctype=Standard -URIDate 2023-03-23 + Details
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