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Earnings per share - Additional information (Detail) - shares | Jun. 30, 2023 | Jun. 30, 2022
--- | --- | ---
Treasury shares |  |
Earnings per share [line items] |  |
Ordinary shares in issue | 66,675,497 | 70,489,953
Ordinary shares |  |
Earnings per share [line items] |  |
Ordinary shares in issue | 1,141,513,196 | 1,162,563,018

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- Definition The number of shares issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 106 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_d&doctype=Standard -URIDate 2022-03-24 + Details
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- Details
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