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Earnings per share - Additional Information (Detail) - shares | Jun. 30, 2021 | Jun. 30, 2020
--- | --- | ---
Treasury shares [member] |  |
Earnings per share [line items] |  |
Ordinary shares in issue | 70,489,953 | 70,750,170
Ordinary shares [member] |  |
Earnings per share [line items] |  |
Ordinary shares in issue | 1,270,102,274 | 1,296,079,242

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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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 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
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- Details
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- Details
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