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Earnings per share (Details) - shares | 12 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Profit / (loss) per share attributable to equity holders of the parent: (ii) |  |  |
Weighted average outstanding shares | 748,000,000 | 756,000,000 | 550,000,000
Adjustments for calculation of diluted earnings per share Treasury shares | (11,000,000) | (23,000,000) |
Adjustments for calculation of diluted earnings per share warrants | 8 | 8 | 0
Weighted - average diluted common shares | 745,000,000 | 741,000,000 | 550,000,000

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