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Earnings/(Loss) per Share - Disclosure of weighted-average number of ordinary shares (Details) - shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Basic |  |  |  |
Weighted Average number of ordinary shares [Line Items] |  |  |  |
Issued ordinary shares at January 1 (in shares) |  | 287,796,585 | 285,885,025 | 285,370,619
Effect of shares issued (in shares) | 690,772 | 705,958 | 233,048 |
Effect of dilutive shares (in shares) | 0 | 0 | 0 |
Effect of treasury shares purchased (in shares) | (3,727,922) | 0 | 0 |
Weighted average number of ordinary shareholders at December 31 to calculate basic earnings per share (in shares) | 284,759,435 | 286,590,983 | 285,603,667 |
Diluted |  |  |  |
Weighted Average number of ordinary shares [Line Items] |  |  |  |
Issued ordinary shares at January 1 (in shares) |  | 287,796,585 | 285,885,025 | 285,370,619
Effect of shares issued (in shares) | 690,772 | 705,958 | 233,048 |
Effect of dilutive shares (in shares) | 0 | 0 | 7,252,246 |
Effect of treasury shares purchased (in shares) | (3,727,922) | 0 | 0 |
Weighted average number of ordinary shareholders at December 31 to calculate diluted earnings per share (in shares) | 284,759,435 | 286,590,983 | 292,855,913 |

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- Definition The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2022-03-24 -Paragraph 70 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_70_b&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The number of dilutive potential ordinary shares that relate to the assumed exercise of the entity's share options. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 33 -IssueDate 2022-03-24 -Paragraph 70 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_70_b&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in the number of ordinary shares issued. [Refer: Ordinary shares [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 79 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2022-03-24 -Paragraph 70 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_70_b&doctype=Standard -URIDate 2022-03-24 + Details
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