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Earnings Per Share Attributable To Ordinary Equity Holders of The Parent - Summary of Basic and diluted earnings per share (Detail) - HKD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Numerator: |  |  |
Profit attributable to ordinary equity holders of the parent used in the basic earnings per share | $ 1,110,007,521 | $ 1,096,452,084 | $ 1,059,973,270
Class A ordinary shares [Member] |  |  |
Numerator: |  |  |
Profit attributable to ordinary equity holders of the parent used in the basic earnings per share | $ 513,186,052 | $ 299,742,816 | $ 249,206,548
Denominator: |  |  |
Weighted average number of shares outstanding—basic | 138,490,789 | 62,327,851 | 57,474,495
Basic earnings per share | $ 3.71 | $ 4.81 | $ 4.34
Numerator: |  |  |
Profit attributable to ordinary equity holders of the parent used in the diluted earnings per share | $ 513,186,052 | $ 299,742,816 | $ 248,629,790
Denominator: |  |  |
Weighted average number of ordinary shares outstanding—diluted | 138,490,789 | 62,327,851 | 58,966,142
Diluted earnings per share | $ 3.71 | $ 4.81 | $ 4.22
Class B ordinary shares [Member] |  |  |
Numerator: |  |  |
Profit attributable to ordinary equity holders of the parent used in the basic earnings per share | $ 596,821,469 | $ 796,709,268 | $ 810,766,722
Denominator: |  |  |
Weighted average number of shares outstanding—basic | 160,959,872 | 165,665,944 | 186,987,093
Basic earnings per share | $ 3.71 | $ 4.81 | $ 4.34
Numerator: |  |  |
Profit attributable to ordinary equity holders of the parent used in the diluted earnings per share | $ 596,821,469 | $ 796,709,268 | $ 810,766,722
Denominator: |  |  |
Weighted average number of ordinary shares outstanding—diluted | 160,959,872 | 165,665,944 | 186,987,093
Diluted earnings per share | $ 3.71 | $ 4.81 | $ 4.34

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- Definition Weighted average shares and adjusted weighted average shares diluted abstract. + References No definition available. + Details
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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 amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2022-03-24 -Paragraph 66 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_66&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2022-03-24 -Paragraph 67 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_67&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential 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 66 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_66&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2022-03-24 -Paragraph 67 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_67&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The profit (loss) attributable to ordinary equity holders of the parent entity, adjusted for the effects of all dilutive potential ordinary shares. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2022-03-24 -Paragraph 70 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2022-en-r&anchor=para_70_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 81B -Subparagraph a -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_81B_a_ii&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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