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Share Based Compensation - Additional Information (Detail) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Jul. 31, 2021 shares | Aug. 03, 2020 shares | Dec. 31, 2022 HKD ($) shares | Dec. 31, 2021 shares
Share Incentive Two Thousand And Nineteen Plan [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Number of shares issued |  |  | 20,000,000 |
Restricted Share Units [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Weighted average fair value at measurement date, other equity instruments granted | $ |  |  | $ 5,743,340 |
RSUs were vested |  |  | 5,847 |
Class A Ordinary Shares [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Number of shares issued |  |  | 144,077,210 | 62,327,851
AMTD Digital [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Share based payment arrangement vesting period |  | vesting period of 3 years |  |
Share-based payment expense | $ |  |  | $ 1,595,372 |
Unrecognized compensation cost related | $ |  |  | $ 1,788,809 |
Weighted average vesting period |  |  | 1 year 1 month 6 days |
AMTD Digital [Member] | Restricted Share Units [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Number of other equity instruments granted | 17,540 |  |  |
AMTD Digital [Member] | Class A Ordinary Shares [Member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Number of other equity instruments granted |  | 38,710 |  |
2019 [member] |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |
Percent of automatic increase of shares on total issued and outstanding share capital |  |  | 10.00% |
Percent of additional automatic increase of shares on total issued and outstanding share capital |  |  | 1.00% |

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- Definition The description of the vesting requirements for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2022-03-24 -Paragraph 45 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions] + 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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