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Prepayments, Deposits And Other Receivables - Additional information (Detail) - HKD ($) | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure Of Detailed Information About Prepayments And Other Assets [Line Items] |  |
Expected credit loss | $ 3,920,121 | $ 0

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- Definition Disclosure Of Detailed Information About Prepayments And Other Assets + References No definition available. + Details
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Namespace Prefix: | amtd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant