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Goodwill - Summary of reconciliation of changes in goodwill (Detail)	12 Months Ended
	Dec. 31, 2022 HKD ($)
Disclosure of reconciliation of changes in goodwill [line items]
Beginning balance	$ 0
Ending balance	58,675,041
Gross carrying amount [member]
Disclosure of reconciliation of changes in goodwill [line items]
Beginning balance	0
Ending balance	58,675,041
AMTD Digital [Member] | Gross carrying amount [member]
Disclosure of reconciliation of changes in goodwill [line items]
Arising from acquisition of AMTD Digital (Note 34)	$ 58,675,041

X

- Definition

The amount of additional goodwill recognised, except goodwill included in a disposal group that, on acquisition, meets the criteria to be classified as held for sale in accordance with IFRS 5. [Refer: Goodwill; Disposal groups classified as held for sale [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2022-03-24
-Paragraph B67
-Subparagraph d
-Clause ii
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-URIDate 2022-03-24

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X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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X

- Definition

The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2022-03-24
-Paragraph 134
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_134_a&doctype=Standard
-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2022-03-24
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-Subparagraph a
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-URIDate 2022-03-24

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2022-03-24
-Paragraph B67
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B
-URIDate 2022-03-24

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Number 1
-IssueDate 2022-03-24
-Paragraph 54
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_c&doctype=Standard
-URIDate 2022-03-24

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