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Income Tax (Credit) / Expense - Reconciliation of income tax expenses and profit before tax at statutory tax rate (Parenthetical) (Detail) |  | 12 Months Ended
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Mar. 28, 2018 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
HK [Member] |  |  |  |  |
Reconciliation Of Income Tax Expenses And Profit Before Tax At Statutory Tax Rate [Line Items] |  |  |  |  |
Applicable tax rate | 16.50% | 16.50% | 16.50% | 16.50% | 16.50%

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- Definition Reconciliation Of Income Tax Expenses And Profit Before Tax At Statutory Tax Rate + References No definition available. + Details
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- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2022-03-24 + Details
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- Details
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