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Business Combinations - Summary of Net Cash Outflow (Inflow) on Acquisition of Subsidiary (Detail) ¥ in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended
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Sep. 30, 2020 CNY (¥) | Dec. 31, 2022 TWD ($)
Disclosure of detailed information about business combination [Line Items] |  |
Net cash outflow (inflow) on acquisition of subsidiaries | ¥ | ¥ 966,000 |
FAFG [member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Total consideration |  | $ 12,443,637
Total consideration |  | 11,094,802
Less: Cash and cash equivalent acquired |  | (2,349,164)
Net cash outflow (inflow) on acquisition of subsidiaries |  | 8,745,638
ITGEU |  |
Disclosure of detailed information about business combination [Line Items] |  |
Total consideration |  | 50,368
Less: Cash and cash equivalent acquired |  | (68,719)
Net cash outflow (inflow) on acquisition of subsidiaries |  | (18,351)
SER [Member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Total consideration |  | 217,919
Less: Cash and cash equivalent acquired |  | (18,850)
Net cash outflow (inflow) on acquisition of subsidiaries |  | $ 199,069

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- Definition The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2022-03-24 -Paragraph B64 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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