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Business Combinations - Summary of Consideration Transferred in business combination (Detail) - Dec. 31, 2021 $ in Thousands, $ in Thousands | TWD ($) | USD ($)
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AMPI [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Fair value of identifiable net assets acquired | $ 849,863 |
AMPI [member] | Consideration transferred [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Cash | 250,000 |
Fair value of identifiable net assets acquired | 250,000 |
ASEEE [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Fair value of identifiable net assets acquired | 215,233 |
ASEEE [member] | Consideration transferred [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Cash | 0 |
Fair value of identifiable net assets acquired | 0 |
USIPL [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Fair value of identifiable net assets acquired | 331,192 |
USIPL [member] | Consideration transferred [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Cash | 313,057 |
Fair value of identifiable net assets acquired | 313,057 |
FAFG [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Cash | 11,094,802 |
Fair value of identifiable net assets acquired | 9,876,084 |
FAFG [member] | Consideration transferred [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Cash | 11,094,802 |
Equity instrument issued | 1,734,570 |
Contingent consideration arrangement | (385,735) |
Fair value of identifiable net assets acquired | 12,443,637 |
ITGEU [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Fair value of identifiable net assets acquired | 83,482 | $ 3,009
ITGEU [member] | Consideration transferred [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Cash | 50,368 | 1,816
Fair value of identifiable net assets acquired | 50,368 | 1,816
SER [Member] |  |
Disclosure of detailed information about business combination [line items] |  |
Fair value of identifiable net assets acquired | 217,919 | 7,856
SER [Member] | Consideration transferred [member] |  |
Disclosure of detailed information about business combination [line items] |  |
Cash | 217,919 | 7,856
Fair value of identifiable net assets acquired | $ 217,919 | $ 7,856

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- Definition The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph B64 -Subparagraph f -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f_i&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
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- Definition The amount, at acquisition date, of contingent consideration arrangements recognised as 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 2021-01-01 -Paragraph B64 -Subparagraph g -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_g_i&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
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- Definition The fair value, at the acquisition date, of equity interests of the acquirer transferred as consideration in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph B64 -Subparagraph f -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f_iv&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
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- Definition The amount recognised as of the acquisition date for net identifiable assets acquired or liabilities assumed in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph B64 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph IE72 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_IE72&doctype=Illustrative%20Examples -URIDate 2021-03-24 + Details
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