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Other Intangible Assets - Summary of Other Intangible Assets Useful Lives (Detail) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Bottom of range [member] | Customer relationships [Member] |  |
Disclosure of intangible assets with indefinite useful life [line items] |  |
Other intangible assets useful lives | 11 | 11
Bottom of range [member] | Computer software [Member] |  |
Disclosure of intangible assets with indefinite useful life [line items] |  |
Other intangible assets useful lives | 2 | 2
Bottom of range [member] | Patents and acquired specific technology [Member] |  |
Disclosure of intangible assets with indefinite useful life [line items] |  |
Other intangible assets useful lives | 5 | 5
Bottom of range [member] | Others [Member] |  |
Disclosure of intangible assets with indefinite useful life [line items] |  |
Other intangible assets useful lives | 5 | 5
Top of range [member] | Customer relationships [Member] |  |
Disclosure of intangible assets with indefinite useful life [line items] |  |
Other intangible assets useful lives | 16 | 16
Top of range [member] | Computer software [Member] |  |
Disclosure of intangible assets with indefinite useful life [line items] |  |
Other intangible assets useful lives | 10 | 10
Top of range [member] | Patents and acquired specific technology [Member] |  |
Disclosure of intangible assets with indefinite useful life [line items] |  |
Other intangible assets useful lives | 17 | 17
Top of range [member] | Others [Member] |  |
Disclosure of intangible assets with indefinite useful life [line items] |  |
Other intangible assets useful lives | 10 | 32

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- Definition The amortisation method used for intangible assets other than goodwill with finite useful lives. [Refer: Intangible assets other than goodwill; Depreciation and amortisation expense] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2021-01-01 -Paragraph 118 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2021-en-r&anchor=para_118_b&doctype=Standard -URIDate 2021-03-24 + Details
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- 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. + Details
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