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v3.20.1

Income Tax - Reconciliation of Statutory Tax Rate and Effective Tax Rate (Parenthetical) (Detail) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Reconciliation Of Accounting Profit Multiplied By Applicable Tax Rates [Abstract] |  |  |
Tax at statutory rate | 20.00% | 20.00% | 20.00%

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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 2019-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2019-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2019-03-27 + Details
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- References No definition available. + Details
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