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Income Tax Expense/(Benefit) - Disclosure of Detailed Information About Reconciliation of Accounting Profit Multiplied by Applicable Tax Rates (Details) (Parenthetical) | 12 Months Ended
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Jan. 31, 2021 | Jan. 31, 2020 | Jan. 31, 2019
Income taxes [Abstract] |  |  |
Applicable tax rate | 28.00% | 28.00% | 28.00%

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- 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 2020-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2020-01-01 + Details
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