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Significant Accounting Policies - Summary of Estimated Useful Lives of Assets on Amortization of Assets Other than Goodwill Calculated (Detail) | 12 Months Ended
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Mar. 31, 2021
Technology Related Development Costs [Member] | Bottom of Range [Member] |
Disclosure Of Intangible Assets [Line Items] |
Estimated useful lives of intangible assets | 2 years
Technology Related Development Costs [Member] | Top of Range [Member] |
Disclosure Of Intangible Assets [Line Items] |
Estimated useful lives of intangible assets | 5 years
Software [Member] | Bottom of Range [Member] |
Disclosure Of Intangible Assets [Line Items] |
Estimated useful lives of intangible assets | 3 years
Software [Member] | Top of Range [Member] |
Disclosure Of Intangible Assets [Line Items] |
Estimated useful lives of intangible assets | 5 years
Customer Related Intangible Assets [Member] | Bottom of Range [Member] |
Disclosure Of Intangible Assets [Line Items] |
Estimated useful lives of intangible assets | 7 years
Customer Related Intangible Assets [Member] | Top of Range [Member] |
Disclosure Of Intangible Assets [Line Items] |
Estimated useful lives of intangible assets | 10 years
Contract Related Intangible Assets [member] | Bottom of Range [Member] |
Disclosure Of Intangible Assets [Line Items] |
Estimated useful lives of intangible assets | 5 years
Contract Related Intangible Assets [member] | Top of Range [Member] |
Disclosure Of Intangible Assets [Line Items] |
Estimated useful lives of intangible assets | 6 years
Marketing Related Intangible Assets [member] | Bottom of Range [Member] |
Disclosure Of Intangible Assets [Line Items] |
Estimated useful lives of intangible assets | 7 years
Marketing Related Intangible Assets [member] | Top of Range [Member] |
Disclosure Of Intangible Assets [Line Items] |
Estimated useful lives of intangible assets | 10 years

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- Definition The useful life, measured as period of time, used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2020-01-01 -Paragraph 118 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2020-en-r&anchor=para_118_a&doctype=Standard -URIDate 2020-01-01 + Details
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