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Related Parties - Summary of Transaction with Entity Providing Key Management Personnel Services (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2019
Disclosure Of Transactions Between Related Parties [Abstract] |  |  |
Key management personnel services | $ 5 | $ 4 | $ 2
Consultancy services | $ 13 | $ 28 | $ 26

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- References No definition available. + Details
Name: | ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Consultancy services fee. + References No definition available. + Details
Name: | mmyt_ConsultancyServicesFee
Namespace Prefix: | mmyt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Key management personnel services. + References No definition available. + Details
Name: | mmyt_KeyManagementPersonnelServicesFee
Namespace Prefix: | mmyt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration