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Financial Instruments - Sensitivity Analysis of Exchange Rate (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
10% strengthening of USD against INR [Member] |  |
Disclosure of foreign exchange rates [Line Items] |  |
Effect of exchange rate changes | $ (19,072) | $ (15,152)

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- Definition Disclosure of foreign exchange rates. + References No definition available. + Details
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Namespace Prefix: | mmyt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Effect of exchange rate changes on profit loss. + References No definition available. + Details
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Namespace Prefix: | mmyt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |