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Revenue - Schedule of Changes in Contract Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Revenue [Abstract] |  |
Balance at the beginning of the year | $ 0 | $ 313
Revenue recognised during the year | 0 | 0
Invoices raised during the year | 0 | (307)
Translation exchange difference | 0 | (6)
Balance at the end of the year | $ 0 | $ 0

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- Definition The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer, when that right is conditioned on something other than the passage of time (for example, the entity’s future performance). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2020-01-01 -Paragraph 105 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_105&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2020-01-01 -Paragraph 116 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_116_a&doctype=Standard -URIDate 2020-01-01 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The increase (decrease) in contract assets resulting from cumulative catch-up adjustments to revenue. [Refer: Contract assets; Revenue from contracts with customers] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 15 -IssueDate 2020-01-01 -Paragraph 118 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_118_b&doctype=Standard -URIDate 2020-01-01 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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- Definition Increase decrease through cumulative catchup adjustments to revenue contract assets invoices raised. + 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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- Definition Increase​ decrease​ through​ cumulative​ catchup adjustments​ to revenue translation exchange difference. + References No definition available. + Details
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Namespace Prefix: | mmyt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration