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Financial Instruments - Fair Value Hierarchy - Additional Information (Detail) | 12 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Disclosure Of Fair Value Measurement [Abstract] |  |
Transfers between Level 1, Level 2 or Level 3 of fair value hierarchy, description | There were no transfers between Level 1, Level 2 and Level 3 during the year. | There were no transfers between Level 1, Level 2 and Level 3 during the year.

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- Definition The statement that there were no transfers between Level 1, Level 2 or Level 3 of the fair value hierarchy of liabilities during the year. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_c&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph e -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_e_iv&doctype=Standard -URIDate 2020-01-01 + Details
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Namespace Prefix: | ifrs-full_
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Balance Type: | na
Period Type: | duration

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- Definition Disclosure of fair value measurement. + References No definition available. + Details
Name: | mmyt_DisclosureOfFairValueMeasurementAbstract
Namespace Prefix: | mmyt_
Data Type: | xbrli:stringItemType
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Period Type: | duration