Financial Instruments - Summary of Fair Values of Financial Assets and Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Cost [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Financial assets, at fair value	$ 5,409	$ 3,584
Financial assets not measured at fair value(Amortised cost)	99	99
Financial liabilities measured at fair value	14,875	14,921
Liabilities carried at amortized cost (Other financial liabilities)	188,309	1,031
Cost [Member] \| Other Liabilities Related to Business Combination [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Financial liabilities measured at fair value	14,875	14,921
Cost [Member] \| Convertible notes [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Liabilities carried at amortized cost (Other financial liabilities)	187,574
Cost [Member] \| Secured bank loans [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Liabilities carried at amortized cost (Other financial liabilities)	735	1,031
Fair value [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Financial assets, at fair value	5,409	3,584
Financial assets not measured at fair value(Amortised cost)	99	99
Financial liabilities measured at fair value	14,875	14,921
Liabilities carried at amortized cost (Other financial liabilities)	188,309	1,031
Fair value [Member] \| Other Liabilities Related to Business Combination [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Financial liabilities measured at fair value	14,875	14,921
Fair value [Member] \| Convertible notes [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Liabilities carried at amortized cost (Other financial liabilities)	187,574
Fair value [Member] \| Secured bank loans [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Liabilities carried at amortized cost (Other financial liabilities)	735	1,031
Other Investments- Equity Securities [Member] \| Cost [Member] \| FVOCI [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Financial assets, at fair value	5,409	3,584
Other Investments- Equity Securities [Member] \| Fair value [Member] \| FVOCI [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Financial assets, at fair value	5,409	3,584
Other investments - other securities [Member] \| Cost [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Financial assets not measured at fair value(Amortised cost)	99	99
Other investments - other securities [Member] \| Fair value [Member]
Disclosure Of Financial Assets And Financial Liabilities [Line Items]
Financial assets not measured at fair value(Amortised cost)	$ 99	$ 99

The amount of financial assets at amortised cost. The amortised cost is the amount at which financial assets are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount, and adjusted for any impairment. [Refer: Financial assets]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 8
-Subparagraph f
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_8_f&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_FinancialAssetsAtAmortisedCost
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The fair value of financial assets. [Refer: At fair value [member]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 25
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_25&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_FinancialAssetsAtFairValue
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]

+ References

+ Details

Name:	ifrs-full_FinancialLiabilitiesAtFairValue
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Disclosure Of Financial Assets and Financial Liabilities [line items]

+ References

No definition available.

+ Details

Name:	mmyt_DisclosureOfFinancialAssetsAndFinancialLiabilitiesLineItems
Namespace Prefix:	mmyt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Liabilities Carried at Amortized Cost.

+ References

No definition available.

+ Details

Name:	mmyt_LiabilitiesCarriedAtAmortizedCost
Namespace Prefix:	mmyt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	ifrs-full_MeasurementAxis=ifrs-full_GrossCarryingAmountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfLiabilitiesAxis=mmyt_OtherLiabilitiesRelatedToBusinessCombinationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfLiabilitiesAxis=mmyt_ConvertibleNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfLiabilitiesAxis=mmyt_SecuredBankLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_MeasurementAxis=ifrs-full_AtFairValueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=ifrs-full_OtherEquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfFinancialAssetsAxis=ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=mmyt_OtherInvestmentsOtherSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: