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Financial Instruments - Sensitivity Analysis of Exchange Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	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)

X

- Definition

Disclosure of foreign exchange rates.

+ References

No definition available.

+ Details

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X

- 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

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: