XML 271 R161.htm IDEA: XBRL DOCUMENT v3.21.2

Share Based Payment - Summary of Terms and Conditions Relating to Grants under Share Incentive Plan (Detail) - shares	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Restricted Stock Units [Member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Number of instruments	1,478,191	1,334,759	1,325,531
Vesting conditions	Refer notes	Refer notes	Refer notes
Contractual life	4 years 2 months 12 days	4 years 7 months 6 days	4 years 10 months 24 days
Employee Stock Options [Member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Number of instruments		21,588
Vesting conditions		Refer notes
Bottom of Range [Member] | Restricted Stock Units [Member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Contractual life	4 years	4 years	4 years
Bottom of Range [Member] | Employee Stock Options [Member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Contractual life		4 years
Top of Range [Member] | Restricted Stock Units [Member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Contractual life	8 years	8 years	8 years
Top of Range [Member] | Employee Stock Options [Member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Contractual life		7 years

X

- Definition

The description of the vesting requirements for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]]

+ References

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The number of instruments granted in share-based payment arrangement.

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- Definition

The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]

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