v3.25.4

Revenue - Performance Obligations (Details)	9 Months Ended
	Dec. 31, 2025
Term-based software licenses
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligation, expected payment terms	90 days
Perpetual software licenses
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligation, expected payment terms	90 days
Other professional services
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligation, expected payment terms	90 days

X

- Definition

Revenue, Performance Obligation, Description Of Payment Terms, Period

+ References

No definition available.

+ Details

Name:	cvlt_RevenuePerformanceObligationDescriptionOfPaymentTermsPeriod
Namespace Prefix:	cvlt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_ProductOrServiceAxis=cvlt_TermBasedSoftwareLicensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=cvlt_PerpetualSoftwareLicensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=cvlt_ProfessionalServicesOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: