Amount settle to various vendor agreements owed in return for shares.

No definition available.

Name:	devs_AgreementsToVendorsOwedSettlementAmount
Namespace Prefix:	devs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of share price drops below 80%-90% of the respective purchase prices outlined in the agreements.

+ References

No definition available.

+ Details

Name:	devs_ExpectedPercentageOfSharePriceDropInPurchasePrice
Namespace Prefix:	devs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares owed in return to settle vendors agreements.

+ References

No definition available.

+ Details

Name:	devs_NumberOfSharesOwedInReturnToSettleVendorsAgreements
Namespace Prefix:	devs_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Share price drops period in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	devs_SharePriceDropInPurchasePricePeriod
Namespace Prefix:	devs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	devs_SharesIssuedForSettlementOfPayablesAndSharesIssuedForCarbonCreditPurchasesAbstract
Namespace Prefix:	devs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

No definition available.

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.

+ References

No definition available.

+ Details

Name:	us-gaap_StockIssuedDuringPeriodValueIssuedForServices
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=devs_DevvStreamHoldingsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
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Subsequent events, Shares Issued for Settlement of Payables and Shares Issued for Carbon Credit Purchases (FY) (Details)						3 Months Ended	6 Months Ended
	Dec. 27, 2024 shares	Nov. 06, 2024 USD ($) shares	Oct. 28, 2024 USD ($) shares	Sep. 05, 2024 USD ($) shares	Sep. 05, 2024 CAD ($) shares	Jan. 31, 2025 USD ($) shares	Jan. 31, 2025 USD ($) shares
Shares Issued for Settlement of Payables and Shares Issued for Carbon Credit Purchases [Abstract]
Shares issued (in shares)		5,159,209
Shares issued to consideration for services \| $		$ 3,147,118				$ 585,155	$ 585,155
Common Stock [Member]
Shares Issued for Settlement of Payables and Shares Issued for Carbon Credit Purchases [Abstract]
Shares issued (in shares)						557,290	557,290
DevvStream Holdings, Inc. [Member]
Shares Issued for Settlement of Payables and Shares Issued for Carbon Credit Purchases [Abstract]
Shares issued (in shares)		11,768,884		104,379	104,379
Shares issued to consideration for services				$ 39,527	$ 55,050
Agreements to vendors settlement amount \| $			$ 5,900,000
Number of shares owed in return (in shares)			1,187,538
DevvStream Holdings, Inc. [Member] \| Common Stock [Member]
Shares Issued for Settlement of Payables and Shares Issued for Carbon Credit Purchases [Abstract]
Shares issued (in shares)	412,478	3,249,876
DevvStream Holdings, Inc. [Member] \| Common Stock [Member] \| Minimum [Member]
Shares Issued for Settlement of Payables and Shares Issued for Carbon Credit Purchases [Abstract]
Percentage of share price drop		80.00%
Price drop period		12 months
DevvStream Holdings, Inc. [Member] \| Common Stock [Member] \| Maximum [Member]
Shares Issued for Settlement of Payables and Shares Issued for Carbon Credit Purchases [Abstract]
Percentage of share price drop		90.00%
Price drop period		18 months