Document and Entity Information - USD ($)	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Nov. 03, 2025	Jan. 31, 2025
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Period End Date	Jul. 31, 2025
Current Fiscal Year End Date	--07-31
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Document Transition Report	false
Entity File Number	001-40977
Entity Registrant Name	DEVVSTREAM CORP.
Entity Central Index Key	0001854480
Entity Incorporation, State or Country Code	A0
Entity Tax Identification Number	86-2433757
Entity Address, Address Line One	2108 N St., Suite 4254
Entity Address, City or Town	Sacramento
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95816
City Area Code	647
Local Phone Number	689-6041
Title of 12(b) Security	Common shares
Trading Symbol	DEVS
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float				$ 1,364,409
Entity Common Stock, Shares Outstanding			3,841,642
Auditor Firm ID	731	1930
Auditor Name	DAVIDSON & COMPANY LLP	MNP LLP
Auditor Location	Vancouver, Canada	Toronto, Canada