| Document and Entity Information | Nov. 06, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 06, 2024 |
| Current Fiscal Year End Date | --12-31 |
| 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 Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
