Cover - shares	9 Months Ended
	Apr. 30, 2026	Jun. 11, 2026
Cover [Abstract]
Entity Registrant Name	Quantum Genesis AI Corp.
Entity Central Index Key	0001663038
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--07-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	true
Entity Current Reporting Status	Yes
Document Period End Date	Apr. 30, 2026
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2026
Entity Ex Transition Period	false
Entity Common Stock Shares Outstanding		40,972,050
Entity File Number	000-56725
Entity Incorporation State Country Code	NV
Entity Address Address Line 1	15656 Bernardo Center Drive
Entity Address Address Line 2	Suite 801
Entity Address City Or Town	San Diego
Entity Address State Or Province	CA
Entity Address Postal Zip Code	92127
City Area Code	1 858
Local Phone Number	203-0312
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes