Cover - USD ($)	12 Months Ended
	Oct. 31, 2025	Jan. 28, 2026	Apr. 30, 2025
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Oct. 31, 2025
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2025
Current Fiscal Year End Date	--10-31
Entity File Number	001-04641
Entity Registrant Name	Kaival Brands Innovations Group, Inc.
Entity Central Index Key	0001762239
Entity Tax Identification Number	83-3492907
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	None
Entity Address, Postal Zip Code	32949
City Area Code	(833)
Local Phone Number	452-4825
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	KAVL
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
Elected Not To Use the Extended Transition Period	false
Entity Shell Company	false
Entity Public Float			$ 5,540,305
Entity Common Stock, Shares Outstanding		13,535,402
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Auditor Firm ID	206
Auditor Name	MaloneBailey, LLP
Auditor Location	Houston, Texas