v3.26.1
Cover - USD ($)
12 Months Ended
Apr. 30, 2026
Jul. 24, 2026
Oct. 31, 2025
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Apr. 30, 2026    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2026    
Current Fiscal Year End Date --04-30    
Entity File Number 001-40699    
Entity Registrant Name PHARMACYTE BIOTECH, INC.    
Entity Central Index Key 0001157075    
Entity Tax Identification Number 62-1772151    
Entity Incorporation, State or Country Code NV    
Entity Address, Address Line One 3960 Howard Hughes Parkway    
Entity Address, Address Line Two Suite 500    
Entity Address, City or Town Las Vegas    
Entity Address, State or Province NV    
Entity Address, Postal Zip Code 89169    
City Area Code 917    
Local Phone Number 595-2850    
Title of 12(b) Security Common Stock, Par Value $0.0001 Per Share    
Trading Symbol PMCB    
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 false    
Entity Shell Company false    
Entity Public Float     $ 6,278,282
Entity Common Stock, Shares Outstanding   10,735,649  
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 199    
Auditor Name CBIZ CPAs P.C    
Auditor Location Morristown, New Jersey