Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
9 Months Ended
Jan. 31, 2022
Mar. 15, 2022
Mar. 01, 2022
Cover [Abstract]      
Document Type 10-Q    
Amendment Flag false    
Document Quarterly Report true    
Document Transition Report false    
Document Period End Date Jan. 31, 2022    
Document Fiscal Period Focus Q3    
Document Fiscal Year Focus 2022    
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 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 Common Stock, Shares Outstanding   20,721,047 0