Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Apr. 30, 2019
Aug. 12, 2019
Oct. 31, 2018
Document And Entity Information [Abstract]      
Entity Registrant Name PharmaCyte Biotech, Inc.    
Entity Central Index Key 0001157075    
Document Type 10-K    
Document Period End Date Apr. 30, 2019    
Amendment Flag false    
Current Fiscal Year End Date --04-30    
Entity Filer Category Non-accelerated Filer    
Entity Common Stock, Shares Outstanding   1,328,171,172  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2019    
Entity Public Float     $ 58,830,398
Entity Current Reporting Status Yes    
Entity Well Known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Emerging Growth false    
Entity Small Business true    
Entity Shell Company false    
Interactive Data Current? Yes    
Incorporation State NV    
Entity File Number 333-68008