| Cover | Sep. 21, 2023 |
| Cover [Abstract] | |
| Document Type | S-3/A |
| Amendment Flag | true |
| Amendment Description | various edits |
| 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 |
| Entity Filer Category | Non-accelerated Filer |
| Entity Small Business | true |
| Entity Emerging Growth Company | false |
| Document Creation Date | Sep. 21, 2023 |
