Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
12 Months Ended
Jun. 30, 2021
Sep. 24, 2021
Dec. 31, 2020
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Jun. 30, 2021    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
Current Fiscal Year End Date --06-30    
Entity File Number 000-54878    
Entity Registrant Name PROPANC BIOPHARMA, INC.    
Entity Central Index Key 0001517681    
Entity Tax Identification Number 33-0662986    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 302    
Entity Address, Address Line Two 6 Butler Street    
Entity Address, City or Town Camberwell    
Entity Address, Country AU    
Entity Address, Postal Zip Code 3124    
City Area Code 61 03    
Local Phone Number 9882 0780    
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     $ 326,763
Entity Common Stock, Shares Outstanding   41,098,787