v3.25.2
Cover
9 Months Ended
Jun. 30, 2025
shares
Cover [Abstract]  
Document Type 10-Q
Amendment Flag false
Document Quarterly Report true
Document Transition Report false
Document Period End Date Jun. 30, 2025
Document Fiscal Period Focus Q3
Document Fiscal Year Focus 2025
Current Fiscal Year End Date --09-30
Entity File Number 333-191725
Entity Registrant Name REGEN BIOPHARMA, INC.
Entity Central Index Key 0001589150
Entity Tax Identification Number 45-5192997
Entity Incorporation, State or Country Code NV
Entity Address, Address Line One 4700 Spring Street
Entity Address, Address Line Two St 304
Entity Address, City or Town La Mesa
Entity Address, State or Province CA
Entity Address, Postal Zip Code 91942
City Area Code 619
Local Phone Number 722-5505
Entity Current Reporting Status No
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 31,554,704
Entity Information, Former Legal or Registered Name None