v3.25.3
Cover (Details)
 12 Months Ended
Jun. 30, 2025
shares
Document Information [Line Items]  
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Jun. 30, 2025
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-31545
Entity Registrant Name HARMONY GOLD MINING COMPANY LIMITED
Entity Incorporation, State or Country Code T3
Entity Address, Address Line One CNR WARD AVENUE AND MAIN REEF ROAD
Entity Address, Address Line Two RANDFONTEIN OFFICE PARK
Entity Address, City or Town RANDFONTEIN
Entity Address, Country ZA
Entity Address, Postal Zip Code 1759
Entity Common Stock, Shares Outstanding 634,767,724
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag true
Document Financial Statement Error Correction true
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Amendment Flag false
Entity Central Index Key 0001023514
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Current Fiscal Year End Date --06-30
Document Financial Statement Restatement Recovery Analysis [Flag] false
NEW YORK STOCK EXCHANGE, INC.  
Document Information [Line Items]  
Title of 12(b) Security Ordinary shares, with no par value per share
Security Exchange Name NYSE
No Trading Symbol Flag true
NEW YORK STOCK EXCHANGE, INC. | 8880 American Depositary Receipts  
Document Information [Line Items]  
Title of 12(b) Security American Depositary Shares (as evidenced by American Depositary Receipts), each representing one ordinary share
Trading Symbol HMY
Security Exchange Name NYSE
Business Contact  
Document Information [Line Items]  
Entity Address, Address Line One CNR Ward Avenue and Main Reef Road
Entity Address, Address Line Two Randfontein Office Park
Entity Address, City or Town Randfontein
Entity Address, Country ZA
Entity Address, Postal Zip Code 1759
Contact Personnel Name Shela Mohatla
City Area Code +27 11
Local Phone Number 411 2359
Contact Personnel Email Address shela.mohatla@harmony.co.za
Contact Personnel Fax Number +27 11 696 9734