v3.25.3
Share Capital - Narrative (Details) - R / shares
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Apr. 04, 2024
Feb. 21, 2024
Disclosure of classes of share capital [line items]        
Shares issued relating to exercise of share options (in shares) 2,133,311 1,910,916    
Ordinary shares        
Disclosure of classes of share capital [line items]        
Number of shares authorised (in shares) 1,200,000,000 1,200,000,000    
Number of shares issued and fully paid (in shares) 634,767,724 632,634,413    
Convertible preference shares        
Disclosure of classes of share capital [line items]        
Number of shares authorised (in shares) 6,866,103 6,866,103    
Number of shares issued and fully paid (in shares) 6,866,103 6,866,103    
Harmony ESOP Trust | Share trust controlled by entity | Ordinary shares        
Disclosure of classes of share capital [line items]        
Number of shares in entity held by entity or by its subsidiaries or associates (in shares)     12,651,525  
Harmony Gold Community Trust | Share trust controlled by entity        
Disclosure of classes of share capital [line items]        
Minimum annual preference dividend (in rand per share)   R 2    
Harmony Gold Community Trust | Share trust controlled by entity | Convertible preference shares        
Disclosure of classes of share capital [line items]        
Number of shares in entity held by entity or by its subsidiaries or associates (in shares) 6,866,103 6,866,103   2,466,103