v3.25.3
Foreign Exchange Translation Gain/(Loss) (Details)
R in Millions, $ in Millions
12 Months Ended
Jun. 30, 2025
ZAR (R)
R / $
Jun. 30, 2024
ZAR (R)
R / $
Jun. 30, 2023
ZAR (R)
R / $
Jun. 30, 2023
USD ($)
R / $
Jun. 30, 2025
ZAR_per_AUD
Jun. 30, 2025
papuaNewGuineanKinaPerAustralianDollar
Jun. 30, 2025
southAfricanRandPerUSDollar
Jun. 30, 2024
ZAR_per_AUD
Jun. 30, 2024
papuaNewGuineanKinaPerAustralianDollar
Disclosure of attribution of expenses by nature to their function [line items]                  
Effect Of Exchange Rate Changes On Borrowings R 46 R 83 R (820)            
Effect Of Exchange Rate Changes On Cash And Cash Equivalents and Other items (153) 14 186            
Foreign exchange translation gain/(loss) R (107) R 97 R (634)            
Closing rate 17.75 18.19 18.83 18.83 11.68 2.72 17.75 12.14 2.57
US$400 million facility - Sustainability Linked                  
Disclosure of attribution of expenses by nature to their function [line items]                  
Effect Of Exchange Rate Changes On Borrowings R (44) R (83)              
Eva Copper operations and related assets | US$400 million facility - Sustainability Linked                  
Disclosure of attribution of expenses by nature to their function [line items]                  
Draw down     R 2,919 $ 170