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Environmental rehabilitation obligation and other provisions - Summary (Details) - ZAR (R)
R in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Provision for decommissioning, restoration and rehabilitation costs [abstract]        
Environmental rehabilitation obligation R 11,805 R 11,355 R 8,435 R 8,146
Other provisions 444 1,982 117 R 117
Balance at end of the year 12,249 13,337 8,552  
Current portion of environmental rehabilitation obligation and other provisions (327) (832) 0  
Non-current portion of environmental rehabilitation obligation and other provisions R 11,922 R 12,505 R 8,552