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Materials, energy and consumables used (Details) - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Materials, energy and consumables used      
Cost of raw materials R 102,915 R 114,889 R 126,338
Cost of energy and other consumables used in production process 26,226 23,068 25,959
Materials, energy and consumables used 129,141 137,957 152,297
Reduction relating to compensation from Transnet (3,900)    
Net carbon tax expense 1,600 1,400 1,700
Carbon credits R 723 R 580 R 247