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Decrease/(increase) in working capital (Details) - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Decrease/(increase) in working capital      
Decrease/(increase) in inventories R 1,913 R (12,281) R (4,872)
Decrease/(increase) in trade receivables 9,002 (9,414) (7,198)
(Decrease)/increase in trade payables (2,865) 10,159 4,916
Decrease/(increase) in working capital R 8,050 R (11,536) R (7,154)