Materials, energy and consumables used (Details) - ZAR (R) R in Millions	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Materials, energy and consumables used
Cost of raw materials	R 79,774	R 66,928	R 63,291
Cost of energy and other consumables used in production process	10,815	9,678	8,145
Materials, energy and consumables used	R 90,589	R 76,606	R 71,436

The amount of raw materials and consumables used in the production process or in the rendering of services. [Refer: Current raw materials]

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