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Property, plant and equipment- Leased assets (Details) - Plant, equipment and vehicles - ZAR (R)
R in Millions
Jun. 30, 2018
Jun. 30, 2017
Leased assets    
Leased assets R 7,547 R 2,060
Cost    
Leased assets    
Leased assets 9,116 3,182
Accumulated depreciation and impairment    
Leased assets    
Leased assets R (1,569) R (1,122)