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Cash generated by operating activities (Details) - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Cash generated by operating activities      
Cash flow from operations R 46,638 R 46,236 R 52,973
(Increase)/decrease in working capital (3,761) (2,167) 1,700
Cash generated by operating activities R 42,877 R 44,069 R 54,673