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Significant events and transactions since 30 June 2019 (Details) - ZAR (R)
R in Millions
6 Months Ended 12 Months Ended
Dec. 31, 2019
Jun. 30, 2019
Significant events and transactions    
Gain from disposal of equity interest R 983 R 267
Sasol Huntsman GmbH & co KG    
Significant events and transactions    
Gain from disposal of equity interest R 936  
Disposal of equity interest (as a percent) 50.00%