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Share-based payment reserve - Sasol Khanyisa Employee Share Ownership (Details) - ZAR (R)
12 Months Ended
Jun. 01, 2018
Jun. 30, 2021
Retained earnings    
Share-based payment transaction    
Amount reclassified from the share-based payments reserve to retained earnings upon vesting   R 1,889,000,000
Sasol Khanyisa share transaction    
Share-based payment transaction    
Transaction term 10 years  
Tier 1 - Eligible Inzalo participants    
Share-based payment transaction    
Cost of rights granted for participants R 0  
Value of rights granted R 100,000  
Service period 3 years  
Vesting period 3 years  
Tier 1 - Eligible Inzalo participants | Retained earnings    
Share-based payment transaction    
Amount reclassified from the share-based payments reserve to retained earnings upon vesting   R 1,900,000,000
Tier 2 - Qualifying employees    
Share-based payment transaction    
Percentage of beneficial ownership   9.20%
Percentage of dividend utilised for repayment of vendor funding and financial cost   97.50%
Trickle dividends percentage   2.50%
Tier 2 - Qualifying employees | Prime rate    
Share-based payment transaction    
Percentage of base rate used to calculate financing cost   75.00%