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Property, plant and equipment - Significant capital commitment (Details) - Property, plant and equipment - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Property, plant and equipment    
Capital commitments R 45,284 R 39,888
Shutdown and major statutory maintenance    
Property, plant and equipment    
Capital commitments 7,963 6,439
Capital expenditure 6,082 2,583
Environmental projects to sustain operations    
Property, plant and equipment    
Capital commitments 3,449 3,033
Capital expenditure 1,520 1,806
Clean fuels II    
Property, plant and equipment    
Capital commitments 2,632 1,483
Capital expenditure 893 237
Environmental projects to expand operations    
Property, plant and equipment    
Capital commitments 640  
Mozambique exploration and development    
Property, plant and equipment    
Capital commitments 11,448 10,786
Capital expenditure 1,377 234
Lake Charles Chemicals Project    
Property, plant and equipment    
Capital commitments   798
Capital expenditure R 99 R 684