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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, 2023
Jun. 30, 2022
Property, plant and equipment    
Capital commitments R 47,565 R 45,284
Shutdown and major statutory maintenance    
Property, plant and equipment    
Capital commitments 8,875 7,963
Capital expenditure 7,785 6,082
Environmental projects to sustain operations    
Property, plant and equipment    
Capital commitments 6,497 3,449
Capital expenditure 2,295 1,520
Clean fuels II    
Property, plant and equipment    
Capital commitments 3,134 2,632
Capital expenditure 1,284 893
Environmental projects to expand operations    
Property, plant and equipment    
Capital commitments   640
Capital expenditure 389  
Mozambique exploration and development    
Property, plant and equipment    
Capital commitments 10,544 11,448
Capital expenditure R 5,465 R 1,377