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Trade and other receivables - Business segmentation (Details) - ZAR (R)
R in Millions
Jun. 30, 2019
Jun. 30, 2018
Disclosure of operating segments    
Trade and other receivables R 28,578 R 29,729
Mining    
Disclosure of operating segments    
Trade and other receivables 276 428
Exploration And Production International    
Disclosure of operating segments    
Trade and other receivables 497 736
Energy    
Disclosure of operating segments    
Trade and other receivables 10,357 11,487
Base Chemicals    
Disclosure of operating segments    
Trade and other receivables 7,603 7,022
Performance Chemicals    
Disclosure of operating segments    
Trade and other receivables 8,071 8,585
Group Functions    
Disclosure of operating segments    
Trade and other receivables R 1,774 R 1,471