XML 362 R210.htm IDEA: XBRL DOCUMENT v3.19.3
Financial risk management and financial instruments - Statement of Financial Position Impact (Details) - ZAR (R)
R in Millions
Jun. 30, 2019
Jun. 30, 2018
Derivatives and financial guarantees    
Financial risk management and financial instruments    
Financial liabilities R (2,205) R (2,059)
Derivatives    
Financial risk management and financial instruments    
Financial assets 645 1,827
Financial liabilities (2,028) (1,912)
Foreign exchange contracts    
Financial risk management and financial instruments    
Financial assets 15 42
Financial liabilities (44) (45)
Coal swaps    
Financial risk management and financial instruments    
Financial liabilities   (414)
Crude oil futures    
Financial risk management and financial instruments    
Financial liabilities (27) (91)
Zero-cost collar    
Financial risk management and financial instruments    
Financial assets 582 979
Financial liabilities (3) (1,317)
Crude oil options    
Financial risk management and financial instruments    
Financial assets   482
Interest rate swaps    
Financial risk management and financial instruments    
Financial assets 15 291
Financial liabilities (1,488) (45)
Ethane swaps    
Financial risk management and financial instruments    
Financial assets 2 33
Financial liabilities (456)  
Other commodity derivatives    
Financial risk management and financial instruments    
Financial assets 31  
Financial liabilities (10)  
Financial guarantees    
Financial risk management and financial instruments    
Financial liabilities R (177) R (147)