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Long-term debt - Lake Charles Project (Details) - Jun. 30, 2018
R in Millions, $ in Millions
USD ($)
ZAR (R)
Long-term debt    
Utilised facilities | R   R 109,834
Available facilities | R   54,668
Lake Charles Chemicals Project    
Long-term debt    
Total facilities, term loan $ 3,995  
Utilised facilities 3,995  
Funds available from cash, cash flow from operations and general borrowings 7,135  
Cumulative funds paid from cash, cash flow from operations and general borrowings 5,243  
Remaining funds to be provided from cash, cash flow from operations and general borrowings 1,892 25,977
Total project funding requirement 11,130  
Total project funding utilised 9,238  
Total project funding remaining $ 1,892 R 25,977