XML 209 R115.htm IDEA: XBRL DOCUMENT v3.19.3
Property, Plant and Equipment - Disclosure of Property, Plant and Equipment (Details) - ZAR (R)
R in Millions
Jun. 30, 2019
Jun. 30, 2018
Disclosure of detailed information about property, plant and equipment [line items]    
Total property, plant and equipment R 27,749 R 30,969
Mining assets    
Disclosure of detailed information about property, plant and equipment [line items]    
Total property, plant and equipment 20,549 24,203
Mining assets under construction    
Disclosure of detailed information about property, plant and equipment [line items]    
Total property, plant and equipment 2,964 2,528
Undeveloped properties    
Disclosure of detailed information about property, plant and equipment [line items]    
Total property, plant and equipment 3,965 3,974
Other non-mining assets    
Disclosure of detailed information about property, plant and equipment [line items]    
Total property, plant and equipment R 271 R 264