XML 353 R92.htm IDEA: XBRL DOCUMENT v3.20.1
SHARE BASED PAYMENTS - BEE Transaction (Details) - Sibanye Rustenburg Platinum Mines Proprietary Limited Subsidiary - ZAR (R)
R in Millions
12 Months Ended
Dec. 31, 2018
Oct. 19, 2016
Share-based payment on BEE transaction    
SHARE-BASED PAYMENTS    
Percentage of payment or distribution 74.00%  
Newshelf 1335 Proprietary Limited    
SHARE-BASED PAYMENTS    
Percentage of voting equity interests acquired   26.00%
Newshelf 1335 Proprietary Limited | Share-based payment on BEE transaction    
SHARE-BASED PAYMENTS    
Percentage of voting equity interests acquired 26.00%  
Incremental interest rate above highest cost of debt (as a percent) 0.20%  
Percentage of payment or distribution 26.00%  
Post payment used to service the facility (as a percent) 85.00%  
Post payment declared as a dividend (as a percent) 15.00%  
Post payment declared as a dividend after repayment (as a percent) 100.00%  
Facility capped amount R 3,500  
Percentage of expense restricted 44.80%