XML 77 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1
IMPAIRMENT OF GOODWILL AND OTHER ASSETS (Narrative Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 09, 2017
Mar. 28, 2017
Jun. 30, 2018
Jun. 30, 2017
Mar. 31, 2017
Jun. 30, 2018
Jun. 30, 2017
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment loss (impairment gain and reversal of impairment loss) determined in accordance with IFRS 9     $ 59 $ (5)   $ 61 $ (1,130)
increase in discount rate           1.00%  
Ore Corp [Member]              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment loss     $ 24        
Proportion of ownership interest in subsidiary           51.00%  
Consideration paid (received)           $ 3  
Percent of interest in project     49.00%     49.00%  
Consideration paid for Nyanzaga project     $ 7     $ 7  
Net smelter royalty capped for Nyanzaga project     15     15  
Fair value less cost to sell of Nyanzaga project     $ 10        
Kabanga [Member]              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment loss (impairment gain and reversal of impairment loss) determined in accordance with IFRS 9           30  
Proportion of ownership interest in associate     50.00%        
Cerro Casale [Member]              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Proportion of Ownership Interest Sold   25.00%          
Proportion of ownership interest in joint operation 50.00% 50.00%          
Reversal of impairment loss         $ 1,120    
Implied Fair Value from Consideration Received in Deconsolidation $ 1,200            
Cerro Casale [Member]              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Reversal of impairment loss         $ 1,120    
Implied Fair Value from Consideration Received in Deconsolidation   $ 1,200          
Acacia Mining PLC [Member]              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment loss (impairment gain and reversal of impairment loss) determined in accordance with IFRS 9     $ 24 $ 0   $ 24 $ 0
Discount rate used in current measurement of fair value less costs of disposal     11.00%     11.00%  
Impairment loss           $ 98  
Gold [Member] | Acacia Mining PLC [Member]              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Gold Products and Services, Price           1,200  
Sensitivity Analysis, Increase (Decrease) in Short and Long-term Gold Price Used in Current Measurement of Fair Value Less Costs of Disposal     100     100