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FINANCIAL INSTRUMENTS - Debt Interest Costs (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Jan. 31, 2013
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 453 $ 511  
Interest costs capitalised (9) 0  
Interest cost incurred 444 511  
Deposits on Pascua-Lama silver sale agreement (note 29)      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 65 $ 66  
Effective rate (as percent) 8.25% 8.37%  
Deposits on Pueblo Viejo gold and silver streaming agreement (note 29)      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 33 $ 35  
Effective rate (as percent) 6.41% 6.14%  
4.4%/5.7% notes      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 63 $ 77  
Effective rate (as percent) 5.25% 5.23%  
3.85%/5.25% notes      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 53 $ 53  
Effective rate (as percent) 4.87% 4.87%  
5.80% notes      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 23 $ 23  
Effective rate (as percent) 5.85% 5.85%  
5.75%/6.35% notes      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 39 $ 38  
Effective rate (as percent) 6.41% 6.41%  
Other fixed rate notes      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 83 $ 93  
Effective rate (as percent) 6.16% 6.38%  
Pueblo Viejo Project financing      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 0 $ 14  
Effective rate (as percent) 0.00% 7.04%  
Capital leases      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 2 $ 3  
Effective rate (as percent) 6.18% 3.60%  
Other debt obligations      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 38 $ 31  
Effective rate (as percent) 6.55% 6.55%  
4.10%/5.75% notes      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 49 $ 72  
Effective rate (as percent) 5.79% 5.12%  
Acacia Credit Facility      
Disclosure of detailed information about borrowings [line items]      
Interest cost $ 5 $ 6  
Effective rate (as percent) 3.59% 3.59% 3.60%