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NON-CONTROLLING INTERESTS - Summarized Balance Sheets (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Disclosure of subsidiaries [line items]    
Current assets $ 4,684 $ 4,874
Total assets 25,308 25,264
Current liabilities 1,747 1,819
Total liabilities 14,241 14,951
Pueblo Viejo    
Disclosure of subsidiaries [line items]    
Current assets 488 833
Non-current assets 3,489 3,703
Total assets 3,977 4,536
Current liabilities 907 1,357
Non-current liabilities 248 603
Total liabilities 1,155 1,960
Acacia    
Disclosure of subsidiaries [line items]    
Current assets 464 673
Non-current assets 1,333 1,725
Total assets 1,797 2,398
Current liabilities 212 71
Non-current liabilities 280 381
Total liabilities $ 492 $ 452