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OTHER ASSETS (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2014
Dec. 31, 2018
Disclosure of Detailed Information about Other Non-Current Assets [Line Items]      
Goods and services taxes recoverable $ 253   $ 271
Other investments 258   209
Notes receivable 202   285
Norte Abierto JV partner receivable 134   143
Restricted cash 162   121
Derivative assets 30   37
Derivative assets 0   1
Other 153   168
Other non-current assets 1,307   1,235
Zambia      
Disclosure of Detailed Information about Other Non-Current Assets [Line Items]      
Non-current value added tax receivables 70   110
Tanzania      
Disclosure of Detailed Information about Other Non-Current Assets [Line Items]      
Non-current value added tax receivables 128   111
Argentina      
Disclosure of Detailed Information about Other Non-Current Assets [Line Items]      
Non-current value added tax receivables 53   50
Carlin [Member]      
Disclosure of Detailed Information about Other Non-Current Assets [Line Items]      
Derivative assets $ 115   $ 0
Jabal Sayid [Member]      
Disclosure of Detailed Information about Other Non-Current Assets [Line Items]      
Economic interest in joint venture 50.00%    
Proportion of Ownership Interest Sold   50.00%