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EXPLORATION, EVALUATION AND PROJECT EXPENSES (Tables)
 12 Months Ended
Dec. 31, 2018
Exploration For and Evaluation of Mineral Resources [Abstract]  
Exploration, evaluation and project expenses
For the years ended December 31
2018

2017

Minesite exploration and evaluation1

$45


$47

Global exploration and evaluation1
121

126

Advanced project costs:
 
 
    Pascua-Lama
77

122

    Other
36

14

Corporate development2
60

13

Business improvement and innovation
44

32

Total exploration, evaluation and project expenses

$383


$354

1 
Approximates the impact on operating cash flow.
2 
2018 includes $37 million in transaction costs related to the merger with Randgold.