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COST OF SALES (Tables)

6 Months Ended

Jun. 30, 2018

Analysis of income and expense [abstract]

Cost of sales



	Gold						Copper						Pascua-Lama/Other³						Total
For the three months ended June 30	2018			2017			2018			2017			2018			2017			2018			2017
Direct mining cost^1,2		$716			$718			$69			$74			$2			$8			$787			$800
Depreciation	290			383			30			19			8			7			328			409
Royalty expense	43			49			8			8			—			—			51			57
Community relations	9			9			1			1			—			1			10			11
		$1,058			$1,159			$108			$102			$10			$16			$1,176			$1,277
	Gold						Copper						Pascua-Lama/Other³						Total
For the six months ended June 30	2018			2017			2018			2017			2018			2017			2018			2017
Direct mining cost^1,2		$1,406			$1,512			$135			$134			$4			$15			$1,545			$1,661
Depreciation	588			768			49			33			16			22			653			823
Royalty expense	93			100			17			15			—			—			110			115
Community relations	17			17			3			2			—			1			20			20
		$2,104			$2,397			$204			$184			$20			$38			$2,328			$2,619


¹	Direct mining cost includes charges to reduce the cost of inventory to net realizable value as follows: $2 million for the three months ended June 30, 2018 (2017: $3 million) and $5 million for the six months ended June 30, 2018 (2017: $6 million).


²	Direct mining cost includes the costs of extracting by-products.


³	Other includes all realized hedge gains and losses and corporate amortization.