NET INCOME (LOSS) ATTRIBUTABLE TO NCI - Consolidated Assets and Liabilities of VIE (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Assets and liabilities of VIE
Cash and cash equivalents	$ 1,827	$ 3,397	$ 3,127
Trade receivables	330	254
Inventories	1,147	630
Stockpiles and ore on leach pads	772	697
Other current assets	538	251
Current assets	4,638	5,277
Property, plant and mine development, net	23,377	12,258
Other non-current assets	743	584
Total assets	36,987	20,715
Accounts payable	460	303
Other current liabilities	899	455
Current liabilities	2,538	1,787
Reclamation and remediation liabilities	3,170	2,481
Other non-current liabilities	985	314
Total liabilities	16,614	9,203
Primary Beneficiary | Reportable Legal Entities
Assets and liabilities of VIE
Cash and cash equivalents	53	40
Trade receivables	25	38
Inventories	81	82
Stockpiles and ore on leach pads	45	35
Other current assets	3	5
Current assets	207	200
Property, plant and mine development, net	746	766
Other non-current assets	4	4
Total assets	957	970
Accounts payable	21	23
Other current liabilities	24	27
Current liabilities	45	50
Reclamation and remediation liabilities	26	25
Other non-current liabilities	3	1
Total liabilities	$ 74	$ 76