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ACQUISITIONS AND DIVESTITURES - Gross Cash Proceeds from Divestiture (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Disclosure of Discontinued Operations [Line Items] |  |
Gross cash proceeds on divestiture | $ 990 | $ 588
Bald Mountain | Discontinued operations |  |
Disclosure of Discontinued Operations [Line Items] |  |
Gross cash proceeds on divestiture | 0 | 423
Round Mountain | Discontinued operations |  |
Disclosure of Discontinued Operations [Line Items] |  |
Gross cash proceeds on divestiture | 0 | 165
Veladero | Continuing operations |  |
Disclosure of Discontinued Operations [Line Items] |  |
Gross cash proceeds on divestiture | $ 990 | $ 0

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- Definition The portion of consideration paid or received, consisting of cash and cash equivalents, in respect of both obtaining and losing control of subsidiaries or other businesses. [Refer: Subsidiaries [member]; Cash and cash equivalents; Consideration paid (received)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 40 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_40_b&doctype=Standard -URIDate 2017-03-09 + Details
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