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IMPAIRMENT OF GOODWILL AND OTHER ASSETS Impairment Losses (Reversals) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Disclosure of impairment loss and reversal of impairment loss [line items] |  |  |  |
Impairment reversals | $ (12) | $ (59) | $ (15) | $ (61)
Golden sunlight1 [Member] |  |  |  |
Disclosure of impairment loss and reversal of impairment loss [line items] |  |  |  |
Impairment reversals | (8) | 0 | (8) | 0
Investments accounted for using equity method [member] |  |  |  |
Disclosure of impairment loss and reversal of impairment loss [line items] |  |  |  |
Impairment reversals | 0 | (30) | 0 | (30)
Acacia Mining PLC [Member] |  |  |  |
Disclosure of impairment loss and reversal of impairment loss [line items] |  |  |  |
Impairment reversals | 0 | (24) | 0 | (24)
Goldstrike [Member] |  |  |  |
Disclosure of impairment loss and reversal of impairment loss [line items] |  |  |  |
Impairment reversals | 0 | (5) | (2) | (5)
Cortez1 [Member] |  |  |  |
Disclosure of impairment loss and reversal of impairment loss [line items] |  |  |  |
Impairment reversals | 0 | (6) | 0 | (9)
Pascua-Lama [Member] |  |  |  |
Disclosure of impairment loss and reversal of impairment loss [line items] |  |  |  |
Impairment reversals | 0 | 6 | 0 | 7
Other impaired assets [member] |  |  |  |
Disclosure of impairment loss and reversal of impairment loss [line items] |  |  |  |
Impairment reversals | $ (4) | $ 0 | $ (5) | $ 0

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of impairment loss, impairment gain or reversal of impairment loss that is recognised in profit or loss in accordance with paragraph 5.5.8 of IFRS 9 and that arises from applying the impairment requirements in Section 5.5 of IFRS 9. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 82 -Subparagraph ba -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_82_ba&doctype=Standard -URIDate 2018-03-16 + Details
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