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IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Cash Generating Units (Details) - Cash-generating units $ in Millions | Dec. 31, 2017 USD ($)
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Lumwana |
Disclosure of information for cash-generating units [line items] |
Carrying Value | $ 849
Bulyanhulu |
Disclosure of information for cash-generating units [line items] |
Carrying Value | 600
Buzwagi |
Disclosure of information for cash-generating units [line items] |
Carrying Value | 194
Veladero |
Disclosure of information for cash-generating units [line items] |
Carrying Value | 1,016
Norte Abierto Project |
Disclosure of information for cash-generating units [line items] |
Carrying Value | 817
Pueblo Viejo |
Disclosure of information for cash-generating units [line items] |
Carrying Value | 3,077
Pascua-Lama |
Disclosure of information for cash-generating units [line items] |
Carrying Value | 38
Deferred income | 812
Lagunas Norte |
Disclosure of information for cash-generating units [line items] |
Carrying Value | $ 458

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