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EXPLORATION, EVALUATION AND PROJECT EXPENSES (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [line items] |  |
Minesite exploration and evaluation | $ 69 | $ 45
Global exploration and evaluation | 143 | 121
Corporate development2 | 51 | 60
Business improvement and innovation | 10 | 44
Total exploration, evaluation and project expenses | 342 | 383
Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination | 18 |
Pascua-Lama |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Advanced project costs | 49 | 77
Other [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Advanced project costs | 20 | $ 36
Randgold |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination | 37 |
Nevada Gold Mines, KCGM and Acacia [Member] |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination | $ 44 |

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- Definition Expense arising from exploration for and evaluation of mineral resources, advanced project costs + References No definition available. + Details
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- Definition Expense arising from exploration for and evaluation of mineral resources, business improvement + References No definition available. + Details
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- Definition Expense arising from exploration for and evaluation of mineral resources, corporate development + References No definition available. + Details
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- Definition Expense arising from exploration for and evaluation of mineral resources, minesite exploration and evaluation + References No definition available. + Details
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- Definition The amount of acquisition-related costs for transactions recognised separately from the acquisition of assets and the assumption of liabilities in business combinations. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2018-01-01 -Paragraph B64 -Subparagraph m -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2018-03-01&anchor=para_B64_m&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
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- Definition The amount of expense arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2018-01-01 -Paragraph 24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=6&date=2018-03-01&anchor=para_24_b&doctype=Standard -URIDate 2018-03-16 + Details
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