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PROPERTY, PLANT AND EQUIPMENT - Narrative (Details) - USD ($) $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 28, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Jan. 01, 2019
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Additions to right-of-use assets |  | $ 4 | $ 49 |
Depreciation, right-of-use assets |  | (21) | (25) |
Right-of-use assets |  | 50 | 75 | $ 85
Additions other than through business combinations, property, plant and equipment |  | 2,188 | 5,127 |
Expense relating to short-term leases for which recognition exemption has been used |  | 14 | 56 |
Expense relating to variable lease payments not included in measurement of lease liabilities |  | 35 | 97 |
MIning property costs subject to depreciation |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Additions other than through business combinations, property, plant and equipment |  | 259 | 3,458 |
MIning property costs subject to depreciation | Revision of LOM Plan |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Accumulated expense decrease |  | 170 | 49 |
Construction activities |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Capital commitments |  | $ 223 | 383 |
Turquoise Ridge |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Additions other than through business combinations, property, plant and equipment |  |  | $ 3,422 |
KCGM [Member] |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Proportion of Ownership Interest Sold | 50.00% |  |  |

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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2019-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_h&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_a&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of the expense relating to short-term leases accounted for applying paragraph 6 of IFRS 16. This expense need not include the expense relating to leases with a lease term of one month or less. Short-term lease is a lease that, at the commencement date, has a lease term of 12 months or less. A lease that contains a purchase option is not a short-term lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_c&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of the expense relating to variable lease payments not included in the measurement of lease liabilities. Variable lease payments are the portion of payments made by a lessee to a lessor for the right to use an underlying asset during the lease term that varies because of changes in facts or circumstances occurring after the commencement date, other than the passage of time. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 53 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_e&doctype=Standard -URIDate 2019-03-27 + Details
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