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FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring fair value measurement - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | $ 359 | $ 709
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 112 | 414
Significant Other Observable Inputs (Level 2) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 247 | 295
Significant Unobservable Inputs (Level 3) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Other investments [Member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 112 | 414
Other investments [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 112 | 414
Other investments [Member] | Significant Other Observable Inputs (Level 2) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Other investments [Member] | Significant Unobservable Inputs (Level 3) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Derivatives |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 59 | 53
Derivatives | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Derivatives | Significant Other Observable Inputs (Level 2) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 59 | 53
Derivatives | Significant Unobservable Inputs (Level 3) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Receivables from provisional copper and gold sales [Member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 188 | 242
Receivables from provisional copper and gold sales [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Receivables from provisional copper and gold sales [Member] | Significant Other Observable Inputs (Level 2) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 188 | 242
Receivables from provisional copper and gold sales [Member] | Significant Unobservable Inputs (Level 3) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | $ 0 | $ 0

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- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_25&doctype=Standard -URIDate 2022-03-24 + Details
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