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FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Disclosure of fair value measurement of assets [abstract] |  |
Assets | $ 46,219 | $ 45,811
Recurring fair value measurement |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets (liabilities) | 254 |
Recurring fair value measurement | Other investments |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets | 102 |
Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets | 152 |
Carrying amount |  |
Disclosure of fair value measurement of assets [abstract] |  |
Financial assets | 850 | 938
Financial liabilities | 5,351 | 5,300
Carrying amount | Debt |  |
Disclosure of fair value measurement of assets [abstract] |  |
Financial liabilities | 4,724 | 4,726
Carrying amount | Other liabilities |  |
Disclosure of fair value measurement of assets [abstract] |  |
Financial liabilities | 627 | 574
Carrying amount | Other investments |  |
Disclosure of fair value measurement of assets [abstract] |  |
Financial assets | 102 | 131
Carrying amount | Other assets |  |
Disclosure of fair value measurement of assets [abstract] |  |
Financial assets | 748 | 807
At fair value [member] |  |
Disclosure of fair value measurement of assets [abstract] |  |
Financial assets | 850 | 938
Financial liabilities | 5,471 | 5,681
At fair value [member] | Debt |  |
Disclosure of fair value measurement of assets [abstract] |  |
Financial liabilities | 4,844 | 5,107
At fair value [member] | Other liabilities |  |
Disclosure of fair value measurement of assets [abstract] |  |
Financial liabilities | 627 | 574
At fair value [member] | Other investments |  |
Disclosure of fair value measurement of assets [abstract] |  |
Financial assets | 102 | 131
At fair value [member] | Other assets |  |
Disclosure of fair value measurement of assets [abstract] |  |
Financial assets | 748 | $ 807
Level 1 of fair value hierarchy [member] | Recurring fair value measurement |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets (liabilities) | 102 |
Level 1 of fair value hierarchy [member] | Recurring fair value measurement | Other investments |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets | 102 |
Level 1 of fair value hierarchy [member] | Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets | 0 |
Significant other observable inputs (Level 2) | Recurring fair value measurement |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets (liabilities) | 152 |
Significant other observable inputs (Level 2) | Recurring fair value measurement | Other investments |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets | 0 |
Significant other observable inputs (Level 2) | Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets | 152 |
Significant Unobservable Inputs (Level 3) | Recurring fair value measurement |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets (liabilities) | 0 |
Significant Unobservable Inputs (Level 3) | Recurring fair value measurement | Other investments |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets | 0 |
Significant Unobservable Inputs (Level 3) | Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] |  |
Disclosure of fair value measurement of assets [abstract] |  |
Assets | $ 0 |

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- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_25&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35H -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35H&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35M -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35M&doctype=Standard -URIDate 2023-03-23 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35N -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35N&doctype=Standard -URIDate 2023-03-23 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35I -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35I&doctype=Standard -URIDate 2023-03-23 + Details
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