v3.26.1
FAIR VALUE MEASUREMENTS - Fair Value of Financial Assets and Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets $ 52,349 $ 51,656 [1]
Carrying amount    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial assets 1,361 1,311
Financial liabilities 5,618 5,892
Carrying amount | Other investments [Member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial assets 37 131
Carrying amount | Other assets    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial assets 980 940
Carrying amount | Contingent consideration [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial assets 344 240
Carrying amount | Debt    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial liabilities 4,682 4,703
Carrying amount | Derivatives    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial liabilities 176 386
Carrying amount | Other Liabilities    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial liabilities 760 803
Recurring fair value measurement    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial assets 1,361 1,311
Financial liabilities 5,814 6,159
Assets (liabilities) 705  
Recurring fair value measurement | Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets (liabilities) 37  
Recurring fair value measurement | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets (liabilities) 149  
Recurring fair value measurement | Significant Unobservable Inputs (Level 3)    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets (liabilities) 519  
Recurring fair value measurement | Other investments [Member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial assets 37 131
Assets 37  
Recurring fair value measurement | Other investments [Member] | Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 37  
Recurring fair value measurement | Other investments [Member] | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 0  
Recurring fair value measurement | Other investments [Member] | Significant Unobservable Inputs (Level 3)    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 0  
Recurring fair value measurement | Derivatives    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets (176)  
Recurring fair value measurement | Derivatives | Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 0  
Recurring fair value measurement | Derivatives | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets (176)  
Recurring fair value measurement | Derivatives | Significant Unobservable Inputs (Level 3)    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 0  
Recurring fair value measurement | Receivables from provisional copper and gold sales [Member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 325  
Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] | Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 0  
Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 325  
Recurring fair value measurement | Receivables from provisional copper and gold sales [Member] | Significant Unobservable Inputs (Level 3)    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 0  
Recurring fair value measurement | Receivable from NOVAGOLD    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 175  
Recurring fair value measurement | Receivable from NOVAGOLD | Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 0  
Recurring fair value measurement | Receivable from NOVAGOLD | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 0  
Recurring fair value measurement | Receivable from NOVAGOLD | Significant Unobservable Inputs (Level 3)    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 175  
Recurring fair value measurement | Other assets    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial assets 980 940
Recurring fair value measurement | Contingent consideration [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial assets 344 240
Assets 344  
Recurring fair value measurement | Contingent consideration [member] | Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 0  
Recurring fair value measurement | Contingent consideration [member] | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 0  
Recurring fair value measurement | Contingent consideration [member] | Significant Unobservable Inputs (Level 3)    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Assets 344  
Recurring fair value measurement | Debt    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial liabilities 4,878 4,970
Recurring fair value measurement | Derivatives    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial liabilities 176 386
Recurring fair value measurement | Other Liabilities    
Disclosure of fair value measurement of assets and liabilities [Line Items]    
Financial liabilities $ 760 $ 803
[1] 2025 figures have been revised to reflect an update to the provisional purchase price allocation relating to Loulo-Gounkoto.  Refer to note 4 for further details.