v3.26.3
FAIR VALUE ACCOUNTING - Schedule of Assets and Liabilities Measured on Recurring and Nonrecurring Basis (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Assets:    
Cash and cash equivalents $ 8,827 $ 7,647
Restricted cash 49 37
Trade receivables from provisional concentrate sales 875 1,064
Long-lived assets   78
Marketable equity and other securities 409 740
Restricted marketable debt and other securities 14 13
Derivative assets (Note 11) 183 262
Total assets 10,357 9,841
Liabilities:    
Debt 4,882 5,283
Derivative liabilities (Note 11) 6 1
Other liabilities   339
Total liabilities 4,888 5,623
Carrying value    
Liabilities:    
Debt 5,087 5,115
Level 1    
Assets:    
Cash and cash equivalents 8,827 7,647
Restricted cash 49 37
Trade receivables from provisional concentrate sales 0 0
Long-lived assets   0
Marketable equity and other securities 409 740
Restricted marketable debt and other securities 14 13
Derivative assets (Note 11) 0 0
Total assets 9,299 8,437
Liabilities:    
Debt 0 0
Derivative liabilities (Note 11) 0 0
Other liabilities   0
Total liabilities 0 0
Level 2    
Assets:    
Cash and cash equivalents 0 0
Restricted cash 0 0
Trade receivables from provisional concentrate sales 875 1,064
Long-lived assets   0
Marketable equity and other securities 0 0
Restricted marketable debt and other securities 0 0
Derivative assets (Note 11) 30 60
Total assets 905 1,124
Liabilities:    
Debt 4,882 5,283
Derivative liabilities (Note 11) 3 1
Other liabilities   339
Total liabilities 4,885 5,623
Level 3    
Assets:    
Cash and cash equivalents 0 0
Restricted cash 0 0
Trade receivables from provisional concentrate sales 0 0
Long-lived assets   78
Marketable equity and other securities 0 0
Restricted marketable debt and other securities 0 0
Derivative assets (Note 11) 153 202
Total assets 153 280
Liabilities:    
Debt 0 0
Derivative liabilities (Note 11) 3 0
Other liabilities   0
Total liabilities $ 3 $ 0