v3.26.1
INVESTMENTS, DEBT AND DERIVATIVES - Debt and derivatives (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities measured at fair value through profit and loss $ 27 $ 0
Financial liabilities at amortised cost 5,118 4,694
Total debt and derivatives 5,145 4,694
Non-current 4,043 3,028
Current 1,102 1,666
Warrants    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities measured at fair value through profit and loss 27 0
Borrowings    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities at amortised cost 3,143 3,348
Borrowing, of which principal amount outstanding    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities at amortised cost 3,049 3,265
Borrowing, of which other borrowings    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities at amortised cost 94 83
Borrowing, of which other borrowings | Long-term capex accounts payable    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities at amortised cost 94 83
Interest accrued    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities at amortised cost 63 57
Discounts, unamortized fees    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities at amortised cost (19) (12)
Bank loans and bonds    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities at amortised cost 3,187 3,393
Lease liabilities    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities at amortised cost 1,760 1,030
Other financial liabilities    
Disclosure of fair value measurement of liabilities [line items]    
Financial liabilities at amortised cost $ 171 $ 271