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Loans, borrowings, cash and cash equivalents and short-term investments (Details 2) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Non-current portion of non-current borrowings. gross | $ 11,647 | $ 10,874
Current borrowings. gross | 824 | 307
Accrued charges | $ 167 | 147
Quoted In Secondary Market [Member] | Bond [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 6.02% |
Non-current portion of non-current borrowings. gross | $ 7,157 | 6,157
Quoted In Secondary Market [Member] | Debentures [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 10.17% |
Non-current portion of non-current borrowings. gross | $ 119 | 186
Current borrowings. gross | $ 96 | 47
Debt Contract Brazil [Member] | Tjlp Tr Ipca Igp M And Cdi [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 10.12% |
Non-current portion of non-current borrowings. gross | $ 200 | 232
Current borrowings. gross | $ 49 | 46
Debt Contract Brazil [Member] | Fixed interest rate [member] |  |
IfrsStatementLineItems [Line Items] |  |
Current borrowings. gross |  | 2
Debt Contract Brazil [Member] | S O F R [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 6.80% |
Non-current portion of non-current borrowings. gross | $ 150 |
Debt Contracts International Markets [Member] | Fixed interest rate [member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 3.87% |
Non-current portion of non-current borrowings. gross | $ 67 | 78
Current borrowings. gross | $ 12 | 11
Debt Contracts International Markets [Member] | Currencieswith Variable And Fixed Interest [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 5.59% |
Non-current portion of non-current borrowings. gross | $ 3,945 | 4,212
Current borrowings. gross | $ 500 | 54
Debt Contracts International Markets [Member] | Other Currencies With Variable Interest [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 4.12% |
Non-current portion of non-current borrowings. gross | $ 9 | $ 9

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