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Loans, borrowings, cash and cash equivalents and short-term investments (Details 2) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
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IfrsStatementLineItems [Line Items] |  |
Non-current portion of non-current borrowings. gross | $ 12,860 | $ 11,647
Current borrowings. gross | 910 | 824
Accrued charges | $ 177 | 167
Quoted In Secondary Market [Member] | Bond [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 6.08% |
Non-current portion of non-current borrowings. gross | $ 8,157 | 7,157
Quoted In Secondary Market [Member] | Debentures [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 8.74% |
Non-current portion of non-current borrowings. gross | $ 82 | 119
Current borrowings. gross | $ 33 | 96
Debt Contract Brazil [Member] | Tjlp Tr Ipca Igp M And Cdi [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 10.18% |
Non-current portion of non-current borrowings. gross | $ 153 | 200
Current borrowings. gross | $ 43 | 49
Debt Contract Brazil [Member] | SOFR [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 6.89% |
Non-current portion of non-current borrowings. gross | $ 150 | 150
Debt Contracts International Markets [Member] | Currencieswith Variable And Fixed Interest [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 6.04% |
Non-current portion of non-current borrowings. gross | $ 4,255 | 3,945
Current borrowings. gross | $ 645 | 500
Debt Contracts International Markets [Member] | Other Currencies With Variable Interest [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 4.23% |
Non-current portion of non-current borrowings. gross | $ 9 | 9
Debt Contracts International Markets [Member] | Fixed interest rate [member] |  |
IfrsStatementLineItems [Line Items] |  |
Borrowings, interest rate | 4.11% |
Non-current portion of non-current borrowings. gross | $ 54 | 67
Current borrowings. gross | $ 12 | $ 12

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