Loans, borrowings, cash and cash equivalents and short-term investments (Details 2) - USD ($)
$ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
| IfrsStatementLineItems [Line Items] |
|
|
| Current borrowings, gross |
$ 685
|
$ 1,020
|
| Non-current portion of non-current borrowings, gross |
16,461
|
13,772
|
| Accrued charges |
$ 172
|
184
|
| Quoted In Secondary Market [Member] | Bond [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Borrowings, interest rate |
6.05%
|
|
| Current borrowings, gross |
|
|
| Non-current portion of non-current borrowings, gross |
$ 7,607
|
7,187
|
| Quoted In Secondary Market [Member] | Debentures [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Borrowings, interest rate |
7.06%
|
|
| Current borrowings, gross |
$ 57
|
68
|
| Non-current portion of non-current borrowings, gross |
$ 2,291
|
1,191
|
| Debt Contract Brazil [Member] | TJLP, TR,IPCA, IGP-M And CDI [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Borrowings, interest rate |
9.96%
|
|
| Current borrowings, gross |
$ 44
|
41
|
| Non-current portion of non-current borrowings, gross |
$ 112
|
143
|
| Debt Contract Brazil [Member] | SOFR [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Borrowings, interest rate |
6.03%
|
|
| 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 |
5.48%
|
|
| Current borrowings, gross |
$ 400
|
716
|
| Non-current portion of non-current borrowings, gross |
$ 6,249
|
5,042
|
| Debt Contracts International Markets [Member] | Other Currencies With Variable Interest [Member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Borrowings, interest rate |
4.83%
|
|
| Current borrowings, gross |
$ 12
|
11
|
| Non-current portion of non-current borrowings, gross |
$ 43
|
50
|
| Debt Contracts International Markets [Member] | Fixed interest rate [member] |
|
|
| IfrsStatementLineItems [Line Items] |
|
|
| Borrowings, interest rate |
3.80%
|
|
| Current borrowings, gross |
|
|
| Non-current portion of non-current borrowings, gross |
$ 9
|
$ 9
|