Loans and financing - Narrative (Details) - USD ($) $ in Millions |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2026 |
Dec. 31, 2025 |
|
| Brazil | ||
| Loans and Financing [Line Items] | ||
| Revolving credit facilities | $ 500 | $ 500 |
| USA | ||
| Loans and Financing [Line Items] | ||
| Revolving credit facilities | 3,200 | $ 3,000 |
| NETHERLANDS | ||
| Loans and Financing [Line Items] | ||
| Revolving credit facilities | $ 250 |