Financial assets and liabilities (Details 2) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Gross carrying amount [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Loans and financing | $ 10,247 | $ 10,053 |
| Gross carrying amount [member] | Bond [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Loans and financing | 7,678 | 7,683 |
| Gross carrying amount [member] | Debentures [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Loans and financing | 2,569 | 2,370 |
| Gross carrying amount [member] | Subordinated Notes [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Loans and financing | 757 | 745 |
| At fair value [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Loans and financing | 10,376 | 10,385 |
| At fair value [member] | Bond [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Loans and financing | 7,900 | 8,034 |
| At fair value [member] | Debentures [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Loans and financing | 2,476 | 2,351 |
| At fair value [member] | Subordinated Notes [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Loans and financing | $ 754 | $ 748 |