Legal proceedings (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Tax Litigation [Member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Effects in income statements | $ (1) | $ (2) | $ (5) | |
| Civil Litigation [Member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Effects in income statements | 55 | (6) | 39 | (18) |
| Labor Litigation [Member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Effects in income statements | (57) | (45) | (96) | (78) |
| Environmental Litigation [Member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Effects in income statements | (31) | (2) | (31) | (3) |
| Legal proceedings provision [member] | ||||
| IfrsStatementLineItems [Line Items] | ||||
| Effects in income statements | $ (33) | $ (54) | $ (90) | $ (104) |