Fair value measurements - Narrative (Details) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Fair Value Disclosures [Abstract] | ||||
| Derivative, gain (loss), statement of income or comprehensive income [extensible enumeration] | Nonoperating Income (Expense) | Nonoperating Income (Expense) | Nonoperating Income (Expense) | Nonoperating Income (Expense) |