Income taxes - Additional Information (Details) - Foreign Tax Jurisdiction - Subsequent event $ in Millions |
Jul. 18, 2025
USD ($)
|
|---|---|
| Operating Loss Carryforwards [Line Items] | |
| Effective income tax rate, before change in enacted rate | 15.00% |
| Effective income tax rate, reduction in enacted tax rate for each year, percentage | 1.00% |
| Effective income tax rate, after change in enacted rate | 10.00% |
| Minimum | |
| Operating Loss Carryforwards [Line Items] | |
| Deferred income tax expense | $ 20 |
| Maximum | |
| Operating Loss Carryforwards [Line Items] | |
| Deferred income tax expense | $ 23 |