Employee compensation (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Employee Compensation Expense [Abstract] | ||
| Wages and salaries, and short-term employee benefits expense | $ 7 | $ 7 |
| Post-employment benefit expense in profit or loss | 1 | 1 |
| Equity-based compensation | (9) | 10 |
| Employee compensation expense | 0 | 19 |
| Employee Compensation Accruals [Abstract] | ||
| Employee Compensation Payable | 0 | 0 |
| Equity-based compensation | 16 | 27 |
| Employee compensation payable | $ 16 | $ 27 |
| X | ||||||||||
- Definition The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The amount of post-employment benefit expense included in profit or loss Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The amount of provisions for employee benefits. [Refer: Employee benefits expense; Provisions] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Employee Compensation Accruals No definition available.
|
| X | ||||||||||
- Definition Employee Compensation Expense No definition available.
|
| X | ||||||||||
- Definition Employee Compensation Payable No definition available.
|
| X | ||||||||||
- Definition Share-Based Payment Arrangements Payable No definition available.
|
| X | ||||||||||
- Definition Wages and salaries, and short-term employee benefits expense No definition available.
|