Payroll, staff and employee benefits obligations - Liabilities (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Employee benefits obligations | |||
| Restructuring reserves (early retirement plans) | $ 66 | $ 52 | $ 72 |
| TOTAL | 2,018 | 1,753 | 1,993 |
| Pension benefits | |||
| Employee benefits obligations | |||
| Pension benefits and other benefits liabilities | 1,529 | 1,290 | 1,453 |
| Other benefits | |||
| Employee benefits obligations | |||
| Pension benefits and other benefits liabilities | $ 423 | $ 411 | $ 468 |