Payroll, staff and employee benefits obligations - Sensitivity analysis (Details) $ in Millions |
Dec. 31, 2025
USD ($)
|
|---|---|
| Discount rates | |
| Sensitivity analysis | |
| Increase in actuarial assumption (as a percent) | 0.50% |
| Decrease in actuarial assumption (as a percent) | 0.50% |
| Impact on benefit obligation from increase in actuarial assumption | $ (453) |
| Impact on benefit obligation from decrease in actuarial assumption | $ 488 |
| Inflation rates | |
| Sensitivity analysis | |
| Increase in actuarial assumption (as a percent) | 0.50% |
| Decrease in actuarial assumption (as a percent) | 0.50% |
| Impact on benefit obligation from increase in actuarial assumption | $ 258 |
| Impact on benefit obligation from decrease in actuarial assumption | $ (251) |