XML 61 R49.htm IDEA: XBRL DOCUMENT v3.25.3
Pensions and other postretirement benefit plans - Narrative (Details)
$ in Millions
9 Months Ended
Sep. 30, 2025
USD ($)
Pension benefits  
Defined Benefit Plan Disclosure  
Contribution to the defined benefit plans $ 1.5
Postretirement benefits  
Defined Benefit Plan Disclosure  
Contribution to the defined benefit plans $ 3.0