v3.25.4
Segment information (Details)
12 Months Ended
Dec. 31, 2025
group_president
segment
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information      
Number of group presidents | group_president 4    
Number of operating segments 5    
Useful life to amortize goodwill for segment assets 20 years    
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Operating Income (Expense), Net Other Operating Income (Expense), Net Other Operating Income (Expense), Net
Reportable Subsegments      
Segment Reporting Information      
Number of operating segments led by Group Presidents 3    
Number of operating segments led by Group president responsible for corporate services 1    
Number of reportable segments 4    
All Other Segment      
Segment Reporting Information      
Number of group presidents | group_president 1    
Number of smaller operating segments led by Group President | group_president 1