v3.26.1
Accounting policies (Tables)
12 Months Ended
Dec. 31, 2025
Accounting policies.  
Schedule of useful lives of property, plant and equipment

  ​ ​ ​

Years of

Estimated

Useful

Life

Buildings

 

25-50

Plant and machinery

 

8-20

Tools

 

12.5-15

Other fixtures and furniture

 

10-15

Computer hardware

 

4-8

Transport equipment

 

10-15

Schedule of lease term by right-of-use asset categories

  ​ ​ ​

Years of

Estimated

Useful

Life

Leased Land and Buildings

 

5-50

Leased Plant and Machinery

 

1-37