v3.25.4
Capital and reserves - Special State Share (Details) - Ordinary shares - shares
Jul. 14, 2014
Feb. 05, 2004
Dec. 31, 2025
Disclosure of classes of share capital [line items]      
Number of special state shares     1
Percentage of shares acquired   48.60%  
Threshold period for objection, transfer of shares 30 days    
Minimum [Member]      
Disclosure of classes of share capital [line items]      
Threshold limit for transfer of shares 24.00%    
Maximum [Member]      
Disclosure of classes of share capital [line items]      
Threshold limit for transfer of shares 35.00%