v3.25.1
General information about financial statements (Details) - item
3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
State of Sao Paulo | Suzano Industrial      
Company's Operations [Line Items]      
Number of Industrial Units     2
Number of Industrial Units     16
Number of Technology Centers 7,000    
% 100.00% 100.00%  
Controlling Shareholders      
Company's Operations [Line Items]      
% 49.26% 49.25%