v3.26.1
Shareholders equity - Other reserves (Details) - BRL (R$)
R$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disclosure of classes of share capital [line items]        
Equity at beginning of period     R$ 43,952,173 R$ 32,415,575
Exchange rate variations on conversion of financial information of the subsidiaries abroad (2) R$ (29,085) R$ 7,256 (132,481) (105,804)
Equity at end of period 49,851,513 43,271,305 49,851,513 43,271,305
Accumulated other comprehensive income        
Disclosure of classes of share capital [line items]        
Equity at beginning of period     888,669 1,348,796
Equity at end of period R$ 763,531 R$ 945,642 R$ 763,531 R$ 945,642