v3.26.1
Loans, financing and debentures - Breakdown by maturity – non-current (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2026
Jun. 30, 2026
Dec. 31, 2025
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   R$ (88,378,903) R$ (91,796,352)
2027      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (2,664,396)  
2028      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (6,357,350)  
2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (12,345,074)  
2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (13,387,133)  
Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (13,741,061)  
Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (39,883,889)  
Bonds | Foreign countries      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (39,586,169)  
Bonds | Foreign countries | 2027      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
Bonds | Foreign countries | 2028      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (2,579,785)  
Bonds | Foreign countries | 2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (8,598,098)  
Bonds | Foreign countries | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (5,116,282)  
Bonds | Foreign countries | Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (6,471,082)  
Bonds | Foreign countries | Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (16,820,922)  
Panda Bonds - CNY | Foreign countries      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (1,981,055)  
Panda Bonds - CNY | Foreign countries | 2027      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (915,230)  
Panda Bonds - CNY | Foreign countries | 2028      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (989,540)  
Panda Bonds - CNY | Foreign countries | 2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
Panda Bonds - CNY | Foreign countries | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (76,285)  
Panda Bonds - CNY | Foreign countries | Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
Panda Bonds - CNY | Foreign countries | Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
Export credits (“export prepayments”) | Foreign countries      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (13,321,704)  
Export credits (“export prepayments”) | Foreign countries | 2027      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (1,552,288)  
Export credits (“export prepayments”) | Foreign countries | 2028      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (2,449,249)  
Export credits (“export prepayments”) | Foreign countries | 2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (3,423,547)  
Export credits (“export prepayments”) | Foreign countries | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (5,064,262)  
Export credits (“export prepayments”) | Foreign countries | Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (832,358)  
Export credits (“export prepayments”) | Foreign countries | Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
Assets Financing | Foreign countries      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (117,727)  
Assets Financing | Foreign countries | 2027      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (49,589)  
Assets Financing | Foreign countries | 2028      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (62,326)  
Assets Financing | Foreign countries | 2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (5,812)  
Assets Financing | Foreign countries | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
Assets Financing | Foreign countries | Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
Assets Financing | Country of domicile      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (28,705)  
Assets Financing | Country of domicile | 2027      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (9,604)  
Assets Financing | Country of domicile | 2028      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (19,033)  
Assets Financing | Country of domicile | 2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (68)  
Assets Financing | Country of domicile | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
ECA - Export Credit Agency | Foreign countries      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (1,673,813)  
ECA - Export Credit Agency | Foreign countries | Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (644,327)  
ECA - Export Credit Agency | Foreign countries | Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (1,029,486)  
IFC - International Finance Corporation | Foreign countries      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (4,856,113)  
IFC - International Finance Corporation | Foreign countries | 2027      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
IFC - International Finance Corporation | Foreign countries | 2028      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
IFC - International Finance Corporation | Foreign countries | 2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
IFC - International Finance Corporation | Foreign countries | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
IFC - International Finance Corporation | Foreign countries | Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (1,207,873)  
IFC - International Finance Corporation | Foreign countries | Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings R$ (3,648,240)    
BNDES – TJLP | Country of domicile | BNDES – TJLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (10,085)  
BNDES – TJLP | Country of domicile | 2027 | BNDES – TJLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (1,891)  
BNDES – TJLP | Country of domicile | 2028 | BNDES – TJLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (3,782)  
BNDES – TJLP | Country of domicile | 2029 | BNDES – TJLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (3,782)  
BNDES – TJLP | Country of domicile | 2030 | BNDES – TJLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (630)  
BNDES – TJLP | Country of domicile | Later than five years and not later than six years | BNDES – TJLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
BNDES – TLP | Country of domicile | BNDES – TLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (5,688,355)  
BNDES – TLP | Country of domicile | 2027 | BNDES – TLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (81,114)  
BNDES – TLP | Country of domicile | 2028 | BNDES – TLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (159,396)  
BNDES – TLP | Country of domicile | 2029 | BNDES – TLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (145,230)  
BNDES – TLP | Country of domicile | 2030 | BNDES – TLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (387,945)  
BNDES – TLP | Country of domicile | Later than five years and not later than six years | BNDES – TLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (490,292)  
BNDES – TLP | Country of domicile | Later than six years [Member] | BNDES – TLP      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (4,424,378)  
BNDES – Selic (“Special Settlement and Custody System”) | Country of domicile | BNDES – SELIC      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (529,066)  
BNDES – Selic (“Special Settlement and Custody System”) | Country of domicile | 2027 | BNDES – SELIC      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (17,317)  
BNDES – Selic (“Special Settlement and Custody System”) | Country of domicile | 2028 | BNDES – SELIC      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (42,369)  
BNDES – Selic (“Special Settlement and Custody System”) | Country of domicile | 2029 | BNDES – SELIC      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (42,369)  
BNDES – Selic (“Special Settlement and Custody System”) | Country of domicile | 2030 | BNDES – SELIC      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (42,369)  
BNDES – Selic (“Special Settlement and Custody System”) | Country of domicile | Later than five years and not later than six years | BNDES – SELIC      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (42,369)  
BNDES – Selic (“Special Settlement and Custody System”) | Country of domicile | Later than six years [Member] | BNDES – SELIC      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (342,273)  
BNDES – TR | Country of domicile | BNDES – TR      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (148,276)  
BNDES – TR | Country of domicile | 2027 | BNDES – TR      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (5,534)  
BNDES – TR | Country of domicile | 2028 | BNDES – TR      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (11,068)  
BNDES – TR | Country of domicile | 2029 | BNDES – TR      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (11,068)  
BNDES – TR | Country of domicile | 2030 | BNDES – TR      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (11,068)  
BNDES – TR | Country of domicile | Later than five years and not later than six years | BNDES – TR      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (11,068)  
BNDES – TR | Country of domicile | Later than six years [Member] | BNDES – TR      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (98,470)  
NCE (“Export Credit Notes”) | Country of domicile      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (100,000)  
NCE (“Export Credit Notes”) | Country of domicile | 2027      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (25,000)  
NCE (“Export Credit Notes”) | Country of domicile | 2028      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (25,000)  
NCE (“Export Credit Notes”) | Country of domicile | 2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (25,000)  
NCE (“Export Credit Notes”) | Country of domicile | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (25,000)  
NCE (“Export Credit Notes”) | Country of domicile | Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
NCR ("Rural producer certificate") | Country of domicile      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (5,451,530)  
NCR ("Rural producer certificate") | Country of domicile | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (2,000,000)  
NCR ("Rural producer certificate") | Country of domicile | Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (3,451,530)  
NCR ("Rural producer certificate") | Country of domicile | Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
Debentures | Country of domicile      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (9,512,582)  
Debentures | Country of domicile | 2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings    
Debentures | Country of domicile | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (573,130)  
Debentures | Country of domicile | Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (500,000)  
Debentures | Country of domicile | Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (8,439,452)  
Total in foreign currency [Member] | Foreign countries      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (61,536,581)  
Total in foreign currency [Member] | Foreign countries | 2027      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (2,517,107)  
Total in foreign currency [Member] | Foreign countries | 2028      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (6,080,900)  
Total in foreign currency [Member] | Foreign countries | 2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (12,027,457)  
Total in foreign currency [Member] | Foreign countries | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (10,256,829)  
Total in foreign currency [Member] | Foreign countries | Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (9,155,640)  
Total in foreign currency [Member] | Foreign countries | Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (21,498,648)  
Total in local currency [Member] | Country of domicile      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (26,842,322)  
Total in local currency [Member] | Country of domicile | 2027      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (147,289)  
Total in local currency [Member] | Country of domicile | 2028      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (276,450)  
Total in local currency [Member] | Country of domicile | 2029      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (317,617)  
Total in local currency [Member] | Country of domicile | 2030      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (3,130,304)  
Total in local currency [Member] | Country of domicile | Later than five years and not later than six years      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   (4,585,421)  
Total in local currency [Member] | Country of domicile | Later than six years [Member]      
Disclosure of detailed information about borrowings [line items]      
Non-current portion of non-current borrowings   R$ (18,385,241)