v3.26.1
Loans, financing and debentures - Breakdown by maturity – non-current (Details) - BRL (R$)
R$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings R$ (87,301,230) R$ (91,796,352)
2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,803,013)  
2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (8,195,704)  
2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (14,830,563)  
2030    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (14,879,329)  
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 (12,207,704)  
Later than six years [Member]    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (33,384,917)  
Bonds | Foreign countries    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (39,937,294)  
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 (2,599,399)  
Bonds | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (8,700,749)  
Bonds | Foreign countries | 2030    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (5,155,884)  
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 (6,525,377)  
Bonds | Foreign countries | Later than six years [Member]    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (16,955,885)  
Panda Bonds - CNH [Member] | Foreign countries    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (1,963,907)  
Panda Bonds - CNH [Member] | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (907,427)  
Panda Bonds - CNH [Member] | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (980,837)  
Panda Bonds - CNH [Member] | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
Panda Bonds - CNH [Member] | Foreign countries | 2030    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (75,643)  
Panda Bonds - CNH [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  
Panda Bonds - CNH [Member] | 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 (15,253,641)  
Export credits (“export prepayments”) | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (2,347,334)  
Export credits (“export prepayments”) | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (2,943,742)  
Export credits (“export prepayments”) | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,627,988)  
Export credits (“export prepayments”) | Foreign countries | 2030    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (5,419,096)  
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 (915,481)  
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 (143,525)  
Assets Financing | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (75,592)  
Assets Financing | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (62,089)  
Assets Financing | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (5,844)  
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 (33,473)  
Assets Financing | Country of domicile | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (14,372)  
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 (1,687,185)  
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 (649,476)  
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 (1,037,709)  
IFC - International Finance Corporation | Foreign countries    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (4,919,069)  
IFC - International Finance Corporation | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (263,870)  
IFC - International Finance Corporation | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (1,342,546)  
IFC - International Finance Corporation | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (2,187,723)  
IFC - International Finance Corporation | Foreign countries | 2030    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (1,124,930)  
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  
BNDES – TJLP [Member] | Country of domicile | BNDES – TJLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (10,951)  
BNDES – TJLP [Member] | Country of domicile | 2027 | BNDES – TJLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (2,816)  
BNDES – TJLP [Member] | Country of domicile | 2028 | BNDES – TJLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,755)  
BNDES – TJLP [Member] | Country of domicile | 2029 | BNDES – TJLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,755)  
BNDES – TJLP [Member] | Country of domicile | 2030 | BNDES – TJLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (625)  
BNDES – TJLP [Member] | 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 [Member] | Country of domicile | BNDES – TLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (5,576,674)  
BNDES – TLP [Member] | Country of domicile | 2027 | BNDES – TLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (120,552)  
BNDES – TLP [Member] | Country of domicile | 2028 | BNDES – TLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (157,903)  
BNDES – TLP [Member] | Country of domicile | 2029 | BNDES – TLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (143,738)  
BNDES – TLP [Member] | Country of domicile | 2030 | BNDES – TLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (381,296)  
BNDES – TLP [Member] | 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 (481,610)  
BNDES – TLP [Member] | 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 (4,291,575)  
BNDES – SELIC [Member] | Country of domicile | BNDES – SELIC    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (522,110)  
BNDES – SELIC [Member] | Country of domicile | 2027 | BNDES – SELIC    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (30,542)  
BNDES – SELIC [Member] | Country of domicile | 2028 | BNDES – SELIC    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (40,722)  
BNDES – SELIC [Member] | Country of domicile | 2029 | BNDES – SELIC    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (40,722)  
BNDES – SELIC [Member] | Country of domicile | 2030 | BNDES – SELIC    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (40,722)  
BNDES – SELIC [Member] | 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 (40,722)  
BNDES – SELIC [Member] | 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 (328,680)  
BNDES – TR | Country of domicile | BNDES – TR    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (151,019)  
BNDES – TR | Country of domicile | 2027 | BNDES – TR    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (8,301)  
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 (98,446)  
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 (5,000,000)  
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 (3,000,000)  
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 (9,240,683)  
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 (561,095)  
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 (8,179,588)  
Total in foreign currency [Member] | Foreign countries    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (63,904,621)  
Total in foreign currency [Member] | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,594,223)  
Total in foreign currency [Member] | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (7,928,613)  
Total in foreign currency [Member] | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (14,522,304)  
Total in foreign currency [Member] | Foreign countries | 2030    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (11,775,553)  
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 (8,090,334)  
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 (17,993,594)  
Total in local currency [Member] | Country of domicile    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (23,396,609)  
Total in local currency [Member] | Country of domicile | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (208,790)  
Total in local currency [Member] | Country of domicile | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (267,091)  
Total in local currency [Member] | Country of domicile | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (308,259)  
Total in local currency [Member] | Country of domicile | 2030    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,103,776)  
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 (4,117,370)  
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$ (15,391,323)