v3.25.1
Loans, financing and debentures - Breakdown by maturity – non-current (Details) - BRL (R$)
R$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings R$ (87,613,961) R$ (90,934,144)
2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (4,642,146)  
2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (9,214,872)  
2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (8,985,719)  
2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (17,455,730)  
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 (12,941,881)  
Later than six years [Member]    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (34,369,387)  
Bonds | Foreign countries    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (45,691,405)  
Bonds | Foreign countries | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (2,968,093)  
Bonds | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (4,011,716)  
Bonds | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (2,852,225)  
Bonds | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (10,018,435)  
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 (5,660,739)  
Bonds | Foreign countries | Later than six years [Member]    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (20,180,197)  
Panda Bonds (1) | Foreign countries    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (948,655)  
Panda Bonds (1) | Foreign countries | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
Panda Bonds (1) | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (948,655)  
Panda Bonds (1) | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
Panda Bonds (1) | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
Panda Bonds (1) | 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 (1) | 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 (16,983,690)  
Export credits (“export prepayments”) | Foreign countries | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (1,224,473)  
Export credits (“export prepayments”) | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,594,061)  
Export credits (“export prepayments”) | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,583,133)  
Export credits (“export prepayments”) | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (4,807,933)  
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 (3,062,507)  
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 (711,583)  
Assets Financing | Foreign countries    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (269,563)  
Assets Financing | Foreign countries | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (83,169)  
Assets Financing | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (111,553)  
Assets Financing | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (68,475)  
Assets Financing | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (6,366)  
Assets Financing | 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  
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 (52,307)  
Assets Financing | Country of domicile | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (14,092)  
Assets Financing | Country of domicile | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (19,114)  
Assets Financing | Country of domicile | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (19,034)  
Assets Financing | Country of domicile | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (67)  
Assets Financing | 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  
Assets Financing | Country of domicile | Later than six years [Member]    
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 (713,766)  
ECA - Export Credit Agency | Foreign countries | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
ECA - Export Credit Agency | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
ECA - Export Credit Agency | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
ECA - Export Credit Agency | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
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  
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 (713,766)  
IFC - International Finance Corporation | Foreign countries    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (5,398,827)  
IFC - International Finance Corporation | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (290,300)  
IFC - International Finance Corporation | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (1,477,021)  
IFC - International Finance Corporation | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (2,400,463)  
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 (1,231,043)  
BNDES – TJLP [Member] | Country of domicile | BNDES – TJLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (76,811)  
BNDES – TJLP [Member] | Country of domicile | 2026 | BNDES – TJLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (65,250)  
BNDES – TJLP [Member] | Country of domicile | 2027 | BNDES – TJLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,651)  
BNDES – TJLP [Member] | Country of domicile | 2028 | BNDES – TJLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,651)  
BNDES – TJLP [Member] | Country of domicile | 2029 | BNDES – TJLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,651)  
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 (608)  
BNDES – TJLP [Member] | Country of domicile | Later than six years [Member] | 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 (4,665,467)  
BNDES – TLP [Member] | Country of domicile | 2026 | BNDES – TLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (80,906)  
BNDES – TLP [Member] | Country of domicile | 2027 | BNDES – TLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (161,927)  
BNDES – TLP [Member] | Country of domicile | 2028 | BNDES – TLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (159,092)  
BNDES – TLP [Member] | Country of domicile | 2029 | BNDES – TLP    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (144,920)  
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 (372,599)  
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 (3,746,023)  
BNDES – SELIC [Member] | Country of domicile | BNDES – SELIC    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (663,562)  
BNDES – SELIC [Member] | Country of domicile | 2026 | BNDES – SELIC    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (198,744)  
BNDES – SELIC [Member] | Country of domicile | 2027 | BNDES – SELIC    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (35,645)  
BNDES – SELIC [Member] | Country of domicile | 2028 | BNDES – SELIC    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (35,645)  
BNDES – SELIC [Member] | Country of domicile | 2029 | BNDES – SELIC    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (35,645)  
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 (35,645)  
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 (322,238)  
BNDES – TR | Country of domicile | BNDES – TR    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (68,998)  
BNDES – TR | Country of domicile | 2026 | BNDES – TR    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (3,161)  
BNDES – TR | Country of domicile | 2027 | BNDES – TR    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (4,734)  
BNDES – TR | Country of domicile | 2028 | BNDES – TR    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (4,734)  
BNDES – TR | Country of domicile | 2029 | BNDES – TR    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (4,734)  
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 (4,734)  
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 (46,901)  
BNDES - UMBNDES | Country of domicile | BNDES - UMBNDES    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (157,555)  
BNDES - UMBNDES | Country of domicile | 2026 | BNDES - UMBNDES    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (4,258)  
BNDES - UMBNDES | Country of domicile | 2027 | BNDES - UMBNDES    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (8,516)  
BNDES - UMBNDES | Country of domicile | 2028 | BNDES - UMBNDES    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (8,516)  
BNDES - UMBNDES | Country of domicile | 2029 | BNDES - UMBNDES    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (8,516)  
BNDES - UMBNDES | Country of domicile | Later than five years and not later than six years | BNDES - UMBNDES    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (8,516)  
BNDES - UMBNDES | Country of domicile | Later than six years [Member] | BNDES - UMBNDES    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (119,233)  
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 | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
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 | 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 (25,000)  
NCE ("Export Credit Notes") | Country of domicile | Later than six years [Member]    
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 (2,000,000)  
NCR ("Rural producer certificate") | Country of domicile | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
NCR ("Rural producer certificate") | Country of domicile | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
NCR ("Rural producer certificate") | Country of domicile | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
NCR ("Rural producer certificate") | Country of domicile | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
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 (2,000,000)  
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 (9,819,129)  
Debentures | Country of domicile | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
Debentures | Country of domicile | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
Debentures | Country of domicile | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (749,193)  
Debentures | Country of domicile | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings  
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 (540,490)  
Debentures | Country of domicile | Later than six years [Member]    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (8,529,446)  
Total in foreign currency [Member] | Foreign countries    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (70,005,906)  
Total in foreign currency [Member] | Foreign countries | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (4,275,735)  
Total in foreign currency [Member] | Foreign countries | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (8,956,285)  
Total in foreign currency [Member] | Foreign countries | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (7,980,854)  
Total in foreign currency [Member] | Foreign countries | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (17,233,197)  
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 (9,954,289)  
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 (21,605,546)  
Total in local currency [Member] | Country of domicile    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (17,603,829)  
Total in local currency [Member] | Country of domicile | 2026    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (366,411)  
Total in local currency [Member] | Country of domicile | 2027    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (258,587)  
Total in local currency [Member] | Country of domicile | 2028    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (1,004,865)  
Total in local currency [Member] | Country of domicile | 2029    
Disclosure of detailed information about borrowings [line items]    
Non-current portion of non-current borrowings (222,533)  
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 (2,987,592)  
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$ (12,763,841)