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Financial instruments - Fair value of loans and financing (Details) - Loans, financing and debentures - BRL (R$) R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities, at fair value | R$ 98,802,972 | R$ 75,703,064
Bonds | Foreign countries | Fixed |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | Secondary Market |
Financial liabilities, at fair value | R$ 48,734,909 | 38,703,379
Export credits (“export prepayments”) | Foreign countries | SOFR |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | SOFR |
Financial liabilities, at fair value | R$ 22,740,891 | 17,783,760
Export credits (“export prepayments”) | Country of domicile | Fixed |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 1 |
Financial liabilities, at fair value |  | 824,035
Assets Financing | Foreign countries | SOFR |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | SOFR |
Financial liabilities, at fair value | R$ 422,115 | 278,107
Assets Financing | Country of domicile | SOFR |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 1 |
Financial liabilities, at fair value | R$ 60,566 | 75,622
ECA - Export Credit Agency | Foreign countries | SOFR |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | SOFR |
Financial liabilities, at fair value | R$ 864,202 |
IFC - International Finance Corporation | Foreign countries | SOFR |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | SOFR |
Financial liabilities, at fair value | R$ 6,261,715 | 3,198,761
Panda Bonds (1) | Foreign countries | Fixed |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | Fixed |
Financial liabilities, at fair value | R$ 951,125 |
BNDES – TJLP [Member] | Country of domicile | BNDES – TJLP |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 1 |
Financial liabilities, at fair value | R$ 171,109 | 215,458
BNDES – TLP [Member] | Country of domicile | BNDES – TLP |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 1 |
Financial liabilities, at fair value | R$ 3,275,012 | 2,712,762
BNDES | Country of domicile | Fixed |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 1 |
Financial liabilities, at fair value |  | 3,903
BNDES | Country of domicile | BNDES – SELIC |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 1 |
Financial liabilities, at fair value | R$ 645,139 | 686,798
BNDES – TR | Country of domicile | BNDES – TR |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 1 |
Financial liabilities, at fair value | R$ 33,466 |
BNDES - US$ | Country of domicile | BNDES - US$ |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 2 |
Financial liabilities, at fair value | R$ 106,966 |
Debentures | Country of domicile | CDI/IPCA |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 1/IPCA |
Financial liabilities, at fair value | R$ 12,002,992 | 8,881,277
NCE ("Export Credit Notes") | Country of domicile | CDI |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 1 |
Financial liabilities, at fair value | R$ 108,308 | 110,396
NCR ("Rural Credit Notes") | Country of domicile | CDI |  |
Disclosure of detailed information about financial instruments [line items] |  |
Description of valuation techniques used to measure fair value less costs of disposal | DI 1 |
Financial liabilities, at fair value | R$ 2,424,457 | R$ 2,228,806

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