Loans and financing - Schedule of Loans and Financing (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2026	Dec. 31, 2025
Foreign currency
Current	$ 1,421,378	$ 833,085
Non-current	22,186,985	20,257,483
Foreign currency
Foreign currency
Current	628,932	267,528
Non-current	664,612	108,089
Local currency
Foreign currency
Current	792,446	565,557
Non-current	$ 21,522,373	20,149,394
ACC - Advances on exchange \| Foreign currency
Foreign currency
Currency	USD
Index	—
Payment terms /non-current debt	2026 - 2027
Current	$ 452,548	0
Non-current	$ 0	0
ACC - Advances on exchange \| Foreign currency \| Minimum
Foreign currency
Average annual interest rate, range	4.57%
ACC - Advances on exchange \| Foreign currency \| Maximum
Foreign currency
Average annual interest rate, range	5.10%
Export credit note \| Foreign currency
Foreign currency
Average annual interest rate, range	4.94%
Currency	USD
Index	SOFR
Payment terms /non-current debt	2026
Current	$ 0	254,903
Non-current	$ 0	0
Working Capital 7.28% \| Foreign currency
Foreign currency
Average annual interest rate, range	7.28%
Currency	USD
Index	SOFR
Payment terms /non-current debt	2030
Current	$ 420	9,859
Non-current	$ 1,537	1,832
Working Capital 3.63% \| Foreign currency
Foreign currency
Average annual interest rate, range	3.63%
Currency	EUR
Index	—
Payment terms /non-current debt	2027
Current	$ 21,851	0
Non-current	$ 0	0
CRA - Agribusiness Receivables Certificates \| Foreign currency
Foreign currency
Currency	USD
Index	—
Payment terms /non-current debt	2028 - 2035
Current	$ 1,900	1,740
Non-current	$ 94,508	104,290
CRA - Agribusiness Receivables Certificates \| Foreign currency \| Minimum
Foreign currency
Average annual interest rate, range	4.71%
CRA - Agribusiness Receivables Certificates \| Foreign currency \| Maximum
Foreign currency
Average annual interest rate, range	6.00%
CRA - Agribusiness Receivables Certificates \| Local currency
Foreign currency
Currency	BRL
Index	IPCA - CDI
Payment terms /non-current debt	2028 - 2065
Current	$ 44,063	28,581
Non-current	$ 2,265,739	2,190,843
CRA - Agribusiness Receivables Certificates \| Local currency \| Minimum
Foreign currency
Average annual interest rate, range	10.61%
CRA - Agribusiness Receivables Certificates \| Local currency \| Maximum
Foreign currency
Average annual interest rate, range	13.90%
Livestock financing \| Foreign currency
Foreign currency
Average annual interest rate, range	6.43%
Currency	USD
Index	—
Payment terms /non-current debt	2031
Current	$ 1,512	0
Non-current	$ 5,668	0
Livestock financing \| Local currency
Foreign currency
Average annual interest rate, range	13.51%
Currency	BRL
Index	CDI
Payment terms /non-current debt	2027
Current	$ 205,139	114,903
Non-current	$ 0	0
Prepayment \| Foreign currency
Foreign currency
Average annual interest rate, range	5.23%
Currency	USD
Index	SOFR
Payment terms /non-current debt	2027
Current	$ 150,330	0
Non-current	$ 0	0
Notes (Bonds) \| Foreign currency
Foreign currency
Average annual interest rate, range	4.75%
Currency	EUR
Index	—
Payment terms /non-current debt	2034
Current	$ 371	0
Non-current	$ 562,899	0
Notes (Bonds) \| Local currency
Foreign currency
Currency	USD
Index	—
Payment terms /non-current debt	2027 - 2066
Current	$ 397,596	295,111
Non-current	$ 18,733,261	17,793,347
Notes (Bonds) \| Local currency \| Minimum
Foreign currency
Average annual interest rate, range	2.50%
Notes (Bonds) \| Local currency \| Maximum
Foreign currency
Average annual interest rate, range	7.25%
Others \| Foreign currency
Foreign currency
Currency	Several
Index	Several
Payment terms /non-current debt	Several
Current	$ 0	1,026
Non-current	$ 0	1,967
Others \| Foreign currency \| Minimum
Foreign currency
Average annual interest rate, range	4.85%
Others \| Foreign currency \| Maximum
Foreign currency
Average annual interest rate, range	6.19%
Revolving Credit 4.01% \| Local currency
Foreign currency
Average annual interest rate, range	4.01%
Currency	EUR
Index	EURIBOR
Payment terms /non-current debt	2026
Current	$ 50,242	33,701
Non-current	$ 0	0
Revolving Credit 5.51% - 5.70 % \| Local currency
Foreign currency
Currency	AUD
Index	BBSW
Payment terms /non-current debt	2028
Current	$ 1,152	0
Non-current	$ 293,834	0
Revolving Credit 5.51% - 5.70 % \| Local currency \| Minimum
Foreign currency
Average annual interest rate, range	5.51%
Revolving Credit 5.51% - 5.70 % \| Local currency \| Maximum
Foreign currency
Average annual interest rate, range	5.70%
Rural credit \| Local currency
Foreign currency
Average annual interest rate, range	9.00%
Currency	BRL
Index	—
Payment terms /non-current debt	2035
Current	$ 453	0
Non-current	$ 11,581	10,904
Working Capital \| Local currency
Foreign currency
Currency	EUR
Index	EURIBOR
Payment terms /non-current debt	2026 - 2032
Current	$ 32,373	47,716
Non-current	$ 13,094	14,343
Working Capital \| Local currency \| Minimum
Foreign currency
Average annual interest rate, range	2.89%
Working Capital \| Local currency \| Maximum
Foreign currency
Average annual interest rate, range	6.20%
CDC - Direct credit to consumers \| Local currency
Foreign currency
Currency	BRL
Index	—
Payment terms /non-current debt	2026
Current	$ 0	907
Non-current	$ 0	0
CDC - Direct credit to consumers \| Local currency \| Minimum
Foreign currency
Average annual interest rate, range	14.18%
CDC - Direct credit to consumers \| Local currency \| Maximum
Foreign currency
Average annual interest rate, range	17.12%
Debentures \| Local currency
Foreign currency
Average annual interest rate, range	12.55%
Currency	BRL
Index	IPCA
Payment terms /non-current debt	2036
Current	$ 1,112	0
Non-current	$ 74,555	0
Others \| Local currency
Foreign currency
Currency	Several
Index	Several
Payment terms /non-current debt	Several
Current	$ 60,316	44,638
Non-current	$ 130,309	$ 139,957
Others \| Local currency \| Minimum
Foreign currency
Average annual interest rate, range	3.23%
Others \| Local currency \| Maximum
Foreign currency
Average annual interest rate, range	8.08%

Loans and financing - Schedule of Loans and Financing (Details) - USD ($)
$ in Thousands

9 Months Ended

Sep. 30, 2026

Dec. 31, 2025

Foreign currency

Current

$ 1,421,378

$ 833,085

Non-current

22,186,985

20,257,483

Foreign currency