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Critical accounting estimates and judgments - Narrative (Details)
Sep. 30, 2025
cash-generatingUnits
unit
Sep. 30, 2024
unit
Disclosure of information for cash-generating units [line items]    
Number of cash-generating units 29 29
Argentina    
Disclosure of information for cash-generating units [line items]    
Conversion number, farmland representing a cash-generating units | cash-generatingUnits 1  
Number of cash-generating units 6 6
Brazil    
Disclosure of information for cash-generating units [line items]    
Number of cash-generating units 2 2