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Property, plant and equipment - Asset Retirement Obligation (Details) - BRL (R$) R$ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Disclosure of detailed information about financial instruments [abstract]
Asset Retirement Obligation	R$ 68,597,000	R$ 65,327,000

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- Definition

Amount of the provision Asset retirement obligation of industrial landfills.

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