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ENVIRONMENTAL LIABILITIES (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2018	Dec. 31, 2017
ENVIRONMENTAL LIABILITIES
Provision for environmental liabilities	R$ 132,647	R$ 85,191
Current	60,419	21,928
Non-current	R$ 72,228	R$ 63,263

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- Definition

The amount of non-current provision for decommissioning, restoration and rehabilitation costs. [Refer: Provision for decommissioning, restoration and rehabilitation costs]

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The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions]

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The amount of current provision for decommissioning, restoration and rehabilitation costs. [Refer: Provision for decommissioning, restoration and rehabilitation costs]

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