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Gain (loss) on disposal of PP&E and intangibles - Additional information (Detail) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Gain (loss) on disposal of PP&E and intangibles
Gain (loss) on disposal of PP&E and intangibles	R$ 184,189	R$ 85,455	R$ 1,700
Gain (loss) on disposal of Conectcar	R$ 76,485

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- Definition

The gains (losses) on disposals of investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The gains (losses) on disposals of non-current assets. [Refer: Non-current assets]

+ References

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- References

No definition available.

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