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Brumadinho dam failure - Provision for socio-economic reparation and others and provision for social and environmental reparation (Details)	12 Months Ended
	Dec. 31, 2021
Provision for socio-economic reparation and others
Provisions.
Project average term	5 years
Provision for social and environmental reparation
Provisions.
Project average term	5 years

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Represents the provision for socio economic reparation and others, project average term

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