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Inventories - Movements in the Provision for Losses (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Classes of current inventories [abstract]      
Provisions for losses, beginning R$ 13,078 R$ 40,993 R$ 40,724
Addition to provision for adjustment to realizable value   5,974 2,245
Provision for obsolescence and other losses 10,028    
Reversal of provision for adjustment to realizable value (1,180)    
Reversal of provision for obsolescence and other losses   (5,184) (1,976)
Reclassification to assets held for sale   (28,705)  
Provisions for losses, ending R$ 21,926 R$ 13,078 R$ 40,993