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Provisions and Contingencies - Breakdown of provisions by nature (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of other provisions [line items]    
Beginning balance R$ 898,045  
Additions 188,794  
Reversals (106,093)  
Payments (25,184)  
Interest 15,608  
Reclassification to liabilities held for sale [1] (38,985)  
Ending Balance 932,185 R$ 898,045
Current 119,942 43,660
Non-current 812,243 854,385
IRPJ and CSLL [member]    
Disclosure of other provisions [line items]    
Beginning balance 547,862  
Additions  
Reversals (6,966)  
Payments  
Interest 11,276  
Reclassification to liabilities held for sale [1]  
Ending Balance 552,172 547,862
ICMS [member]    
Disclosure of other provisions [line items]    
Beginning balance 108,568  
Additions 58,839  
Reversals (83,536)  
Payments  
Interest 284  
Reclassification to liabilities held for sale [1]  
Ending Balance 84,155 108,568
Civil, environmental and regulatory claims [member]    
Disclosure of other provisions [line items]    
Beginning balance 57,772  
Additions 87,066  
Reversals (9,702)  
Payments (8,116)  
Interest 724  
Reclassification to liabilities held for sale [1] (18,983)  
Ending Balance 108,761 57,772
Labor litigation [member]    
Disclosure of other provisions [line items]    
Beginning balance 90,675  
Additions 42,826  
Reversals (4,432)  
Payments (17,068)  
Interest 2,620  
Reclassification to liabilities held for sale [1] (19,161)  
Ending Balance 95,460 90,675
Others [Member]    
Disclosure of other provisions [line items]    
Beginning balance 93,168  
Additions 63  
Reversals (1,457)  
Payments  
Interest 704  
Reclassification to liabilities held for sale [1] (841)  
Ending Balance R$ 91,637 R$ 93,168
[1] For further information see Note 3.c.1.