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Recoverable taxes - Schedule of estimated recovery of ICMS credits (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Disclosure of estimated recovery of ICMS credits [line items]    
Total recoverable ICMS, net of provision R$ 3,783,271 R$ 2,108,025
ICMS [member]    
Disclosure of estimated recovery of ICMS credits [line items]    
Total recoverable ICMS, net of provision 1,312,990 R$ 893,206
ICMS [member] | Up to 1 year    
Disclosure of estimated recovery of ICMS credits [line items]    
Total recoverable ICMS, net of provision 568,748  
ICMS [member] | 1 to 2 years    
Disclosure of estimated recovery of ICMS credits [line items]    
Total recoverable ICMS, net of provision 278,500  
ICMS [member] | 2 to 3 years    
Disclosure of estimated recovery of ICMS credits [line items]    
Total recoverable ICMS, net of provision 197,252  
ICMS [member] | From 3 to 5 Years    
Disclosure of estimated recovery of ICMS credits [line items]    
Total recoverable ICMS, net of provision R$ 268,490