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Basis of preparation and presentation of the consolidated financial statements and significant accounting policies - Additional Information (Detail)
R$ in Thousands
 12 Months Ended
Dec. 31, 2022
BRL (R$)
Installments
Dec. 31, 2021
BRL (R$)
Dec. 31, 2020
BRL (R$)
Dec. 31, 2019
BRL (R$)
Basis Of Presentation And Summary Of Significant Accounting Policies [line items]        
Statutory tax rates in Brazil 34.00% 34.00% 34.00%  
Cumulative translation adjustments R$ 0 R$ 304,645 R$ 231,596 R$ 102,427
Average term of maturity of financial liabilities of customers | Installments 50      
Average rate of financial liabilities of customers 13.70%      
Extrafarma [member]        
Basis Of Presentation And Summary Of Significant Accounting Policies [line items]        
Impairment loss of assets before tax effect R$ 427,529      
Deferred income and social contribution tax expense (benefit) on impairment loss of assets 145,360      
Net impairment loss of assets R$ 282,169      
IRPJ [member]        
Basis Of Presentation And Summary Of Significant Accounting Policies [line items]        
Statutory tax rates in Brazil 25.00%      
CSLL [member]        
Basis Of Presentation And Summary Of Significant Accounting Policies [line items]        
Statutory tax rates in Brazil 9.00%      
Bottom of range [member]        
Basis Of Presentation And Summary Of Significant Accounting Policies [line items]        
Terms of reseller financing 12 months      
Top of range [member]        
Basis Of Presentation And Summary Of Significant Accounting Policies [line items]        
Terms of reseller financing 60 months      
Reseller financing rate per month 1.00%      
Weighted average [member]        
Basis Of Presentation And Summary Of Significant Accounting Policies [line items]        
Terms of reseller financing 40 months