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Group information - Summary Of Associates (Detail)
12 Months Ended
Jun. 21, 2018
Dec. 31, 2019
Dec. 31, 2018
Linked Gourmet Solucoes para Restaurantes S.A.[member]      
Disclosure of associates [line items]      
Country of incorporation of associate   Brazil Brazil
Principal activities   Technology services Technology services
Group's equity interest 27.06% 48.56% 27.06%
Collact Servios Digitais Ltda.[member]      
Disclosure of associates [line items]      
Country of incorporation of associate   Brazil Brazil
Principal activities   Technology services Technology services
Group's equity interest   25.00%  
VHSYS Sistema de Gesto S.A.[member]      
Disclosure of associates [line items]      
Country of incorporation of associate   Brazil Brazil
Principal activities   Technology services Technology services
Group's equity interest   33.33%  
Alpha-Logo Servios de Informtica S.A.[member]      
Disclosure of associates [line items]      
Country of incorporation of associate   Brazil Brazil
Principal activities   Technology services Technology services
Group's equity interest   25.00%  
Trinks Servios de Internet S.A.[Member]      
Disclosure of associates [line items]      
Country of incorporation of associate   Brazil Brazil
Principal activities   Technology services Technology services
Group's equity interest   19.90%