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Accounts Receivable from Card Issuers - Additional Information (Detail) - Accounts receivable from card issuers [member] - BRL (R$)
R$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Disclosure of Trade receivables [line items]    
Accounts receivable from card issuers R$ 14,066,814 R$ 9,244,608
FIDC AR 1 and AR 2 [member]    
Disclosure of Trade receivables [line items]    
Accounts receivable from card issuers R$ 3,714,422 R$ 2,166,132