Accounts Receivable from Card Issuers - Summary of Accounts Receivables (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$ 13,595,133	R$ 9,195,466
Accounts receivable from other acquirers	478,917	54,968
Allowance for expected credit losses	(7,236)	(5,826)
Accounts receivable from card issuers	R$ 14,066,814	R$ 9,244,608

The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
-Number 7
-IssueDate 2019-01-01
-Paragraph 16
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b
-URIDate 2019-03-27

Name:	ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant