Intangible assets (Details Text) (Detail)	3 Months Ended	12 Months Ended
Mar. 31, 2018	Dec. 31, 2017
Intangible Assets Details Text [Abstract]
The PagSeguro Brazil Group capitalizes the expenses incurred with the development of platforms, which are amortized over the useful lives	three to five years	three to five years

The amortisation method used for intangible assets other than goodwill with finite useful lives. [Refer: Intangible assets other than goodwill; Depreciation and amortisation expense]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 38
-IssueDate 2017-01-01
-Paragraph 118
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2017-03-01&anchor=para_118_b&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_AmortisationMethodIntangibleAssetsOtherThanGoodwill
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration