Commitments, contingencies and operating risks - Credit related commitments (Details) - RUB (₽) ₽ in Billions	1 Months Ended	3 Months Ended
Apr. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Commitments, contingencies and operating risks
Number of days without use of card to cancel credit offer and cut limits		120 days
Unused limits on instalment card loans		₽ 28.0	₽ 26.8
Decrease in outstanding credit limits	₽ 11.5

The amount of contractual undiscounted cash flows for gross commitments to receive a loan.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2019-01-01
-Paragraph B11D
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_B11D_e&doctype=Appendix&subtype=B
-URIDate 2019-03-27

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