Balances and transactions with related parties (Details) - RUB (₽) ₽ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Balances and transactions with related parties
Customers accounts payable - cash held by related parties	₽ 51	₽ 97
Amounts owed (accounts payable) to related parties	207	18
Amounts owed (accounts receivable) by related parties	180
Benefits of key management and Board of Directors - short-term benefits	120	115	₽ 122
Benefits of key management and Board of Directors - share-based payments	₽ 36	₽ 22	₽ 14

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Number 24
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amounts receivable resulting from related party transactions. [Refer: Related parties [member]]

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

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- Definition

The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
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Balance Type:	debit
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- Definition

The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 24
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- Definition

Customers accounts payable in related party transactions

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
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