Property and equipment (Details) - RUB (₽) ₽ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Property and equipment
Beginning balance	₽ 724	₽ 593
Ending balance	1,074	724
Decrease through classified as held for sale	(90)
Gross book value of fully depreciated assets	249	184
Gross carrying amount
Property and equipment
Beginning balance	1,237	1,029
Additions	736	365
Additions from business combinations (Note 6)	45
Disposals	(187)	(157)
Ending balance	1,831	1,237
Accumulated depreciation, amortisation and impairment
Property and equipment
Beginning balance	(513)	(436)
Depreciation charge	(284)	(206)
Disposals	40	129
Ending balance	(757)	(513)
Processing servers and engineering equipment
Property and equipment
Beginning balance	466	367
Ending balance	807	466
Processing servers and engineering equipment \| Gross carrying amount
Property and equipment
Beginning balance	822	695
Transfer between groups	22	77
Additions	478	196
Additions from business combinations (Note 6)	82
Disposals	(65)	(146)
Ending balance	1,339	822
Processing servers and engineering equipment \| Accumulated depreciation, amortisation and impairment
Property and equipment
Beginning balance	(356)	(328)
Depreciation charge	(192)	(150)
Disposals	16	122
Ending balance	(532)	(356)
Computers and office equipment
Property and equipment
Beginning balance	54	30
Ending balance	172	54
Computers and office equipment \| Gross carrying amount
Property and equipment
Beginning balance	130	91
Transfer between groups	5	1
Additions	134	45
Additions from business combinations (Note 6)	22
Disposals	(13)	(7)
Ending balance	278	130
Computers and office equipment \| Accumulated depreciation, amortisation and impairment
Property and equipment
Beginning balance	(76)	(61)
Depreciation charge	(40)	(21)
Disposals	10	6
Ending balance	(106)	(76)
Other equipment
Property and equipment
Beginning balance	93	115
Ending balance	76	93
Other equipment \| Gross carrying amount
Property and equipment
Beginning balance	174	162
Transfer between groups	12
Additions	109	16
Additions from business combinations (Note 6)	9
Disposals	(109)	(4)
Ending balance	195	174
Other equipment \| Accumulated depreciation, amortisation and impairment
Property and equipment
Beginning balance	(81)	(47)
Depreciation charge	(52)	(35)
Disposals	14	1
Ending balance	(119)	(81)
Construction in progress (CIP) and Advances for equipment
Property and equipment
Beginning balance	111	81
Ending balance	19	111
Construction in progress (CIP) and Advances for equipment \| Gross carrying amount
Property and equipment
Beginning balance	111	81
Transfer between groups	(39)	(78)
Additions	15	108
Additions from business combinations (Note 6)	(68)
Ending balance	₽ 19	₽ 111

The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_iii&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_i&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The decrease in property, plant and equipment through classification as held for sale or inclusion in a disposal group classified as held for sale. [Refer: Disposal groups classified as held for sale [member]; Property, plant and equipment; Disposal groups classified as held for sale [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_ii&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-Clause vii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_vii&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 75
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_75_a&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_DepreciationPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

- Definition

The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment]

+ References

+ Details

Name:	ifrs-full_DisposalsPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 73
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 54
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_a&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_PropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The gross carrying amount of fully depreciated property, plant and equipment that is still in use. [Refer: Gross carrying amount [member]; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 16
-IssueDate 2018-01-01
-Paragraph 79
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_79_b&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_PropertyPlantAndEquipmentGrossCarryingAmountFullyDepreciated
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_GrossCarryingAmountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=qiwi_ProcessingServersAndEngineeringEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=qiwi_ComputersAndOfficeEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=qiwi_OtherEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=qiwi_ConstructionInProgressAndAdvancesForEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: