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Line	Label	Object Class	Period Type	Balance	Report ElementName
1	00090 - Document - Document and Entity Information	Network	*	*	http://www.mtsgsm.com/role/DocumentDocumentAndEntityInformation
2	Implied Table	Table	*	*	implied:Table
3	Document and Entity Information	Abstract			mbt:DocumentAndEntityInformationAbstract
4	Entity Registrant Name	Concept (Text/String)	For Period		dei:EntityRegistrantName
5	Entity Central Index Key	Concept (CIK Number)	For Period		dei:EntityCentralIndexKey
6	Document Type	Concept (Submission Type)	For Period		dei:DocumentType
7	Document Period End Date	Concept (Date)	For Period		dei:DocumentPeriodEndDate
8	Amendment Flag	Concept (Yes/No)	For Period		dei:AmendmentFlag
9	Current Fiscal Year End Date	Concept (Month/Day)	For Period		dei:CurrentFiscalYearEndDate
10	Entity Well-known Seasoned Issuer	Concept (Yes/No)	For Period		dei:EntityWellKnownSeasonedIssuer
11	Entity Current Reporting Status	Concept (Yes/No)	For Period		dei:EntityCurrentReportingStatus
12	Entity Filer Category	Concept (Filer Category)	For Period		dei:EntityFilerCategory
13	Entity Emerging Growth Company	Concept (Yes/No)	For Period		dei:EntityEmergingGrowthCompany
14	Entity Shell Company	Concept (Yes/No)	For Period		dei:EntityShellCompany
15	Entity Common Stock, Shares Outstanding	Concept (Shares)	As Of		dei:EntityCommonStockSharesOutstanding
16	Document Fiscal Year Focus	Concept (Year)	For Period		dei:DocumentFiscalYearFocus
17	Document Fiscal Period Focus	Concept (Fiscal Period)	For Period		dei:DocumentFiscalPeriodFocus
18	00100 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION	Network	*	*	http://www.mtsgsm.com/role/StatementConsolidatedStatementsOfFinancialPosition
19	Implied Table	Table	*	*	implied:Table
20	CONSOLIDATED STATEMENTS OF FINANCIAL POSITION	Abstract			ifrs-full:StatementOfFinancialPositionAbstract
21	Assets	Abstract			ifrs-full:AssetsAbstract
22	NON-CURRENT ASSETS:	Abstract			ifrs-full:NoncurrentAssetsAbstract
23	Property, plant and equipment	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
24	Investment property	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentProperty
25	Right-of-use assets	Concept (Monetary)	As Of	Debit	ifrs-full:RightofuseAssets
26	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
27	Other intangible assets	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
28	Investment in associates	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInAssociates
29	Other investments	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
30	Deferred tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
31	Accounts receivable, related parties	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivablesDueFromRelatedParties
32	Trade accounts receivable	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentTradeReceivables
33	Bank deposits and loans to customers	Concept (Monetary)	As Of	Debit	mbt:NoncurrentBankDepositsAndLoans
34	Other financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentFinancialAssets
35	Other non-financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentNonfinancialAssets
36	Total non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
37	CURRENT ASSETS:	Abstract			ifrs-full:CurrentAssetsAbstract
38	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
39	Trade and other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
40	Accounts receivable, related parties	Concept (Monetary)	As Of	Debit	mbt:CurrentReceivablesDueFromRelatedParties
41	Bank deposits and loans to customers	Concept (Monetary)	As Of	Debit	mbt:ShortTermBankDepositsAndLoans
42	Short-term investments	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentInvestments
43	Advances paid and prepaid expenses	Concept (Monetary)	As Of	Debit	mbt:AdvancesAndCurrentPrepaidExpenses
44	VAT receivable	Concept (Monetary)	As Of	Debit	ifrs-full:ValueAddedTaxReceivables
45	Income tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTaxAssetsCurrent
46	Assets held for sale	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssetsAvailableforsale
47	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
48	Other financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentFinancialAssets
49	Other non-financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentNonfinancialAssets
50	Total current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
51	TOTAL ASSETS	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
52	EQUITY AND LIABILITIES	Abstract			ifrs-full:EquityAndLiabilitiesAbstract
53	EQUITY:	Abstract			ifrs-full:EquityAbstract
54	Common stock	Concept (Monetary)	As Of	Credit	ifrs-full:IssuedCapital
55	Treasury stock	Concept (Monetary)	As Of	Debit	ifrs-full:TreasuryShares
56	Additional paid-in capital	Concept (Monetary)	As Of	Credit	ifrs-full:AdditionalPaidinCapital
57	Retained earnings	Concept (Monetary)	As Of	Credit	ifrs-full:RetainedEarnings
58	Accumulated other comprehensive loss	Concept (Monetary)	As Of	Credit	ifrs-full:AccumulatedOtherComprehensiveIncome
59	Equity attributable to owners of the Company	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
60	Non-controlling interests	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
61	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
62	NON-CURRENT LIABILITIES:	Abstract			ifrs-full:NoncurrentLiabilitiesAbstract
63	Borrowings	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
64	Lease obligations	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLeaseLiabilities
65	Bank deposits and liabilities	Concept (Monetary)	As Of	Credit	mbt:NonCurrentBankDepositsAndLiabilities
66	Deferred tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilities
67	Provisions	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentProvisions
68	Contract liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentContractLiabilities
69	Other non-financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherNoncurrentNonfinancialLiabilities
70	Other financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherNoncurrentFinancialLiabilities
71	Total non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
72	CURRENT LIABILITIES:	Abstract			ifrs-full:CurrentLiabilitiesAbstract
73	Trade and other payables	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
74	Accounts payable, related parties	Concept (Monetary)	As Of	Credit	ifrs-full:AmountsPayableRelatedPartyTransactions
75	Contract liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentContractLiabilities
76	Borrowings	Concept (Monetary)	As Of	Credit	ifrs-full:ShorttermBorrowings
77	Lease obligations	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLeaseLiabilities
78	Bank deposits and liabilities	Concept (Monetary)	As Of	Credit	mbt:CurrentBankDepositsAndLiabilities
79	Income tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentTaxLiabilitiesCurrent
80	Provisions	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentProvisions
81	Other non-financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherCurrentNonfinancialLiabilities
82	Other financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherCurrentFinancialLiabilities
83	Total current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
84	TOTAL EQUITY AND LIABILITIES	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
85	00200 - Statement - CONSOLIDATED STATEMENTS OF PROFIT OR LOSS	Network	*	*	http://www.mtsgsm.com/role/StatementConsolidatedStatementsOfProfitOrLoss
86	Implied Table	Table	*	*	implied:Table
87	CONSOLIDATED STATEMENTS OF PROFIT OR LOSS	Abstract			ifrs-full:IncomeStatementAbstract
88	Service revenue	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromRenderingOfTelecommunicationServices
89	Sales of goods	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromSaleOfGoods
90	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromContractsWithCustomers
91	Cost of services	Concept (Monetary)	For Period	Debit	mbt:IfrsCostOfServices
92	Cost of goods	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfMerchandiseSold
93	Selling, general and administrative expenses	Concept (Monetary)	For Period	Debit	ifrs-full:SellingGeneralAndAdministrativeExpense
94	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationAndAmortisationExpense
95	Operating share of the profit of associates	Concept (Monetary)	For Period	Credit	mbt:ShareOfOperatingProfitLossOfAssociatesAccountedForUsingEquityMethod
96	Impairment of non-current assets	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
97	Impairment of financial assets	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossOnFinancialAssets
98	Other income	Concept (Monetary)	For Period	Credit	ifrs-full:OtherOperatingIncomeExpense
99	Operating profit	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
100	Finance income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
101	Finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
102	Currency exchange loss / (gain)	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
103	Non-operating share of the loss of associates	Concept (Monetary)	For Period	Credit	mbt:ShareOfNonOperatingProfitLossOfAssociatesAccountedForUsingEquityMethod
104	Change in fair value of financial instruments	Concept (Monetary)	For Period	Credit	mbt:GainLossOnChangeInFairValueOfFinancialInstruments
105	Other expenses	Concept (Monetary)	For Period	Credit	mbt:IfrsNonoperatingIncomeExpense
106	Profit before tax	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
107	Income tax expense	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
108	Profit for the year from continuing operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromContinuingOperations
109	Loss / (gain) from discontinued operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromDiscontinuedOperations
110	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
111	Profit / (loss) for the year attributable to:	Abstract			ifrs-full:ProfitLossAttributableToAbstract
112	Owners of the Company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
113	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
114	Earnings per share from continuing operations (basic), Russian Rubles:	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShareFromContinuingOperations
115	Earnings per share from continuing operations (diluted), Russian Rubles:	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShareFromContinuingOperations
116	Earnings per share from discontinued operations (basic), Russian Rubles:	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShareFromDiscontinuedOperations
117	Earnings per share from discontinued operations (diluted), Russian Rubles:	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShareFromDiscontinuedOperations
118	00300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME	Network	*	*	http://www.mtsgsm.com/role/StatementConsolidatedStatementsOfComprehensiveIncome
119	Implied Table	Table	*	*	implied:Table
120	CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME	Abstract			ifrs-full:StatementOfComprehensiveIncomeAbstract
121	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
122	Other comprehensive income	Abstract			ifrs-full:OtherComprehensiveIncomeAbstract
123	Items that will not be reclassified subsequently to profit or loss:	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
124	Unrecognized actuarial gain / (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
125	Items that may be reclassified subsequently to profit or loss:	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
126	Exchange differences on translating foreign operations	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
127	Net fair value (loss) / gain on financial instruments	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax
128	Share of other comprehensive income / (loss) of associates	Abstract			ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodNetOfTaxAbstract
129	Items that may be reclassified subsequently to profit or loss:	Abstract			mbt:ComponentsOfOtherComprehensiveIncomeOfAssociatesThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
130	Exchange differences on translating foreign operations in associates	Concept (Monetary)	For Period	Credit	mbt:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslationAssociates
131	Other comprehensive income / (loss) for the year, net of income tax	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
132	Total comprehensive income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
133	Total comprehensive income / (loss) for the year attributable to:	Abstract			ifrs-full:ComprehensiveIncomeAttributableToAbstract
134	Owners of the Company	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
135	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
136	00400 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY	Network	*	*	http://www.mtsgsm.com/role/StatementConsolidatedStatementsOfChangesInShareholdersEquity
137	Statement of changes in equity [table]	Table	*	*	ifrs-full:StatementOfChangesInEquityTable
138	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
139	Equity [member]	Member			ifrs-full:EquityMember
140	Common stock	Member			ifrs-full:IssuedCapitalMember
141	Treasury stock	Member			ifrs-full:TreasurySharesMember
142	Additional paid-in capital	Member			ifrs-full:AdditionalPaidinCapitalMember
143	Cash flow hedging reserve	Member			ifrs-full:ReserveOfCashFlowHedgesMember
144	Foreign currency translation reserve	Member			ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
145	Remeasurements of the net defined benefit liability	Member			ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember
146	Retained earnings	Member			ifrs-full:RetainedEarningsMember
147	Equity attributable to equity holders	Member			ifrs-full:EquityAttributableToOwnersOfParentMember
148	Non-controlling interests	Member			ifrs-full:NoncontrollingInterestsMember
149	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
150	Currently stated [member]	Member			ifrs-full:RestatedMember
151	Increase (decrease) due to changes in accounting policy required by IFRSs	Member			ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
152	IFRS 15 adjustments	Member			ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
153	Adjustment on initial application of IFRS 9	Member			mbt:IncreaseDecreaseDueToApplicationOfIfrs9Member
154	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
155	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
156	MTS Bank	Member			mbt:MTSBankMember
157	Disposal Groups Classification [Axis]	Axis			mbt:DisposalGroupsClassificationAxis
158	Disposal Groups Classification [Domain]	Member			mbt:DisposalGroupsClassificationDomain
159	East-West United Bank	Member			mbt:EastWestUnitedBankMember
160	Changes in shareholders' equity	LineItems			ifrs-full:StatementOfChangesInEquityLineItems
161	Balance at beginning of the year	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
162	Balance at beginning of the year (in shares)	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
163	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
164	Unrecognized actuarial gain / (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
165	Currency translation adjustment, net of income tax	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax
166	Change in fair value of derivatives, net of income tax	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax
167	Other comprehensive (loss) / income for the year, net of income tax	Concept (Monetary)	For Period	Credit	mbt:OtherComprehensiveIncomeExcludingDeconsolidatedEntities
168	Disposal of East-West United Bank by MTS Bank, the Group's associate (Note 7)	Concept (Monetary)	As Of	Credit	ifrs-full:ReserveOfExchangeDifferencesOnTranslation
169	Total comprehensive (loss) / income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
170	Total comprehensive (loss) / income for the year	Concept (Monetary)	For Period	Credit	mbt:ComprehensiveIncomeExcludingDeconsolidatedEntities
171	Issuance of stock options	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
172	Exercise of stock options	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
173	Exercise of stock options (in shares)	Concept (Shares)	For Period		mbt:ExerciseOfStockOptionsShares
174	Dividends declared by MTS	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsPaid
175	Dividends to non-controlling interest	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsRecognisedAsDistributionsToNoncontrollingInterests
176	Unclaimed dividends	Concept (Monetary)	For Period	Credit	mbt:UnclaimedDividends
177	Sale of own stock	Concept (Monetary)	For Period	Credit	ifrs-full:SaleOrIssueOfTreasuryShares
178	Sale of own stock (in shares)	Concept (Shares)	For Period		mbt:IfrsSaleOrIssueOfTreasurySharesNumberOfShares
179	Purchase of own stock	Concept (Monetary)	For Period	Debit	ifrs-full:PurchaseOfTreasuryShares
180	Purchase of own stock (in shares)	Concept (Shares)	For Period		mbt:IfrsTreasuryStockSharesAcquired
181	Purchase of NCI	Concept (Monetary)	For Period	Debit	mbt:IfrsMinorityInterestDecreaseFromRedemptionsOrPurchaseOfInterests
182	Changes in ownership interest with no gain/loss of control - MGTS and NIS	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl
183	Changes in ownership interest with no gain/loss of control - MTS Bank additional share issuance	Concept (Monetary)	For Period	Credit	mbt:IncreaseDecreaseThroughChangesInOwnershipInterestsInAssociatesThatDoNotResultInLossOfControl
184	Redemption of treasury shares (Note23)	Concept (Monetary)	For Period	Credit	ifrs-full:CancellationOfTreasuryShares
185	Redemption of treasury shares (Note 23) (in shares)	Concept (Shares)	For Period		mbt:IfrsCancellationOfTreasurySharesInShares
186	Disposal of UMS, the Group's subsidiary in Uzbekistan (Note 27)	Concept (Monetary)	For Period	Debit	mbt:IfrsNoncontrollingInterestDecreaseFromDeconsolidation
187	Acquisitions under common control	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
188	Reclassification of retained earnings	Concept (Monetary)	For Period	Credit	mbt:IfrsIncreaseDecreaseAdditionalPaidInCapitalReclassificationOfRetainedEarnings
189	Balance at end of the year	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
190	Balance at end of the year (in shares)	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
191	00500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS	Network	*	*	http://www.mtsgsm.com/role/StatementConsolidatedStatementsOfCashFlows
192	Statement [Table]	Table	*	*	us-gaap:StatementTable
193	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
194	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
195	Avantage	Member			mbt:AvantageMember
196	IFRS Statement [Line Items]	LineItems			mbt:IfrsStatementLineItems
197	CASH FLOWS FROM OPERATING ACTIVITIES:	Abstract			ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
198	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
199	Adjustments for:	Abstract			ifrs-full:AdjustmentsForReconcileProfitLossAbstract
200	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
201	Impairment of non-current assets	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
202	Impairment of financial assets	Concept (Monetary)	For Period	Debit	mbt:FinancialAssetImpairment
203	Non-cash loss from sale of subsidiary in Uzbekistan	Concept (Monetary)	For Period	Credit	ifrs-full:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates
204	Provision related to SEC investigation (Note 34)	Concept (Monetary)	For Period	Debit	mbt:AdjustmentsForProvisionForFinesAndPenaltiesRelatedToSecInvestigationIntoDiscontinuedOperations
205	Finance income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
206	Finance costs	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForFinanceCosts
207	Income tax expense	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncomeTaxExpense
208	Currency exchange loss/(gain)	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
209	Amortization of deferred connection fees	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInDeferredIncome
210	Share of profit of associates	Concept (Monetary)	For Period	Credit	ifrs-full:AdjustmentsForUndistributedProfitsOfAssociates
211	Change in fair value of financial instruments	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForFairValueGainsLosses
212	Inventory obsolescence expense	Concept (Monetary)	For Period		ifrs-full:InventoryWritedown2011
213	Change in provisions	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForProvisions
214	Other non-cash items	Concept (Monetary)	For Period	Debit	ifrs-full:OtherAdjustmentsForNoncashItems
215	Movements in operating assets and liabilities:	Abstract			mbt:IfrsIncreaseDecreaseInOperatingCapitalAbstract
216	Decrease/(Increase) in trade and other receivables	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables
217	Increase in bank loans to customers and interbank loans	Concept (Monetary)	For Period	Debit	mbt:AdjustmentsForDecreaseIncreaseInBankLoansToCustomersAndInterbankLoansDueFromBanks
218	(Increase) / Decrease in inventory	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
219	Decrease / (Increase) in advances paid and prepaid expenses	Concept (Monetary)	For Period	Debit	mbt:AdjustmentsForDecreaseIncreaseInAdvancesAndPrepaidExpenses
220	Decrease/ (Increase) in VAT receivable	Concept (Monetary)	For Period	Debit	mbt:AdjustmentsForDecreaseIncreaseInValueAddedTaxReceivable
221	Decrease in trade and other payables and other current liabilities	Concept (Monetary)	For Period	Credit	mbt:AdjustmentsForIncreaseDecreaseInTradeAndOtherAccountPayableAndOtherCurrentLiabilities
222	Increase in bank deposits and liabilities	Concept (Monetary)	For Period	Credit	mbt:AdjustmentsForDecreaseIncreaseInBankDepositsAndLiabilities
223	Dividends received	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsReceivedClassifiedAsOperatingActivities
224	Income tax paid	Concept (Monetary)	For Period	Credit	ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
225	Interest received	Concept (Monetary)	For Period	Debit	ifrs-full:InterestReceivedClassifiedAsOperatingActivities
226	Interest paid, net of interest capitalized	Concept (Monetary)	For Period	Credit	ifrs-full:InterestPaidClassifiedAsOperatingActivities
227	NET CASH PROVIDED BY OPERATING ACTIVITIES	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperatingActivities
228	CASH FLOWS FROM INVESTING ACTIVITIES:	Abstract			ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
229	Purchase of subsidiaries, net of cash acquired (Note 5)	Concept (Monetary)	For Period	Credit	ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
230	Purchases of property, plant and equipment (including capitalized interest in the amount of RUB 460 million, RUB 307 million and RUB 388 million, respectively)	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
231	Purchases of other intangible assets	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
232	Purchase of 3G and 4G licenses in Ukraine and Russia	Concept (Monetary)	For Period	Credit	mbt:PurchaseOf3g4gLicenses
233	Cost to obtain and fulfill contracts, paid	Concept (Monetary)	For Period	Credit	mbt:PaymentOfCostsToObtainOrFulfilContractsWithCustomers
234	Proceeds from sale of property, plant and equipment and assets held for sale	Concept (Monetary)	For Period	Debit	mbt:ProceedsFromSalesOfPropertyPlantAndEquipmentAndAssetsHeldForSaleClassifiedasinvestingactivities
235	Purchases of short-term and other investments	Concept (Monetary)	For Period	Credit	ifrs-full:OutflowsOfCashFromInvestingActivities
236	Proceeds from sale of short-term and other investments	Concept (Monetary)	For Period	Debit	ifrs-full:InflowsOfCashFromInvestingActivities
237	Investments in associates (Note 16)	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfInterestsInAssociates
238	Cash proceeds related to swap contracts	Concept (Monetary)	For Period	Debit	mbt:CashPaymentsOrReceiptsForFuturesContractsForwardContractsOptionContractsAndSwapContractsClassifiedAsInvestingActivities
239	Proceeds from sale of subsidiary	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
240	Disposal of discontinued operation, net of cash disposed	Concept (Monetary)	For Period	Credit	mbt:DisposalOfDiscontinuedOperationNetOfCashDisposed
241	NET CASH USED IN INVESTING ACTIVITIES	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivities
242	CASH FLOWS FROM FINANCING ACTIVITIES:	Abstract			ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
243	Repayment of notes	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
244	Proceeds from issuance of notes	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
245	Notes and debt issuance cost paid	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsForDebtIssueCosts
246	Lease obligation principal paid	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities
247	Dividends paid	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidClassifiedAsFinancingActivities
248	Acquisition of entities under common control, net of cash acquired	Concept (Monetary)	For Period	Debit	mbt:CashFlowsFromTransactionsWithEntitiesUnderCommonControl
249	Proceeds from loans	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromNoncurrentBorrowings
250	Repayment of loans	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfNoncurrentBorrowings
251	Payments under credit guarantee agreement related to foreign-currency hedge (Note 30)	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughForeignExchangeAndOtherMovementsExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
252	Repurchase of common stock	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsToAcquireOrRedeemEntitysShares
253	Other financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities
254	NET CASH USED IN FINANCING ACTIVITIES	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivities
255	Effect of exchange rate changes on cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
256	NET INCREASE / (DECREASE) IN CASH AND CASH EQUIVALENTS	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
257	CASH AND CASH EQUIVALENTS, beginning of the year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
258	CASH AND CASH EQUIVALENTS, end of the year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
259	00505 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)	Network	*	*	http://www.mtsgsm.com/role/StatementConsolidatedStatementsOfCashFlowsParenthetical
260	Implied Table	Table	*	*	implied:Table
261	CONSOLIDATED STATEMENTS OF CASH FLOWS	Abstract			ifrs-full:StatementOfCashFlowsAbstract
262	CASH FLOWS FROM INVESTING ACTIVITIES:	Abstract			ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
263	Interest paid, capitalized	Concept (Monetary)	For Period	Credit	mbt:IfrsInterestPaidCapitalizedOnPurchasedPropertyPlantAndEquipment
264	10101 - Disclosure - GENERAL INFORMATION AND DESCRIPTION OF BUSINESS	Network	*	*	http://www.mtsgsm.com/role/DisclosureGeneralInformationAndDescriptionOfBusiness
265	Implied Table	Table	*	*	implied:Table
266	GENERAL INFORMATION AND DESCRIPTION OF BUSINESS	Abstract			mbt:DisclosureOfGeneralInformationAboutFinancialStatementsAbstract
267	GENERAL INFORMATION AND DESCRIPTION OF BUSINESS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
268	10201 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NEW ACCOUNTING PRONOUNCEMENTS	Network	*	*	http://www.mtsgsm.com/role/DisclosureSummaryOfSignificantAccountingPoliciesAndNewAccountingPronouncements
269	Implied Table	Table	*	*	implied:Table
270	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NEW ACCOUNTING PRONOUNCEMENTS	Abstract			mbt:DisclosureOfSignificantAccountingPoliciesAndNewAccountingPronouncementsAbstract
271	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NEW ACCOUNTING PRONOUNCEMENTS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
272	10301 - Disclosure - EFFECT FROM IFRS 15 IMPLEMENTATION	Network	*	*	http://www.mtsgsm.com/role/DisclosureEffectFromIfrs15Implementation
273	Implied Table	Table	*	*	implied:Table
274	EFFECT FROM IFRS 15 IMPLEMENTATION	Abstract			ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract
275	EFFECT FROM IFRS 15 IMPLEMENTATION	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfInitialApplicationOfStandardsOrInterpretations
276	10401 - Disclosure - SIGNIFICANT ACCOUNTING JUDGMENTS, ESTIMATES AND ASSUMPTIONS	Network	*	*	http://www.mtsgsm.com/role/DisclosureSignificantAccountingJudgmentsEstimatesAndAssumptions
277	Implied Table	Table	*	*	implied:Table
278	SIGNIFICANT ACCOUNTING JUDGMENTS, ESTIMATES AND ASSUMPTIONS	Abstract			mbt:DisclosureOfSignificantAccountingJudgmentsEstimatesAndAssumptionsAbstract
279	SIGNIFICANT ACCOUNTING JUDGMENTS, ESTIMATES AND ASSUMPTIONS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
280	10501 - Disclosure - BUSINESS ACQUISITIONS AND DISPOSALS	Network	*	*	http://www.mtsgsm.com/role/DisclosureBusinessAcquisitionsAndDisposals
281	Implied Table	Table	*	*	implied:Table
282	BUSINESS ACQUISITIONS AND DISPOSALS	Abstract			ifrs-full:DisclosureOfBusinessCombinationsAbstract
283	BUSINESS ACQUISITIONS AND DISPOSALS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfBusinessCombinationsExplanatory
284	10601 - Disclosure - SEGMENT INFORMATION	Network	*	*	http://www.mtsgsm.com/role/DisclosureSegmentInformation
285	Implied Table	Table	*	*	implied:Table
286	SEGMENT INFORMATION	Abstract			ifrs-full:DisclosureOfOperatingSegmentsAbstract
287	SEGMENT INFORMATION	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
288	10701 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS	Network	*	*	http://www.mtsgsm.com/role/DisclosureRevenueFromContractsWithCustomers
289	Implied Table	Table	*	*	implied:Table
290	REVENUE FROM CONTRACTS WITH CUSTOMERS	Abstract			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract
291	REVENUE FROM CONTRACTS WITH CUSTOMERS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRevenueFromContractsWithCustomersExplanatory
292	10801 - Disclosure - SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	Network	*	*	http://www.mtsgsm.com/role/DisclosureSellingGeneralAndAdministrativeExpenses
293	Implied Table	Table	*	*	implied:Table
294	SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	Abstract			ifrs-full:SellingGeneralAndAdministrativeExpenseAbstract
295	SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfSellingGeneralAndAdministrativeExpensesTextBlock
296	10901 - Disclosure - FINANCE INCOME AND COSTS	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinanceIncomeAndCosts
297	Implied Table	Table	*	*	implied:Table
298	FINANCE INCOME AND COSTS	Abstract			mbt:FinanceIncomeAndCostsAbstract
299	FINANCE INCOME AND COSTS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
300	11001 - Disclosure - OPERATIONS IN UZBEKISTAN	Network	*	*	http://www.mtsgsm.com/role/DisclosureOperationsInUzbekistan
301	Implied Table	Table	*	*	implied:Table
302	OPERATIONS IN UZBEKISTAN	Abstract			mbt:OperationsInUzbekistanAbstract
303	OPERATIONS IN UZBEKISTAN	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfOperationsInUzbekistanExplanatoryTextBlock
304	11101 - Disclosure - OPERATIONS IN TURKMENISTAN	Network	*	*	http://www.mtsgsm.com/role/DisclosureOperationsInTurkmenistan
305	Implied Table	Table	*	*	implied:Table
306	OPERATIONS IN TURKMENISTAN	Abstract			mbt:OperationsInTurkmenistanAbstract
307	OPERATIONS IN TURKMENISTAN	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfOperationsInTurkmenistanTextBlock
308	11201 - Disclosure - INCOME TAX	Network	*	*	http://www.mtsgsm.com/role/DisclosureIncomeTax
309	Implied Table	Table	*	*	implied:Table
310	INCOME TAX	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
311	INCOME TAX	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfIncomeTaxExplanatory
312	11301 - Disclosure - EARNINGS PER SHARE	Network	*	*	http://www.mtsgsm.com/role/DisclosureEarningsPerShare
313	Implied Table	Table	*	*	implied:Table
314	EARNINGS PER SHARE	Abstract			ifrs-full:EarningsPerShareAbstract
315	EARNINGS PER SHARE	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEarningsPerShareExplanatory
316	11401 - Disclosure - CASH AND CASH EQUIVALENTS	Network	*	*	http://www.mtsgsm.com/role/DisclosureCashAndCashEquivalents
317	Implied Table	Table	*	*	implied:Table
318	CASH AND CASH EQUIVALENTS	Abstract			ifrs-full:CashAndCashEquivalentsAbstract
319	CASH AND CASH EQUIVALENTS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
320	11501 - Disclosure - SHORT-TERM INVESTMENTS	Network	*	*	http://www.mtsgsm.com/role/DisclosureShortTermInvestments
321	Implied Table	Table	*	*	implied:Table
322	SHORT-TERM INVESTMENTS	Abstract			mbt:CurrentInvestmentsAbstract
323	SHORT-TERM INVESTMENTS	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfCurrentInvestmentsTextBlock
324	11601 - Disclosure - INVESTMENTS IN ASSOCIATES AND JOINT VENTURES	Network	*	*	http://www.mtsgsm.com/role/DisclosureInvestmentsInAssociatesAndJointVentures
325	Implied Table	Table	*	*	implied:Table
326	INVESTMENTS IN ASSOCIATES AND JOINT VENTURES	Abstract			mbt:SignificantInvestmentsInAssociatesAndJointVenturesAbstract
327	INVESTMENTS IN ASSOCIATES AND JOINT VENTURES	Concept (Text Block (HTML))	For Period		mbt:InvestmentsInAssociatesAndJointVenturesTextBlock
328	11701 - Disclosure - OTHER INVESTMENTS	Network	*	*	http://www.mtsgsm.com/role/DisclosureOtherInvestments
329	Implied Table	Table	*	*	implied:Table
330	OTHER INVESTMENTS	Abstract			mbt:OtherNonCurrentInvestmentsAbstract
331	OTHER INVESTMENTS	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfOtherNonCurrentInvestmentsTextBlock
332	11801 - Disclosure - TRADE AND OTHER RECEIVABLES	Network	*	*	http://www.mtsgsm.com/role/DisclosureTradeAndOtherReceivables
333	Implied Table	Table	*	*	implied:Table
334	TRADE AND OTHER RECEIVABLES	Abstract			ifrs-full:TradeAndOtherCurrentReceivablesAbstract
335	TRADE AND OTHER RECEIVABLES	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
336	11901 - Disclosure - INVENTORIES	Network	*	*	http://www.mtsgsm.com/role/DisclosureInventories
337	Implied Table	Table	*	*	implied:Table
338	INVENTORIES	Abstract			ifrs-full:ClassesOfInventoriesAbstract
339	INVENTORIES	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInventoriesExplanatory
340	12001 - Disclosure - PROPERTY, PLANT AND EQUIPMENT	Network	*	*	http://www.mtsgsm.com/role/DisclosurePropertyPlantAndEquipment
341	Implied Table	Table	*	*	implied:Table
342	PROPERTY, PLANT AND EQUIPMENT	Abstract			ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
343	PROPERTY, PLANT AND EQUIPMENT	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
344	12101 - Disclosure - GOODWILL	Network	*	*	http://www.mtsgsm.com/role/DisclosureGoodwill
345	Implied Table	Table	*	*	implied:Table
346	GOODWILL	Abstract			ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillAbstract
347	GOODWILL	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGoodwillExplanatory
348	12201 - Disclosure - IMPAIRMENT REVIEW	Network	*	*	http://www.mtsgsm.com/role/DisclosureImpairmentReview
349	Implied Table	Table	*	*	implied:Table
350	IMPAIRMENT REVIEW	Abstract			ifrs-full:DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitAbstract
351	IMPAIRMENT REVIEW	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory
352	12301 - Disclosure - OTHER INTANGIBLE ASSETS	Network	*	*	http://www.mtsgsm.com/role/DisclosureOtherIntangibleAssets
353	Implied Table	Table	*	*	implied:Table
354	OTHER INTANGIBLE ASSETS	Abstract			ifrs-full:DisclosureOfIntangibleAssetsAbstract
355	OTHER INTANGIBLE ASSETS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory
356	12401 - Disclosure - BORROWINGS	Network	*	*	http://www.mtsgsm.com/role/DisclosureBorrowings
357	Implied Table	Table	*	*	implied:Table
358	BORROWINGS	Abstract			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
359	BORROWINGS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfBorrowingsExplanatory
360	12501 - Disclosure - RIGHTS-OF-USE ASSETS AND LEASE OBLIGATIONS	Network	*	*	http://www.mtsgsm.com/role/DisclosureRightsOfUseAssetsAndLeaseObligations
361	Implied Table	Table	*	*	implied:Table
362	RIGHTS-OF-USE ASSETS AND LEASE OBLIGATIONS	Abstract			ifrs-full:PresentationOfLeasesForLesseeAbstract
363	RIGHTS-OF-USE ASSETS AND LEASE OBLIGATIONS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfLeasesExplanatory
364	12601 - Disclosure - RECONCILIATION OF LIABILITIES ARISING FROM FINANCIAL ACTIVITIES	Network	*	*	http://www.mtsgsm.com/role/DisclosureReconciliationOfLiabilitiesArisingFromFinancialActivities
365	Implied Table	Table	*	*	implied:Table
366	RECONCILIATION OF LIABILITIES ARISING FROM FINANCIAL ACTIVITIES	Abstract			ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract
367	RECONCILIATION OF LIABILITIES ARISING FROM FINANCIAL ACTIVITIES	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInformationThatEnablesUsersOfFinancialStatementsToEvaluateChangesInLiabilitiesArisingFromFinancingActivitiesExplanatory
368	12701 - Disclosure - PROVISIONS	Network	*	*	http://www.mtsgsm.com/role/DisclosureProvisions
369	Implied Table	Table	*	*	implied:Table
370	PROVISIONS	Abstract			ifrs-full:DisclosureOfOtherProvisionsAbstract
371	PROVISIONS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherProvisionsExplanatory
372	12801 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS	Network	*	*	http://www.mtsgsm.com/role/DisclosureFairValueOfFinancialInstruments
373	Implied Table	Table	*	*	implied:Table
374	FAIR VALUE OF FINANCIAL INSTRUMENTS	Abstract			ifrs-full:DisclosureOfFinancialInstrumentsAbstract
375	FAIR VALUE OF FINANCIAL ASSETS AND LIABILITIES	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
376	12901 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilities
377	Implied Table	Table	*	*	implied:Table
378	BANK FINANCIAL ASSETS AND LIABILITIES	Abstract			mbt:BankFinancialAssetsAndLiabilitiesAbstract
379	BANK FINANCIAL ASSETS AND LIABILITIES	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfBankFinancialAssetsAndLiabilitiesExplanatory
380	13001 - Disclosure - FINANCIAL RISK MANAGEMENT	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinancialRiskManagement
381	Implied Table	Table	*	*	implied:Table
382	FINANCIAL RISK MANAGEMENT	Abstract			mbt:DisclosureOfFinancialRiskManagementStrategyAbstract
383	FINANCIAL RISK MANAGEMENT	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
384	13101 - Disclosure - RELATED PARTIES	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedParties
385	Implied Table	Table	*	*	implied:Table
386	RELATED PARTIES	Abstract			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
387	RELATED PARTIES	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfRelatedPartyExplanatory
388	13201 - Disclosure - SHAREHOLDERS' EQUITY	Network	*	*	http://www.mtsgsm.com/role/DisclosureShareholdersEquity
389	Implied Table	Table	*	*	implied:Table
390	SHAREHOLDERS' EQUITY	Abstract			mbt:StockholdersEquityAbstract.
391	SHAREHOLDERS' EQUITY	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
392	13301 - Disclosure - LIABILITY UNDER PUT OPTION AGREEMENT	Network	*	*	http://www.mtsgsm.com/role/DisclosureLiabilityUnderPutOptionAgreement
393	Implied Table	Table	*	*	implied:Table
394	LIABILITY UNDER PUT OPTION AGREEMENT	Abstract			mbt:LiabilityUnderPutOptionAgreementsAbstract
395	LIABILITY UNDER PUT OPTION AGREEMENT	Concept (Text Block (HTML))	For Period		mbt:LiabilityUnderPutOptionAgreementsExplanatory
396	13401 - Disclosure - COMMITMENTS AND CONTINGENCIES	Network	*	*	http://www.mtsgsm.com/role/DisclosureCommitmentsAndContingencies
397	Implied Table	Table	*	*	implied:Table
398	COMMITMENTS AND CONTINGENCIES	Abstract			mbt:CommitmentsAndContingenciesAbstract
399	COMMITMENTS AND CONTINGENCIES	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory
400	13501 - Disclosure - SUBSEQUENT EVENTS	Network	*	*	http://www.mtsgsm.com/role/DisclosureSubsequentEvents
401	Implied Table	Table	*	*	implied:Table
402	SUBSEQUENT EVENTS	Abstract			ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract
403	SUBSEQUENT EVENTS	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
404	20202 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NEW ACCOUNTING PRONOUNCEMENTS (Policies)	Network	*	*	http://www.mtsgsm.com/role/DisclosureSummaryOfSignificantAccountingPoliciesAndNewAccountingPronouncementsPolicies
405	Implied Table	Table	*	*	implied:Table
406	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NEW ACCOUNTING PRONOUNCEMENTS	Abstract			mbt:DisclosureOfSignificantAccountingPoliciesAndNewAccountingPronouncementsAbstract
407	Basis of preparation	Concept (Text Block (HTML))	For Period		mbt:IfrsDescriptionOfAccountingPolicyForBasisOfPreparationExplanatoryPolicyTextBlock
408	Basis of consolidation	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock
409	Acquisitions from entities under common control	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfAccountingPolicyForAcquisitionsFromEntitiesUnderCommonControlExplanatoryPolicyTextBlock
410	Joint operations	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfAccountingPolicyForJointOperationsPolicyTextBlock
411	Functional currency translation methodology	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
412	Standards, interpretations and amendments adopted	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfAccountingPolicyForStandardsInterpretationsAndAmendmentsAdoptedPolicyTextBlock
413	Revenue recognition	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
414	Contract balances	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfAccountingPolicyForContractBalancesTextBlock
415	Cost to obtain and fulfill a contract	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForCustomerAcquisitionCostsExplanatory
416	Income tax	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
417	Cash and cash equivalents	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
418	Short-term investments	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfAccountingPolicyForShortTermInvestmentsExplanatoryPolicyTextBlock
419	Investments in associates and joint ventures	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory
420	Other investments	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfAccountingPolicyForOtherInvestmentsExplanatoryPolicyTextBlock
421	Trade and other receivables	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory
422	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
423	Property, plant and equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
424	Goodwill	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory
425	Other intangible assets	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory
426	Borrowings	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory
427	Rights-of-use assets and lease obligations	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
428	Leases accounted for under IAS 17	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfAccountingPolicyForFinanceLeasesUnderIS17PolicyTextBlock
429	Provisions	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
430	Provision for decommissioning and restoration	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForDecommissioningRestorationAndRehabilitationProvisionsExplanatory
431	Retirement benefits	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
432	Hedging activities	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForHedgingExplanatory
433	Liability under put option agreement	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfAccountingPolicyForLiabilityForPutOptionAgreementExplanatoryPolicyTextBlock
434	Netting	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfAccountingPolicyForNettingExplanatoryPolicyTextBlock
435	Fair value of financial instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory
436	30203 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NEW ACCOUNTING PRONOUNCEMENTS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureSummaryOfSignificantAccountingPoliciesAndNewAccountingPronouncementsTables
437	Implied Table	Table	*	*	implied:Table
438	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NEW ACCOUNTING PRONOUNCEMENTS	Abstract			mbt:DisclosureOfSignificantAccountingPoliciesAndNewAccountingPronouncementsAbstract
439	Summary of ownership interests in significant subsidiaries	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInterestsInOtherEntitiesExplanatory
440	Schedule of classification of financial assets in accordance with IFRS 9 and IAS 39	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialAssetsAtDateOfInitialApplicationOfIFRS9Explanatory
441	Summary of reconciliation between operating lease commitments discounted at the weighted average rate and lease liability recognized	Concept (Text Block (HTML))	For Period		ifrs-full:ExplanationOfDifferenceBetweenOperatingLeaseCommitmentsDisclosedApplyingIAS17AndLeaseLiabilitiesRecognisedAtDateOfInitialApplicationOfIFRS16Explanatory
442	Schedule of not applied new and revised IFRSs that have been issued but not yet effective	Concept (Text Block (HTML))	For Period		mbt:ScheduleNewAndRevisedIfrsIssuedNotEffectiveTableTextBlock
443	30303 - Disclosure - EFFECT FROM IFRS 15 IMPLEMENTATION (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureEffectFromIfrs15ImplementationTables
444	Implied Table	Table	*	*	implied:Table
445	EFFECT FROM IFRS 15 IMPLEMENTATION	Abstract			ifrs-full:DisclosureOfInitialApplicationOfStandardsOrInterpretationsAbstract
446	Statement of financial position after adoption of new standards	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfInitialApplicationOfStandardsOrInterpretationsStatementOfFinancialPositionTableTextBlock
447	Statement of profit or loss after adoption of new standards	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfInitialApplicationOfStandardsOrInterpretationsStatementOfProfitOrLossTableTextBlock
448	Statement of cash flows after adoption of new standards	Concept (Text Block (HTML))	For Period		mbt:DescriptionOfInitialApplicationOfStandardsOrInterpretationsStatementOfCashFlowsTableTextBlock
449	30503 - Disclosure - BUSINESS ACQUISITIONS AND DISPOSALS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBusinessAcquisitionsAndDisposalsTables
450	Disclosure of detailed information about business combination [table]	Table	*	*	ifrs-full:DisclosureOfBusinessCombinationsTable
451	Business combinations [axis]	Axis			ifrs-full:BusinessCombinationsAxis
452	Entity's total for business combinations [member]	Member			ifrs-full:EntitysTotalForBusinessCombinationsMember
453	Companies acquired in 2018	Member			mbt:BusinessCombinationCompaniesAcquiredCurrentPeriodMember
454	Companies acquired in 2017	Member			mbt:BusinessCombinationCompaniesAcquiredPriorPeriodMember
455	Companies acquired in 2016	Member			mbt:BusinessCombinationCompaniesAcquiredTwoYearsPriorMember
456	BUSINESS ACQUISITIONS AND DISPOSALS	LineItems			ifrs-full:DisclosureOfBusinessCombinationsLineItems
457	Schedule of purchase price allocation	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory
458	Schedule of liabilities and indemnification assets in respect to deferred payments	Concept (Text Block (HTML))	For Period		mbt:ScheduleOfLiabilitiesAndIndemnificationAssetsForDeferredPaymentsTableTextBlock
459	Schedule of details of acquisitions of subsidiaries	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfDetailsOfAcquisitionsOfSubsidiariesUnderCommonControlTableTextBlock
460	Schedule of business acquisitions proforma financial data	Concept (Text Block (HTML))	For Period		mbt:IfrsBusinessAcquisitionProFormaInformationTextBlock
461	30603 - Disclosure - SEGMENT INFORMATION (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureSegmentInformationTables
462	Implied Table	Table	*	*	implied:Table
463	SEGMENT INFORMATION	Abstract			ifrs-full:DisclosureOfOperatingSegmentsAbstract
464	Schedule of financial information by reportable segments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOperatingSegmentsExplanatory
465	Schedule of financial information by geographic areas	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGeographicalAreasExplanatory
466	Schedule of disaggregation of revenue	Concept (Text Block (HTML))	For Period		mbt:ScheduleOfSegmentReportingInformationBySegmentTableTextBlock
467	30703 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRevenueFromContractsWithCustomersTables
468	Implied Table	Table	*	*	implied:Table
469	REVENUE FROM CONTRACTS WITH CUSTOMERS	Abstract			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract
470	Schedule of disaggregation of revenue	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory
471	Schedule of receivables, contract assets and contract liabilities from contracts with customer	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfReceivablesContractAssetsAndContractLiabilitiesFromContractsWithCustomerTableTextBlock
472	Schedule of changes in the contract assets and the contract liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory
473	Schedule of revenue related to performance obligations that are unsatisfied	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTransactionPriceAllocatedToRemainingPerformanceObligationsExplanatory
474	Schedule of capitalized cost to obtain and fulfill contracts	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersExplanatory
475	30803 - Disclosure - SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureSellingGeneralAndAdministrativeExpensesTables
476	Implied Table	Table	*	*	implied:Table
477	SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	Abstract			ifrs-full:SellingGeneralAndAdministrativeExpenseAbstract
478	Schedule of selling, general and administrative expenses	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfSellingGeneralAndAdministrativeExpensesTableTextBlock
479	30903 - Disclosure - FINANCE INCOME AND COSTS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinanceIncomeAndCostsTables
480	Implied Table	Table	*	*	implied:Table
481	FINANCE INCOME AND COSTS	Abstract			mbt:FinanceIncomeAndCostsAbstract
482	Schedule of finance income and costs	Concept (Text Block (HTML))	For Period		mbt:FinanceIncomeAndCostsTableTextBlock
483	31003 - Disclosure - OPERATIONS IN UZBEKISTAN (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureOperationsInUzbekistanTables
484	Implied Table	Table	*	*	implied:Table
485	OPERATIONS IN UZBEKISTAN	Abstract			mbt:OperationsInUzbekistanAbstract
486	Schedule of discontinued operations accompanying in the consolidated statements of profit and loss and cash flows	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory
487	Schedule of carrying amounts of UMS's net assets and reconciliation of the loss on disposal	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory
488	31103 - Disclosure - OPERATIONS IN TURKMENISTAN (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureOperationsInTurkmenistanTables
489	Implied Table	Table	*	*	implied:Table
490	OPERATIONS IN TURKMENISTAN	Abstract			mbt:OperationsInTurkmenistanAbstract
491	Schedule of total effect of impairment charges on the Group's statement of profit or loss	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfImpairmentChargesRecognizedInProfitOrLossTableTextBlock
492	31203 - Disclosure - INCOME TAX (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureIncomeTaxTables
493	Implied Table	Table	*	*	implied:Table
494	INCOME TAX	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
495	Schedule of significant components of income tax expense	Concept (Text Block (HTML))	For Period		mbt:Ifrs_scheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
496	Reconciliation of the effective income tax rate to the statutory income tax rate	Concept (Text Block (HTML))	For Period		mbt:Ifrs_scheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
497	Schedule of deferred income tax assets and liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
498	Schedule of movements in deferred tax assets and liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDeferredTaxesExplanatory
499	31303 - Disclosure - EARNINGS PER SHARE (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureEarningsPerShareTables
500	Implied Table	Table	*	*	implied:Table
501	EARNINGS PER SHARE	Abstract			ifrs-full:EarningsPerShareAbstract
502	Schedule of computation of earnings per share	Concept (Text Block (HTML))	For Period		ifrs-full:EarningsPerShareExplanatory
503	31403 - Disclosure - CASH AND CASH EQUIVALENTS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureCashAndCashEquivalentsTables
504	Implied Table	Table	*	*	implied:Table
505	CASH AND CASH EQUIVALENTS	Abstract			ifrs-full:CashAndCashEquivalentsAbstract
506	Schedule of cash and cash equivalents	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsTableTextBlock
507	31503 - Disclosure - SHORT-TERM INVESTMENTS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureShortTermInvestmentsTables
508	Implied Table	Table	*	*	implied:Table
509	SHORT-TERM INVESTMENTS	Abstract			mbt:CurrentInvestmentsAbstract
510	Schedule of short-term investments	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfDetailedInformationAboutCurrentInvestmentsTableTextBlock
511	31603 - Disclosure - INVESTMENTS IN ASSOCIATES AND JOINT VENTURES (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureInvestmentsInAssociatesAndJointVenturesTables
512	Disclosure of Associates and Joint Ventures [Table]	Table	*	*	mbt:DisclosureOfAssociatesAndJointVenturesTable
513	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
514	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
515	MTS Bank	Member			mbt:MTSBankMember
516	MTS Belarus	Member			mbt:MTSBelarusMember
517	Investments in Ozon Holdings Ltd and other individually insignificant associates and joint venture	Member			mbt:InvestmentsInOzonHoldingsLtdAndOtherIndividuallyInsignificantAssociatesAndJointVentureMember
518	Investments in associates and joint ventures	LineItems			mbt:DisclosureOfAssociatesAndJointVenturesLineItems
519	Schedule of investments in associates and joint ventures	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory
520	Schedule of reconciliation of summarized financial information to the carrying amount of the Group's interest in associate	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationOfSummarisedFinancialInformationOfJointVentureAccountedForUsingEquityMethodToCarryingAmountOfInterestInJointVentureExplanatory
521	Schedule of the composition of the Group's share of loss/(income) of associate	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfGroupSShareInProfitLossOfAssociateTableTextBlock
522	Schedule of details of substance of transaction	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfDetailsOfSubstanceOfTransactionTableTextBlock
523	31703 - Disclosure - OTHER INVESTMENTS (Table)	Network	*	*	http://www.mtsgsm.com/role/DisclosureOtherInvestmentsTable
524	Implied Table	Table	*	*	implied:Table
525	OTHER INVESTMENTS	Abstract			mbt:OtherNonCurrentInvestmentsAbstract
526	Schedule of other investments	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfDetailedInformationAboutOtherNonCurrentInvestmentsTableTextBlock
527	31803 - Disclosure - TRADE AND OTHER RECEIVABLES (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureTradeAndOtherReceivablesTables
528	Implied Table	Table	*	*	implied:Table
529	TRADE AND OTHER RECEIVABLES	Abstract			ifrs-full:TradeAndOtherCurrentReceivablesAbstract
530	Schedule of trade and other receivables	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfTradeAndOtherReceivablesTableTextBlock
531	Analysis of the age of trade and other accounts receivables	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfAgeOfTradeAndOtherReceivablesTableTextBlock
532	Analysis of the age of trade and other accounts receivables past due but not impaired	Concept (Text Block (HTML))	For Period		ifrs-full:AnalysisOfAgeOfFinancialAssetsThatArePastDueButNotImpaired
533	Schedule of changes in the allowance for expected credit losses	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfChangesInAllowanceForExpectedCreditLossesTableTextBlock
534	Schedule of changes in the allowance for doubtful accounts receivable	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfChangesInAllowanceForDoubtfulAccountsReceivable
535	31903 - Disclosure - INVENTORIES (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureInventoriesTables
536	Implied Table	Table	*	*	implied:Table
537	INVENTORIES	Abstract			ifrs-full:ClassesOfInventoriesAbstract
538	Schedule of inventory and spare parts	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfInventoryCurrentTableTextBlock
539	Summary of cost of goods	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfCostOfGoodsSoldTableTextBlock
540	32003 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosurePropertyPlantAndEquipmentTables
541	Implied Table	Table	*	*	implied:Table
542	PROPERTY, PLANT AND EQUIPMENT	Abstract			ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
543	Summary of property, plant and equipment expected useful lives	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfPropertyPlantAndEquipmentExpectedUsefulLivesTextBlock
544	Schedule of net book value of property, plant and equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
545	32103 - Disclosure - GOODWILL (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureGoodwillTables
546	Implied Table	Table	*	*	implied:Table
547	GOODWILL	Abstract			ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillAbstract
548	Summary of change in the net carrying amount of goodwill	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory
549	32203 - Disclosure - IMPAIRMENT REVIEW (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureImpairmentReviewTables
550	Implied Table	Table	*	*	implied:Table
551	IMPAIRMENT REVIEW	Abstract			ifrs-full:DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitAbstract
552	Schedule of impairment loss by CGU	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitExplanatory
553	Schedule of OIBDA margin utilized for value-in-use calculation of related CGUs	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfOibdaMarginUtilizedForValueInUseCalculationOfRelatedCgusTableTextBlock
554	Schedule of capital expenditure as a percentage of revenue utilized for value-in-use calculations of related CGUs	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfPercentageOfCapitalExpenditureUtilizedForValueInUseCalculationOfRelatedCgusTableTextBlock
555	Schedule of terminal growth rate utilized for value in-use-calculation of related CGUs	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfTerminalGrowthRateUtilizedForValueInUseCalculationOfRelatedCgusTableTextBlock
556	Schedule of pre-tax rates for discounting cash flows in functional currencies of related CGUs	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfPreTaxRatesForDiscountingOfCashFlowsInFunctionalCurrenciesOfRelatedCgusTableTextBlock
557	32303 - Disclosure - OTHER INTANGIBLE ASSETS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureOtherIntangibleAssetsTables
558	Implied Table	Table	*	*	implied:Table
559	OTHER INTANGIBLE ASSETS	Abstract			ifrs-full:DisclosureOfIntangibleAssetsAbstract
560	Schedule of net book value of other intangible assets	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory
561	32403 - Disclosure - BORROWINGS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBorrowingsTables
562	Implied Table	Table	*	*	implied:Table
563	BORROWINGS	Abstract			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
564	Schedule of the Group's borrowings	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
565	Schedule of the Group's notes	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfGroupNotesTableTextBlock
566	Schedule of dates of the announcement of the sequential coupon for note issuances	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfRepurchaseOfCertainMtsPjscNotesTableTextBlock
567	Schedule of the Group's loans from banks and financial institutions	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfLoansFromBanksAndFinancialInstitutionsTableTextBlock
568	Schedule of total available unused credit facilities	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfAvailableUnusedCreditFacilitiesTableTextBlock
569	Schedule of aggregated scheduled maturities of principal on notes and bank loans	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfAggregatedScheduledMaturitiesOfPrincipalOnNotesAndBankLoansOutstandingTableTextBlock
570	Schedule of capital leases future minimum lease payments and present value of the net minimum lease payments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory
571	32503 - Disclosure - RIGHTS-OF-USE ASSETS AND LEASE OBLIGATIONS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRightsOfUseAssetsAndLeaseObligationsTables
572	Disclosure of quantitative information about right-of-use assets [table]	Table	*	*	ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable
573	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
574	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
575	Property, plant and equipment	Member			ifrs-full:PropertyPlantAndEquipmentMember
576	RIGHTS-OF-USE ASSETS AND LEASE OBLIGATIONS	LineItems			ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems
577	Summary of estimated terms over which right-of-use assets are amortised	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfEstimatedTermsOverWhichRightOfUseAssetsAreAmortized
578	Summary of net book value of rights-of-use assets	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory
579	Schedule of capital leases future minimum lease payments and present value of the net minimum lease payments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory
580	32603 - Disclosure - RECONCILIATION OF LIABILITIES ARISING FROM FINANCIAL ACTIVITIES (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureReconciliationOfLiabilitiesArisingFromFinancialActivitiesTables
581	Implied Table	Table	*	*	implied:Table
582	RECONCILIATION OF LIABILITIES ARISING FROM FINANCIAL ACTIVITIES	Abstract			ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract
583	Schedule of Reconciliation of liabilities arising from financial activities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory
584	32703 - Disclosure - PROVISIONS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureProvisionsTables
585	Implied Table	Table	*	*	implied:Table
586	PROVISIONS	Abstract			ifrs-full:DisclosureOfOtherProvisionsAbstract
587	Schedule of the movement in provisions	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfMovementInProvisionsTableTextBlock
588	32803 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFairValueOfFinancialInstrumentsTables
589	Implied Table	Table	*	*	implied:Table
590	FAIR VALUE OF FINANCIAL INSTRUMENTS	Abstract			ifrs-full:DisclosureOfFinancialInstrumentsAbstract
591	Schedule of financial assets	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialAssetsExplanatory
592	Schedule of financial liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory
593	Schedule of fair value of financial instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory
594	Schedule of significant quantitative inputs used to measure the fair value of the liability under put option agreement	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory
595	Schedule of borrowings, gross of debt issuance costs, where carrying value does not approximate fair value	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfCarryingValueOfFinancialInstrumentsTableTextBlock
596	32903 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesTables
597	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
598	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
599	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
600	Loans to legal entities	Member			mbt:LoansToLegalEntitiesMember
601	Loans to individuals	Member			mbt:LoansToIndividualsMember
602	Medium-sized enterprises and small businesses	Member			mbt:MediumSizedEnterprisesAndSmallBusinessesLoansMember
603	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
604	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
605	Accumulated impairment	Member			ifrs-full:AccumulatedImpairmentMember
606	Financial instruments	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
607	Schedule of the structure and amounts of current and non current bank deposits and loans to customers	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfCurrentAndNonCurrentBankDepositsAndLoansTableTextBlock
608	Schedule of structure and amounts of bank loans to customers	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfLoansAndAdvancesToCustomersExplanatory
609	Schedule of carrying value of loans to customers by types of collateral	Concept (Text Block (HTML))	For Period		mbt:ScheduleOfLoansToCustomersByTypesOfCollateralTableTextBlock
610	Schedule of movements in the allowance for impairment losses attributable to bank deposits and loans to customers	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfMovementsInAllowanceForImpairmentLossesAttributableToBankDepositsAndLoansTableTextBlock
611	Schedule of movements in provision for impairment losses on loans	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsExplanatory
612	Schedule of quality of loans	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInternalCreditExposuresExplanatory
613	Analysis of credit quality of loans	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfFinancialAssetsThatArePastDueTableTextBlock
614	Schedule of bank deposits and liabilities	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfBankDepositsAndLiabilitiesTableTextBlock
615	Schedule of deposits from customers	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDepositsFromCustomersExplanatory
616	Schedule of due to banks	Concept (Text Block (HTML))	For Period		mbt:ScheduleOfDueToBanksTableTextBlock
617	Schedule of Group's liquidity analysis for non-derivative financial assets and liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfManagingLiquidityRisk
618	Schedule of future aggregate undiscounted cash flows	Concept (Text Block (HTML))	For Period		ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities
619	33003 - Disclosure - FINANCIAL RISK MANAGEMENT (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinancialRiskManagementTables
620	Implied Table	Table	*	*	implied:Table
621	FINANCIAL RISK MANAGEMENT	Abstract			mbt:DisclosureOfFinancialRiskManagementStrategyAbstract
622	Schedule of effect of the Group's swap agreements designated as cash flow hedges in accumulated other comprehensive income	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingExplanatory
623	Schedule of sensitivity to a reasonably possible change in USD and EUR exchange rates	Concept (Text Block (HTML))	For Period		ifrs-full:SensitivityAnalysisForEachTypeOfMarketRisk
624	Schedule of exposure to credit risk	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCreditRiskExplanatory
625	33103 - Disclosure - RELATED PARTIES (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesTables
626	Implied Table	Table	*	*	implied:Table
627	RELATED PARTIES	Abstract			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
628	Schedule of transactions with related parties	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
629	Schedule of accounts receivable from and accounts payable to related parties	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfAccountsReceivableFromAndAccountsPayableToRelatedParties
630	Schedule of advances for the purchase of property, plant and equipment, Intangible Assets and other assets to related parties	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfAdvancesForPropertyPlantAndEquipmentIntangibleAssetsAndOtherAssetsRelatedParties
631	Schedule of lease transactions, related parties	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfLeaseTransactionsRelatedParties
632	Schedule of bank loans to customers, interbank loans provided to related parties	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfBankLoansToCustomersInterbankLoansDueFromRelatedParties
633	Schedule of bank deposits and liabilities from related parties	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfBankDepositsAndLiabilitiesFromRelatedParties
634	Schedule of investments in related parties	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfInvestingAndFinancingTransactionsWithRelatedParties
635	Schedule of revenue and operating transactions with related parties	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfOperatingTransactionsBetweenRelatedPartiesTableTextBlock
636	Schedule of finance income from related parties	Concept (Text Block (HTML))	For Period		mbt:DisclosureOfFinanceIncomeFromRelatedPartiesTableTextBlock
637	33203 - Disclosure - SHAREHOLDERS' EQUITY (Tables)	Network	*	*	http://www.mtsgsm.com/role/DisclosureShareholdersEquityTables
638	Disclosure of stockholder's equity [table]	Table	*	*	mbt:DisclosureOfStockholderSEquityTable
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751	40301 - Disclosure - EFFECT FROM IFRS 15 IMPLEMENTATION - Statement of financial position (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureEffectFromIfrs15ImplementationStatementOfFinancialPositionDetails
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784	40302 - Disclosure - EFFECT FROM IFRS 15 IMPLEMENTATION - Statement of profit or loss (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureEffectFromIfrs15ImplementationStatementOfProfitOrLossDetails
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804	40303 - Disclosure - EFFECT FROM IFRS 15 IMPLEMENTATION - Statements of cash flows (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureEffectFromIfrs15ImplementationStatementsOfCashFlowsDetails
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824	40501 - Disclosure - BUSINESS ACQUISITIONS AND DISPOSALS - Acquisition of Kulturnaya Sluzhba, MDTZK, ProgTech and IT-Grad (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBusinessAcquisitionsAndDisposalsAcquisitionOfKulturnayaSluzhbaMdtzkProgtechAndItGradDetails
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861	40502 - Disclosure - BUSINESS ACQUISITIONS AND DISPOSALS - Liabilities and indemnification assets in respect to deferred payments (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBusinessAcquisitionsAndDisposalsLiabilitiesAndIndemnificationAssetsInRespectToDeferredPaymentsDetails
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873	40503 - Disclosure - BUSINESS ACQUISITIONS AND DISPOSALS - Acquisitions of subsidiaries under common control (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBusinessAcquisitionsAndDisposalsAcquisitionsOfSubsidiariesUnderCommonControlDetails
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887	Liabilities assumed	Concept (Monetary)	For Period	Credit	ifrs-full:LiabilitiesInSubsidiaryOrBusinessesAcquiredOrDisposed2013
888	40504 - Disclosure - BUSINESS ACQUISITIONS AND DISPOSALS - Acquisition of BCC, Oblachny Retail and Praliss Enterprises (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBusinessAcquisitionsAndDisposalsAcquisitionOfBccOblachnyRetailAndPralissEnterprisesDetails
889	Disclosure of detailed information about business combination [table]	Table	*	*	ifrs-full:DisclosureOfBusinessCombinationsTable
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913	Fair value of contingent consideration and earn-out payments	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesIncurred
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918	Average remaining useful life of software	Concept (xbrli:durationItemType)	For Period		mbt:RemainingAverageUsefulLifeOfSoftware
919	40505 - Disclosure - BUSINESS ACQUISITIONS AND DISPOSALS - Acquisition of Smarts-Yoshkar-Ola (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBusinessAcquisitionsAndDisposalsAcquisitionOfSmartsYoshkarOlaDetails
920	Disclosure of detailed information about business combination [table]	Table	*	*	ifrs-full:DisclosureOfBusinessCombinationsTable
921	Business combinations [axis]	Axis			ifrs-full:BusinessCombinationsAxis
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924	Disposal Groups Classification [Axis]	Axis			mbt:DisposalGroupsClassificationAxis
925	Disposal Groups Classification [Domain]	Member			mbt:DisposalGroupsClassificationDomain
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927	BUSINESS ACQUISITIONS AND DISPOSALS	LineItems			ifrs-full:DisclosureOfBusinessCombinationsLineItems
928	Ownership interest acquired (in percentage)	Concept (Percent)	As Of		ifrs-full:PercentageOfVotingEquityInterestsAcquired
929	Purchase price allocation for business acquired	Abstract			ifrs-full:AdditionalDisclosuresForAmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract
930	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate
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932	Licenses	Concept (Monetary)	As Of	Debit	mbt:LicensesRecognisedAsOfAcquisitionDate
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938	Contingent consideration	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesIncurred
939	Cash paid	Concept (Monetary)	As Of	Credit	ifrs-full:CashTransferred
940	Percentage of voting rights disposed	Concept (Percent)	As Of		mbt:PercentageOfVotingRightsDisposed
941	40506 - Disclosure - BUSINESS ACQUISITIONS AND DISPOSALS - Pro forma results of operations (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBusinessAcquisitionsAndDisposalsProFormaResultsOfOperationsDetails
942	Disclosure of detailed information about business combination [table]	Table	*	*	ifrs-full:DisclosureOfBusinessCombinationsTable
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948	Pro forma:	LineItems			ifrs-full:DisclosureOfBusinessCombinationsLineItems
949	Net revenues	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueOfCombinedEntity
950	Net income	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossOfCombinedEntity
951	Revenue of acquired entities since acquisition	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueOfAcquiree
952	Net income (loss) of acquired entities since acquisition	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossOfAcquiree
953	40601 - Disclosure - SEGMENT INFORMATION - Financial information by reportable segments (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureSegmentInformationFinancialInformationByReportableSegmentsDetails
954	Disclosure of operating segments [table]	Table	*	*	ifrs-full:DisclosureOfOperatingSegmentsTable
955	Segments [axis]	Axis			ifrs-full:SegmentsAxis
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963	HQ and elimination	Member			mbt:HQAndEliminationSegmentMember
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968	Entity's total for segment consolidation items [member]	Member			ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
969	Intersegment elimination	Member			ifrs-full:EliminationOfIntersegmentAmountsMember
970	Operating segments	Member			ifrs-full:OperatingSegmentsMember
971	SEGMENT INFORMATION	LineItems			ifrs-full:DisclosureOfOperatingSegmentsLineItems
972	Revenue	Abstract			ifrs-full:RevenueAbstract
973	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromContractsWithCustomers
974	Operating profit	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
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977	Capital expenditures	Concept (Monetary)	For Period	Credit	mbt:CapitalExpenditures
978	40602 - Disclosure - SEGMENT INFORMATION - Financial information by geographic areas (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureSegmentInformationFinancialInformationByGeographicAreasDetails
979	Disclosure of geographical areas [table]	Table	*	*	ifrs-full:DisclosureOfGeographicalAreasTable
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986	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromContractsWithCustomers
987	Non-current assets	Abstract			ifrs-full:NoncurrentAssetsAbstract
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989	40603 - Disclosure - SEGMENT INFORMATION - Disaggregation of revenue (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureSegmentInformationDisaggregationOfRevenueDetails
990	Disclosure of disaggregation of revenue from contracts with customers [table]	Table	*	*	ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
991	Segment consolidation items [axis]	Axis			ifrs-full:SegmentConsolidationItemsAxis
992	Entity's total for segment consolidation items [member]	Member			ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
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1000	Ukraine	Member			mbt:UkraineMember
1001	MTS Bank	Member			mbt:MtsBankSegmentMember
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1004	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
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1006	External Customers	Member			mbt:ExternalCustomersMember
1007	Mobile services	Member			mbt:MobileServicesMember
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1009	Finance services	Member			mbt:FinanceServicesMember
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1011	Sales of goods	Member			mbt:SalesOfGoodsMember
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1013	Timing of transfer of goods or services [axis]	Axis			ifrs-full:TimingOfTransferOfGoodsOrServicesAxis
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1015	Recognised over time	Member			ifrs-full:GoodsOrServicesTransferredOverTimeMember
1016	Recognised at point of time	Member			ifrs-full:GoodsOrServicesTransferredAtPointInTimeMember
1017	Disaggregation of revenue	LineItems			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
1018	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromContractsWithCustomers
1019	40701 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Disaggregation of revenue (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRevenueFromContractsWithCustomersDisaggregationOfRevenueDetails
1020	Disclosure of disaggregation of revenue from contracts with customers [table]	Table	*	*	ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
1021	Segment consolidation items [axis]	Axis			ifrs-full:SegmentConsolidationItemsAxis
1022	Entity's total for segment consolidation items [member]	Member			ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1023	Intersegment elimination	Member			ifrs-full:EliminationOfIntersegmentAmountsMember
1024	Operating segments	Member			ifrs-full:OperatingSegmentsMember
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1026	Segments [axis]	Axis			ifrs-full:SegmentsAxis
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1032	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
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1036	Finance services	Member			mbt:FinanceServicesMember
1037	Integration services	Member			mbt:IntegrationServicesMember
1038	Sales of goods	Member			mbt:SalesOfGoodsMember
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1040	Disaggregation of revenue	LineItems			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
1041	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromContractsWithCustomers
1042	40702 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Contract balances (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRevenueFromContractsWithCustomersContractBalancesDetails
1043	Disclosure of disaggregation of revenue from contracts with customers [table]	Table	*	*	ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersTable
1044	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
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1050	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1051	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1052	2019	Member			ifrs-full:NotLaterThanOneYearMember
1053	More than 1 to 5 years	Member			ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1054	2025 - 2029	Member			ifrs-full:LaterThanFiveYearsAndNotLaterThanTenYearsMember
1055	Disclosure of disaggregation of revenue from contracts with customers [line items]	LineItems			ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersLineItems
1056	Receivables	Concept (Monetary)	As Of	Debit	ifrs-full:ReceivablesFromContractsWithCustomers
1057	Contract assets	Concept (Monetary)	As Of	Debit	ifrs-full:ContractAssets
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1063	Total non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentContractLiabilities
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1066	Revenue recognised that was included in the contract liability balance at the beginning of the period	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueThatWasIncludedInContractLiabilityBalanceAtBeginningOfPeriod
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1068	Transfers from contract assets to receivables Effect of changes in estimates	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughCumulativeCatchupAdjustmentsToRevenueArisingFromChangeInMeasureOfProgressContractAssets
1069	Contract assets at end of period	Concept (Monetary)	As Of	Debit	ifrs-full:ContractAssets
1070	Contract liabilities at beginning of period	Concept (Monetary)	As Of	Credit	ifrs-full:ContractLiabilities
1071	Business combinations	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseThroughBusinessCombinationsContractLiabilities
1072	Contract liabilities at end of period	Concept (Monetary)	As Of	Credit	ifrs-full:ContractLiabilities
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1074	Revenue related to performance obligations that are unsatisfied (or partially unsatisfied)	Concept (Monetary)	As Of	Credit	ifrs-full:TransactionPriceAllocatedToRemainingPerformanceObligations
1075	40703 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS - Cost to obtain and fulfill a contract (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRevenueFromContractsWithCustomersCostToObtainAndFulfillContractDetails
1076	Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [table]	Table	*	*	ifrs-full:DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersTable
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1079	Cost-to-obtain contracts	Member			ifrs-full:CostsToObtainContractsWithCustomersMember
1080	Cost to fulfill contracts	Member			ifrs-full:SetupCostsMember
1081	Disclosure of assets recognised from costs to obtain or fulfil contracts with customers [line items]	LineItems			ifrs-full:DisclosureOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersLineItems
1082	Balance of cost to obtain and fulfill contracts capitalized	Concept (Monetary)	As Of	Debit	ifrs-full:AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers
1083	Accumulated amortization expense related to cost to obtain or fulfill contracts	Concept (Monetary)	As Of	Credit	mbt:AccumulatedAmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers
1084	Amortization expense related to cost to obtain or fulfill contracts	Concept (Monetary)	For Period	Debit	ifrs-full:AmortisationAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers
1085	Impairment loss related to costs capitalized	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossAssetsRecognisedFromCostsIncurredToObtainOrFulfilContractsWithCustomers
1086	40801 - Disclosure - SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureSellingGeneralAndAdministrativeExpensesDetails
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1101	40901 - Disclosure - FINANCE INCOME AND COSTS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinanceIncomeAndCostsDetails
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1107	Lease obligations	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnLeaseLiabilities
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1122	Annual weighted average capitalization rates	Concept (Percent)	For Period		ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation
1123	41001 - Disclosure - OPERATIONS IN UZBEKISTAN - Disposal of UMS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureOperationsInUzbekistanDisposalOfUmsDetails
1124	Noncurrent asset or disposal group classified as held for sale [Table]	Table	*	*	mbt:NoncurrentAssetOrDisposalGroupClassifiedAsHeldForSaleTable
1125	Continuing and discontinued operations [axis]	Axis			ifrs-full:ContinuingAndDiscontinuedOperationsAxis
1126	Continuing operations [member]	Member			ifrs-full:ContinuingOperationsMember
1127	Discontinued operations	Member			ifrs-full:DiscontinuedOperationsMember
1128	UMS	Member			mbt:UmsDisposalGroupDiscontinuedOperationsMember
1129	Disposal of UMS	LineItems			mbt:NoncurrentAssetOrDisposalGroupClassifiedAsHeldForSaleLineItems
1130	Sale of ownership in discontinued operation (as a percentage)	Concept (Percent)	For Period		mbt:SaleOfStockPercentageOfOwnershipSold
1131	Consideration received for disposal of company	Concept (Monetary)	For Period	Credit	ifrs-full:ConsiderationPaidReceived
1132	Results of discontinued operation	Abstract			mbt:ResultsOfDiscontinuedOperationAbstract
1133	Revenue from contracts with customers	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromContractsWithCustomers
1134	Expenses	Concept (Monetary)	For Period	Debit	ifrs-full:OperatingExpense
1135	Loss before tax	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
1136	Income tax gain (note 12)	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations
1137	Loss for the period	Concept (Monetary)	For Period	Credit	mbt:ProfitLossFromOrdinaryActivitiesOfDiscontinuedOperationsNetOfTax
1138	Loss on sale of discontinued operations	Concept (Monetary)	For Period	Credit	mbt:GainLossRecognisedOnSaleOfDiscontinuedOperation
1139	Loss from discontinued operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromDiscontinuedOperations
1140	Loss attributable to non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests
1141	Loss to owners of the Company	Concept (Monetary)	For Period	Credit	mbt:ProfitLossFromDiscontinuedOperationsAttributableToOwnersOfParent
1142	Earnings per share from discontinued operations (basic), Russian Rubles:	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShareFromDiscontinuedOperations
1143	Earnings per share from discontinued operations (diluted), Russian Rubles:	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShareFromDiscontinuedOperations
1144	Cash flows from (used in) discontinued operation	Abstract			ifrs-full:CashFlowsFromContinuingAndDiscontinuedOperationsAbstract
1145	Net cash used in operating activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations
1146	Net cash used in investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations
1147	Net cash provided by financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations
1148	41002 - Disclosure - OPERATIONS IN UZBEKISTAN - Carrying amounts of UMS net assets and reconciliation of the loss on disposal (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureOperationsInUzbekistanCarryingAmountsOfUmsNetAssetsAndReconciliationOfLossOnDisposalDetails
1149	Noncurrent asset or disposal group classified as held for sale [Table]	Table	*	*	mbt:NoncurrentAssetOrDisposalGroupClassifiedAsHeldForSaleTable
1150	Continuing and discontinued operations [axis]	Axis			ifrs-full:ContinuingAndDiscontinuedOperationsAxis
1151	Continuing operations [member]	Member			ifrs-full:ContinuingOperationsMember
1152	Discontinued operations	Member			ifrs-full:DiscontinuedOperationsMember
1153	UMS	Member			mbt:UmsDisposalGroupDiscontinuedOperationsMember
1154	Carrying amounts of UMS's net assets and reconciliation of the loss on disposal	LineItems			mbt:NoncurrentAssetOrDisposalGroupClassifiedAsHeldForSaleLineItems
1155	Property, plant and equipment	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
1156	Other intangible assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherIntangibleAssets
1157	Other non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentAssets
1158	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
1159	Other current assets	Concept (Monetary)	As Of	Debit	ifrs-full:OtherCurrentAssets
1160	Non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
1161	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
1162	Non-controlling interest	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
1163	Accumulated other comprehensive loss	Concept (Monetary)	As Of	Credit	ifrs-full:AccumulatedOtherComprehensiveIncome
1164	Consideration received	Concept (Monetary)	As Of	Credit	ifrs-full:CashTransferred
1165	Loss on disposal of UMS	Concept (Monetary)	For Period	Credit	ifrs-full:GainLossRecognisedOnMeasurementToFairValueLessCostsToSellOrOnDisposalOfAssetsOrDisposalGroupsConstitutingDiscontinuedOperation
1166	41101 - Disclosure - OPERATIONS IN TURKMENISTAN (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureOperationsInTurkmenistanDetails
1167	Disclosure of impairment loss and reversal of impairment loss [table]	Table	*	*	ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable
1168	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
1169	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
1170	Country of domicile [member]	Member			ifrs-full:CountryOfDomicileMember
1171	Turkmenistan	Member			country:TM
1172	Effect of impairment charges on the Statement of profit or loss	LineItems			ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems
1173	Impairment of long-lived assets	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1174	Current provision for income tax	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncome
1175	Provision for doubtful accounts	Concept (Monetary)	For Period	Debit	mbt:IfrsProvisionForDoubtfulAccounts
1176	Other operating expenses	Concept (Monetary)	For Period	Credit	ifrs-full:OtherOperatingIncomeExpense
1177	Taxes other than income tax	Concept (Monetary)	For Period	Debit	mbt:TaxesOtherThanIncomeTax
1178	Deferred income tax	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncome
1179	Total impairment loss	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
1180	Provision for dismantling of terminal network equipment	Concept (Monetary)	As Of	Credit	mbt:ProvisionForDemolitionOfTerminalNetworkEquipment
1181	41201 - Disclosure - INCOME TAX (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureIncomeTaxDetails
1182	Income Tax Disclosure [Table]	Table	*	*	mbt:IncomeTaxDisclosureTable
1183	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
1184	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
1185	Russia	Member			country:RU
1186	Income tax disclosure	LineItems			mbt:IncomeTaxDisclosureLineItems
1187	Components of income tax expense	Abstract			ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract
1188	Corporate income tax rate	Concept (Percent)	For Period		ifrs-full:ApplicableTaxRate
1189	Withholding tax rate on dividends paid	Concept (Percent)	For Period		mbt:WithholdingTaxRateOnDividendsPaid
1190	Current income tax charge	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncome
1191	Prior period tax adjustments	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
1192	Total current income tax	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
1193	Deferred tax	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncome
1194	Income tax expense on continuing operations	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
1195	Tax effect from the discontinued operations	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations
1196	Total tax expense for the period	Concept (Monetary)	For Period	Debit	mbt:IncomeTaxExpenseContinuingOperationsAndDiscontinuingOperations
1197	41202 - Disclosure - INCOME TAX - Reconciliation of groups effective income tax (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureIncomeTaxReconciliationOfGroupsEffectiveIncomeTaxDetails
1198	Income Tax Disclosure [Table]	Table	*	*	mbt:IncomeTaxDisclosureTable
1199	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
1200	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
1201	Country of domicile [member]	Member			ifrs-full:CountryOfDomicileMember
1202	Russia and Armenia	Member			mbt:RussiaAndArmeniaMember
1203	Ukraine	Member			country:UA
1204	Turkmenistan	Member			country:TM
1205	Czech Republic	Member			country:CZ
1206	Income tax disclosure	LineItems			mbt:IncomeTaxDisclosureLineItems
1207	Statutory income tax rate for the year (as a percentage)	Concept (Percent)	For Period		ifrs-full:ApplicableTaxRate
1208	Adjustments:	Abstract			mbt:AdjustmentsToReconciliationBetweenApplicableTaxRateAndEffectiveTaxRateAbstract
1209	Expenses not deductible for tax purposes	Concept (Percent)	For Period		ifrs-full:TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1210	Prior periods tax effects	Concept (Percent)	For Period		ifrs-full:TaxRateEffectOfAdjustmentsForCurrentTaxOfPriorPeriods
1211	Different tax rate of foreign subsidiaries	Concept (Percent)	For Period		ifrs-full:TaxRateEffectOfForeignTaxRates
1212	Earnings distribution from subsidiaries	Concept (Percent)	For Period		mbt:TaxRateEffectOfEarningsDistributionFromSubsidiaries
1213	Change in fair value of derivative financial instruments	Concept (Percent)	For Period		mbt:TaxRateEffectOfChangesInFairValueOfDerivativeFinancialInstruments
1214	Derecognition of deferred tax assets	Concept (Percent)	For Period		mbt:TaxRateEffectOfDerecognitionOfDeferredTaxAssets
1215	Other	Concept (Percent)	For Period		ifrs-full:OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1216	Effective income tax rate	Concept (Percent)	For Period		ifrs-full:AverageEffectiveTaxRate
1217	41203 - Disclosure - INCOME TAX - Deferred income tax assets and liabilities (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureIncomeTaxDeferredIncomeTaxAssetsAndLiabilitiesDetails
1218	Implied Table	Table	*	*	implied:Table
1219	INCOME TAX	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1220	Deferred tax assets	Concept (Monetary)	As Of	Debit	ifrs-full:NetDeferredTaxAssets
1221	Deferred tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NetDeferredTaxLiabilities
1222	Net deferred tax liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
1223	41204 - Disclosure - INCOME TAX - Movements in the deferred tax assets and liabilities (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureIncomeTaxMovementsInDeferredTaxAssetsAndLiabilitiesDetails
1224	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1225	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1226	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1227	Temporary differences	Member			ifrs-full:TemporaryDifferenceMember
1228	Depreciation of property, plant and equipment	Member			mbt:DepreciationOnPropertyPlantAndEquipmentMember
1229	Other intangible assets	Member			ifrs-full:OtherIntangibleAssetsMember
1230	Potential distributions from / to Group's subsidiaries / associates	Member			mbt:PotentialDistributionsFromOrToGroupsSubsidiariesOrAssociatesMember
1231	Licenses	Member			ifrs-full:LicencesMember
1232	Customer base	Member			ifrs-full:CustomerrelatedIntangibleAssetsMember
1233	Capitalization of cost to obtain and fulfill contracts	Member			mbt:CapitalizationOfCostToObtainAndFulfillContractsMember
1234	Accrued expenses for services	Member			mbt:AccruedExpensesMember
1235	Right-of-use assets and lease obligations	Member			mbt:RightOfUseAssetsAndLeaseObligationsMember
1236	Lease obligations	Member			ifrs-full:LeaseLiabilitiesMember
1237	Loss carryforward	Member			ifrs-full:UnusedTaxLossesMember
1238	Provision for investment in Delta Bank in Ukraine	Member			mbt:ProvisionForInvestmentInDeltaBankInUkraineMember
1239	Deferred connection fees	Member			mbt:DeferredConnectionFeesMember
1240	Contract liabilities	Member			mbt:ContractLiabilitiesMember
1241	Debt modification	Member			mbt:DebtModificationsMember
1242	Hedge and other	Member			mbt:HedgeAndOtherMember
1243	Disclosure of temporary difference, unused tax losses and unused tax credits	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1244	Assets / (liabilities) arising from tax effect of:	Abstract			ifrs-full:ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract
1245	Net deferred tax liability at the beginning of the period	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
1246	Adjustment on initial application of new IFRS standarts	Concept (Monetary)	For Period	Credit	mbt:IncreaseDecreaseThroughAdjustmentOnInitialApplicationOfNewIfrsStandartsDeferredTaxLiabilityAsset
1247	Recognised in profit / loss	Concept (Monetary)	For Period		ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1248	Recognised in other comprehensive income	Concept (Monetary)	For Period		ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1249	Effect of acquisitions	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset
1250	Effect of disposal	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughLossOfControlOfSubsidiaryDeferredTaxLiabilityAsset
1251	Net deferred tax liability at the end of the period	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
1252	41205 - Disclosure - INCOME TAX - Recognized tax losses and uncertain income tax positions (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureIncomeTaxRecognizedTaxLossesAndUncertainIncomeTaxPositionsDetails
1253	Implied Table	Table	*	*	implied:Table
1254	INCOME TAX	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1255	Tax losses carry forward period (in years)	Concept (xbrli:durationItemType)	For Period		mbt:CarryForwardPeriodForUnusedTaxLossesForWhichNoDeferredTaxAssetRecognized
1256	Maximum percentage of tax base can be reduced by tax losses carry forward for years 2017 - 2020	Concept (Monetary)	For Period	Debit	mbt:MaximumPercentageOfTaxBasesCanBeReducedByTaxLossesCarryForwardForYears2017To2020
1257	Unused tax losses	Concept (Monetary)	As Of		ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1258	Uncertain income tax positions	Concept (Monetary)	As Of	Credit	mbt:UncertainIncomeTaxPositions
1259	41301 - Disclosure - EARNINGS PER SHARE (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureEarningsPerShareDetails
1260	Earnings per share [table]	Table	*	*	ifrs-full:EarningsPerShareTable
1261	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1262	Currently stated [member]	Member			ifrs-full:RestatedMember
1263	As if IFRS 15 was not applied	Member			ifrs-full:PreviouslyStatedMember
1264	Earnings per share [line items]	LineItems			ifrs-full:EarningsPerShareLineItems
1265	Numerator:	Abstract			ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract
1266	Profit for the year from continuing operations attributable to the owners of the company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity
1267	Loss for the year from discontinued operations attributable to the owners of the company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity
1268	Denominator, in thousands:	Abstract			ifrs-full:WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
1269	Weighted-average ordinary shares outstanding	Concept (Shares)	For Period		ifrs-full:WeightedAverageShares
1270	Employee stock options	Concept (Shares)	For Period		ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
1271	Weighted-average diluted shares outstanding	Concept (Shares)	For Period		ifrs-full:AdjustedWeightedAverageShares
1272	Earnings per share-basic, RUB	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
1273	Basic EPS from continuing operations	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShareFromContinuingOperations
1274	Basic EPS from discontinued operations	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShareFromDiscontinuedOperations
1275	Earnings per share-diluted, RUB	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
1276	Diluted EPS from continuing operations	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShareFromContinuingOperations
1277	Diluted EPS from discontinued operations	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShareFromDiscontinuedOperations
1278	41401 - Disclosure - CASH AND CASH EQUIVALENTS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureCashAndCashEquivalentsDetails
1279	Disclosure of information about cash and cash equivalents [table]	Table	*	*	mbt:DisclosureOfInformationAboutCashAndCashEquivalentsTable
1280	Currency [Axis]	Axis			srt:CurrencyAxis
1281	All Currencies [Domain]	Member			currency:AllCurrenciesDomain
1282	Russian Rubles	Member			currency:RUB
1283	USD	Member			currency:USD
1284	Euro	Member			currency:EUR
1285	Ukraine Hryvna	Member			currency:UAH
1286	Turkmenian Manat	Member			currency:TMT
1287	Other currencies	Member			mbt:OtherCurrencyMember
1288	Cash and Cash Equivalents	LineItems			mbt:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsLineItems
1289	Cash and cash equivalents at banks and on hand	Concept (Monetary)	As Of	Debit	mbt:CashAndCashEquivalentsAtBanksAndOnHand
1290	Short-term deposits with an original maturity of less than 92 days	Concept (Monetary)	As Of	Debit	ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents
1291	Total cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
1292	41501 - Disclosure - SHORT-TERM INVESTMENTS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureShortTermInvestmentsDetails
1293	Disclosure of current investments [table]	Table	*	*	mbt:DisclosureOfCurrentInvestmentsTable
1294	Categories of financial assets [axis]	Axis			ifrs-full:CategoriesOfFinancialAssetsAxis
1295	Financial Assets Category [Member]	Member			ifrs-full:FinancialAssetsCategoryMember
1296	At amortized cost	Member			ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
1297	At fair value through profit or loss	Member			ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1298	At fair value through other comprehensive income	Member			ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1299	Short-term investments	LineItems			mbt:DisclosureOfCurrentInvestmentsLineItems
1300	Notes	Concept (Monetary)	As Of	Debit	mbt:CurrentNotesReceivables
1301	Deposits	Concept (Monetary)	As Of	Debit	ifrs-full:ShorttermDepositsNotClassifiedAsCashEquivalents
1302	Assets in Sistema Capital trust management (Notes 18, 31)	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
1303	Loans	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentLoansAndReceivables
1304	Short-term investments (Gross)	Concept (Monetary)	As Of	Debit	mbt:CurrentInvestmentsGross
1305	Allowance for ECL	Concept (Monetary)	As Of	Credit	mbt:AllowanceForExpectedCreditLossesCurrentInvestments
1306	Total short-term investments	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentInvestments
1307	41601 - Disclosure - INVESTMENTS IN ASSOCIATES AND JOINT VENTURES (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureInvestmentsInAssociatesAndJointVenturesDetails
1308	Disclosure of Associates and Joint Ventures [Table]	Table	*	*	mbt:DisclosureOfAssociatesAndJointVenturesTable
1309	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1310	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1311	MTS Belarus	Member			mbt:MTSBelarusMember
1312	MTS Bank	Member			mbt:MTSBankMember
1313	OZON Holdings Ltd	Member			mbt:OzonHoldingsLtdMember
1314	Equity investments in other unquoted companies	Member			mbt:EquityInvestmentsInOtherUnquotedCompaniesMember
1315	Investments in associates and joint ventures	LineItems			mbt:DisclosureOfAssociatesAndJointVenturesLineItems
1316	Total investments in associates	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentAccountedForUsingEquityMethod
1317	41602 - Disclosure - INVESTMENTS IN ASSOCIATES AND JOINT VENTURES - MTS Belarus (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureInvestmentsInAssociatesAndJointVenturesMtsBelarusDetails
1318	Disclosure of associates [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
1319	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1320	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1321	MTS Belarus	Member			mbt:MTSBelarusMember
1322	Investments in associates	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
1323	Statement of financial position	Abstract			ifrs-full:StatementOfFinancialPositionAbstract
1324	Assets	Abstract			ifrs-full:AssetsAbstract
1325	Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
1326	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
1327	Liabilities	Abstract			ifrs-full:LiabilitiesAbstract
1328	Non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
1329	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
1330	Total identifiable net assets attributable to the Group	Concept (Monetary)	As Of	Debit	ifrs-full:NetAssetsLiabilities
1331	Percentage of ownership in associate	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInAssociate
1332	The Group's share of identifiable net assets	Concept (Monetary)	As Of	Debit	mbt:ProportionShareOfNetAssetsAndLiabilitiesInAssociate
1333	Carrying amount of the Group's interest	Concept (Monetary)	As Of	Debit	mbt:ProportionShareOfNetAssetsAndLiabilitiesInAssociateCarryingAmount
1334	Statement of profit or loss	Abstract			ifrs-full:StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract
1335	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromContractsWithCustomers
1336	Net loss / (profit) for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1337	The Group's share of the profit of the associate for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1338	Other comprehensive loss for the year (currency translation adjustment)	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax
1339	Total comprehensive income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
1340	The Group's share of total comprehensive income of the associate for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1341	Dividends received	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsReceived
1342	41603 - Disclosure - INVESTMENTS IN ASSOCIATES AND JOINT VENTURES - MTS Bank (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureInvestmentsInAssociatesAndJointVenturesMtsBankDetails
1343	Disclosure of associates [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
1344	Range [axis]	Axis			ifrs-full:RangeAxis
1345	Ranges [member]	Member			ifrs-full:RangesMember
1346	Maximum	Member			ifrs-full:TopOfRangeMember
1347	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1348	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1349	MTS Bank	Member			mbt:MTSBankMember
1350	Legal Entity [Axis]	Axis			dei:LegalEntityAxis
1351	Entity [Domain]	Member			dei:EntityDomain
1352	MTS Bank	Member			mbt:MTSBankMember
1353	Disposal Groups Classification [Axis]	Axis			mbt:DisposalGroupsClassificationAxis
1354	Disposal Groups Classification [Domain]	Member			mbt:DisposalGroupsClassificationDomain
1355	East-West United Bank	Member			mbt:EastWestUnitedBankMember
1356	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
1357	Equity [member]	Member			ifrs-full:EquityMember
1358	Accumulated other comprehensive income	Member			ifrs-full:AccumulatedOtherComprehensiveIncomeMember
1359	Investments in associates	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
1360	Statement of financial position	Abstract			ifrs-full:StatementOfFinancialPositionAbstract
1361	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
1362	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
1363	Non-controlling interests	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
1364	Total identifiable net assets attributable to the Group	Concept (Monetary)	As Of	Debit	ifrs-full:NetAssetsLiabilities
1365	Percentage of ownership in associate	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInAssociate
1366	The Group's share of identifiable net assets	Concept (Monetary)	As Of	Debit	mbt:ProportionShareOfNetAssetsAndLiabilitiesInAssociate
1367	Impairment of investment in associate	Concept (Monetary)	As Of	Credit	mbt:ImpairmentOfInvestmentInAssociate
1368	Carrying amount of the Group's interest	Concept (Monetary)	As Of	Debit	mbt:ProportionShareOfNetAssetsAndLiabilitiesInAssociateCarryingAmount
1369	Number of shares placed	Concept (Shares)	As Of		ifrs-full:NumberOfSharesIssued
1370	Number of shares under placement acquired by the group	Concept (Shares)	For Period		mbt:NumberOfSharesAcquiredUnderPlacement
1371	Total consideration	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfInterestsInAssociates
1372	Percentage of voting rights disposed	Concept (Percent)	As Of		mbt:PercentageOfVotingRightsDisposed
1373	Accumulated foreign currency translation reserve	Concept (Monetary)	As Of	Credit	ifrs-full:ReserveOfExchangeDifferencesOnTranslation
1374	Ownership interest in subsidiary (as a percentage)	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInSubsidiary
1375	Statement of profit or loss	Abstract			ifrs-full:StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract
1376	Total interest income	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromInterest
1377	Total interest expense	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpense
1378	Net loss for the period	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1379	The Group's share of the loss of the associate for the period	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1380	Other comprehensive loss / (income) for the period	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax
1381	Total comprehensive loss for the period	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
1382	The Group's share of the total comprehensive loss for the period	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1383	41604 - Disclosure - INVESTMENTS IN ASSOCIATES AND JOINT VENTURES - Others (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureInvestmentsInAssociatesAndJointVenturesOthersDetails
1384	Disclosure of associates [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable
1385	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
1386	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
1387	Sistema Capital	Member			mbt:SistemaCapitalMember
1388	OZON Holdings Ltd	Member			mbt:OzonHoldingsLtdMember
1389	MTS Bank	Member			mbt:MTSBankMember
1390	YOUDO Web Technologies	Member			mbt:YoudoWebTechnologiesMember
1391	Investments in Ozon Holdings Ltd and other individually insignificant associates and joint venture	Member			mbt:InvestmentsInOzonHoldingsLtdAndOtherIndividuallyInsignificantAssociatesAndJointVentureMember
1392	Range [axis]	Axis			ifrs-full:RangeAxis
1393	Ranges [member]	Member			ifrs-full:RangesMember
1394	Maximum	Member			ifrs-full:TopOfRangeMember
1395	IFRS Statement Scenario [Axis]	Axis			mbt:IfrsStatementScenarioAxis
1396	IFRS Statement Scenario [Domain]	Member			mbt:IfrsStatementScenarioDomain
1397	Participation in additional share issuance	Member			mbt:ParticipationInAdditionalShareIssuanceMember
1398	Purchase from non-controlling shareholder	Member			mbt:PurchaseFromNonControllingShareholderMember
1399	Exercise of the put option	Member			mbt:ExerciseOfPutOptionMember
1400	Investments in associates	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems
1401	Proportion of ownership interest	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInAssociate
1402	Number of ordinary shares acquired	Concept (Shares)	For Period		mbt:NumberOfOrdinarySharesAcquired
1403	Total consideration	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfInterestsInAssociates
1404	Increase of the Group's interest (as a percent)	Concept (Percent)	For Period		mbt:IncreaseInPercentageOfGroupsInterest
1405	Proportion of ownership interest sold in associate	Concept (Percent)	For Period		mbt:ProportionOfOwnershipInterestSoldInAssociate
1406	Proceeds from sale of interest	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromSalesOfInterestsInAssociates
1407	Statement of profit or loss	Abstract			ifrs-full:StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract
1408	Net loss / (profit) for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1409	The Group's share of the loss of the associate for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1410	Other comprehensive income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax
1411	Total comprehensive loss for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
1412	The Group's share of total comprehensive loss of the associate for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1413	41701 - Disclosure - OTHER INVESTMENTS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureOtherInvestmentsDetails
1414	Disclosure of other non current investments [table]	Table	*	*	mbt:DisclosureOfOtherNonCurrentInvestmentsTable
1415	Categories of financial assets [axis]	Axis			ifrs-full:CategoriesOfFinancialAssetsAxis
1416	Financial Assets Category [Member]	Member			ifrs-full:FinancialAssetsCategoryMember
1417	At amortized cost	Member			ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
1418	Other investments	LineItems			mbt:DisclosureOfOtherNonCurrentInvestmentsLineItems
1419	Notes	Concept (Monetary)	As Of	Debit	mbt:NotesNonCurrent
1420	Deposits	Concept (Monetary)	As Of	Debit	ifrs-full:LongtermDeposits
1421	Loans and unquoted notes	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentLoansAndReceivables
1422	Other	Concept (Monetary)	As Of	Debit	mbt:OtherInvestmentsAtCostNonCurrent
1423	Other investments (Gross)	Concept (Monetary)	As Of	Debit	mbt:GrossOtherInvestmentsNoncurrent
1424	Allowance for ECL	Concept (Monetary)	As Of	Credit	mbt:AllowancesForExpectedCreditLossesOtherInvestments
1425	Total other investments	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1426	41801 - Disclosure - TRADE AND OTHER RECEIVABLES (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureTradeAndOtherReceivablesDetails
1427	Implied Table	Table	*	*	implied:Table
1428	TRADE AND OTHER RECEIVABLES	Abstract			ifrs-full:TradeAndOtherCurrentReceivablesAbstract
1429	Receivables from Handset Sales Financing, Gross	Concept (Monetary)	As Of	Debit	mbt:ReceivablesFromHandsetSalesFinancingGross
1430	Subscribers	Concept (Monetary)	As Of	Debit	mbt:SubscribersReceivables
1431	Other trade receivables	Concept (Monetary)	As Of	Debit	mbt:OtherTradeReceivables
1432	Roaming	Concept (Monetary)	As Of	Debit	mbt:RoamingReceivables
1433	Interconnect	Concept (Monetary)	As Of	Debit	mbt:InterconnectReceivables
1434	Other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:OtherReceivables
1435	Integration services	Concept (Monetary)	As Of	Debit	mbt:IntegrationServicesReceivable
1436	Bonuses from suppliers	Concept (Monetary)	As Of	Debit	mbt:BonusesFromSuppliersReceivable
1437	Dealers	Concept (Monetary)	As Of	Debit	mbt:DealersReceivables
1438	Allowance for ECL/doubtful accounts	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1439	Trade and other receivables total	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherReceivables
1440	Less non-current portion	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivables
1441	Trade and other receivables current	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
1442	41802 - Disclosure - TRADE AND OTHER RECEIVABLES - Aging analysis of trade and other accounts receivables (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureTradeAndOtherReceivablesAgingAnalysisOfTradeAndOtherAccountsReceivablesDetails
1443	Disclosure of financial assets that are either past due or impaired [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable
1444	Impairment of financial assets [axis]	Axis			ifrs-full:ImpairmentOfFinancialAssetsAxis
1445	Entity's total for impairment of financial assets [member]	Member			ifrs-full:EntitysTotalForImpairmentOfFinancialAssetsMember
1446	Neither past due nor impaired	Member			ifrs-full:FinancialAssetsNeitherPastDueNorImpairedMember
1447	Past due, but not impaired	Member			ifrs-full:FinancialAssetsPastDueButNotImpairedMember
1448	Credit impairment of financial instruments [axis]	Axis			ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
1449	Credit impairment of financial instruments [member]	Member			ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
1450	Not credit impaired	Member			ifrs-full:FinancialInstrumentsNotCreditimpairedMember
1451	Impaired	Member			ifrs-full:FinancialInstrumentsCreditimpairedMember
1452	Method of assessment of expected credit losses [axis]	Axis			ifrs-full:MethodOfAssessmentOfExpectedCreditLossesAxis
1453	Method of assessment of expected credit losses [member]	Member			ifrs-full:MethodOfAssessmentOfExpectedCreditLossesMember
1454	Provision matrix	Member			mbt:ExpectedCreditLossesProvisionMatrixMember
1455	Individually assessed	Member			ifrs-full:ExpectedCreditLossesIndividuallyAssessedMember
1456	Collectively assessed	Member			ifrs-full:ExpectedCreditLossesCollectivelyAssessedMember
1457	Past due status [axis]	Axis			ifrs-full:PastDueStatusAxis
1458	Past due status [member]	Member			ifrs-full:PastDueStatusMember
1459	Current	Member			ifrs-full:CurrentMember
1460	Up to 30 days	Member			ifrs-full:NotLaterThanOneMonthMember
1461	31 - 60 days past due	Member			ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
1462	60 - 90 days past due	Member			ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
1463	More than 90 days past due	Member			ifrs-full:LaterThanThreeMonthsMember
1464	Less than 60 days	Member			mbt:NotLaterThanTwoMonthsMember
1465	61-150 days	Member			mbt:LaterThanTwoMonthsAndNotLaterThanFiveMonthsMember
1466	More than 150 days	Member			mbt:LaterThanFiveMonthsMember
1467	Age of trade and other accounts receivables that are past due but not impaired	LineItems			ifrs-full:DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedLineItems
1468	Weighted average loss rate, subscribers and dealers and other trade receivables (as a percent)	Concept (Percent)	As Of		mbt:WeightedAverageLossRateReceivablesFromSubscribersAndDealersAndOtherTradeReceivablesAssesedForImpairement
1469	Gross carrying amount, subscribers and dealers and other trade receivables	Concept (Monetary)	As Of	Debit	mbt:ReceivablesFromSubscribersAndDealerAndOtherTradeReceivablesAssesedForImpairementGross
1470	Loss allowance, subscribers and dealers and other trade receivables	Concept (Monetary)	As Of	Credit	mbt:LossAllowanceReceivablesFromSubscribersAndDealersAndOtherTradeReceivablesAssesedForImpairement
1471	Weighted average loss rate, receivables other then from subscribers and dealers	Concept (Percent)	As Of		mbt:WeightedAverageLossRateReceivablesOtherThanFromSubscribersAndDealers
1472	Gross carrying amount, receivables other then from subscribers and dealers	Concept (Monetary)	As Of	Debit	mbt:ReceivablesOtherThanFromSubscribersAndDealersGross
1473	Loss allowance, receivables other then from subscribers and dealers	Concept (Monetary)	As Of	Credit	mbt:LossAllowanceReceivablesOtherThenFromSubscribersAndDealers
1474	Weighted average loss rate, handset sales financing (as a Percent)	Concept (Percent)	As Of		mbt:WeightedAverageLossRateReceivablesFromHandsetSalesFinancing
1475	Gross carrying amount, handset sales financing	Concept (Monetary)	As Of	Debit	mbt:ReceivablesFromHandsetSalesFinancingGross
1476	Loss allowance, handset sales financing	Concept (Monetary)	As Of	Credit	mbt:LossAllowanceReceivablesFromHandsetSalesFinancing
1477	Trade and other receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
1478	41803 - Disclosure - TRADE AND OTHER RECEIVABLES - Changes in allowance for doubtful accounts receivables (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureTradeAndOtherReceivablesChangesInAllowanceForDoubtfulAccountsReceivablesDetails
1479	Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
1480	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
1481	Financial Assets [Member]	Member			ifrs-full:FinancialAssetsMember
1482	Trade and other receivables	Member			mbt:TradeAndOtherReceivablesMember
1483	Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments	LineItems			ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
1484	Changes in the allowance for doubtful accounts receivable	Abstract			ifrs-full:ChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract
1485	Balance, beginning of the year	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1486	Additional allowance required under IFRS 9	Concept (Monetary)	As Of	Debit	ifrs-full:IncreaseDecreaseInFinancialAssetsOnBasisOfMeasurementCategoryFirstApplicationOfIFRS9
1487	Allowance for doubtful accounts	Concept (Monetary)	For Period		ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
1488	Accounts receivable written off	Concept (Monetary)	For Period	Debit	ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets
1489	Acquisition/disposal of subsidiaries	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAssets
1490	Balance, end of the year	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
1491	41901 - Disclosure - INVENTORIES (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureInventoriesDetails
1492	Implied Table	Table	*	*	implied:Table
1493	INVENTORIES	Abstract			ifrs-full:ClassesOfInventoriesAbstract
1494	Handsets and accessories	Concept (Monetary)	As Of	Debit	mbt:HandsetsAndAccessories
1495	SIM cards and prepaid phone cards	Concept (Monetary)	As Of	Debit	mbt:SimCardsAndPrepaidPhoneCards
1496	Advertising and other materials	Concept (Monetary)	As Of	Debit	mbt:AdvertisingAndOtherMaterials
1497	TV equipment for resale	Concept (Monetary)	As Of	Debit	ifrs-full:Merchandise
1498	Software and equipment for installation and resale	Concept (Monetary)	As Of	Debit	mbt:SoftwareAndEquipmentForInstallationAndResale
1499	Spare parts for telecommunication equipment	Concept (Monetary)	As Of	Debit	ifrs-full:SpareParts
1500	Total inventories	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
1501	Expected utilization after year end of spare parts for telecommunication equipment, in months	Concept (xbrli:durationItemType)	For Period		mbt:ExpectedUtilizationPeriodSparePartsForTelecommunicationEquipment
1502	41902 - Disclosure - INVENTORIES - Cost of goods (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureInventoriesCostOfGoodsDetails
1503	Implied Table	Table	*	*	implied:Table
1504	INVENTORIES	Abstract			ifrs-full:ClassesOfInventoriesAbstract
1505	Amount of inventories recognized as an expense	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod
1506	Inventory obsolescence provision	Concept (Monetary)	For Period	Debit	mbt:ProvisionForInventoryObsolescence
1507	Reversal of obsolescence provision	Concept (Monetary)	For Period	Credit	mbt:ReversalOfProvisionForInventoryObsolescence
1508	Total cost of goods	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfMerchandiseSold
1509	42001 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosurePropertyPlantAndEquipmentDetails
1510	Disclosure Of Property Plant And Equipment Expected Useful Lives [Table]	Table	*	*	mbt:DisclosureOfPropertyPlantAndEquipmentExpectedUsefulLivesTable
1511	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1512	Property, plant and equipment	Member			ifrs-full:PropertyPlantAndEquipmentMember
1513	Network and base station equipment	Member			ifrs-full:CommunicationAndNetworkEquipmentMember
1514	Network infrastructure	Member			ifrs-full:NetworkInfrastructureMember
1515	Other	Member			mbt:OtherNetworkAndBaseStationEquipmentMember
1516	Land and buildings	Member			ifrs-full:LandAndBuildingsMember
1517	Buildings	Member			ifrs-full:BuildingsMember
1518	Office equipment, vehicles and other	Member			mbt:OfficeEquipmentVehiclesAndOtherMember
1519	Office equipment	Member			ifrs-full:OfficeEquipmentMember
1520	Vehicles	Member			ifrs-full:VehiclesMember
1521	Other	Member			mbt:OtherOfficeEquipmentAndVehiclesMember
1522	Range [axis]	Axis			ifrs-full:RangeAxis
1523	Ranges [member]	Member			ifrs-full:RangesMember
1524	Minimum	Member			ifrs-full:BottomOfRangeMember
1525	Maximum	Member			ifrs-full:TopOfRangeMember
1526	Summary of property, plant and equipment expected useful lives	LineItems			mbt:PropertyPlantAndEquipmentExpectedUsefulLivesLineItems
1527	Expected useful life	Concept (xbrli:durationItemType)	For Period		mbt:UsefulLivesPropertyPlantAndEquipment
1528	42002 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Net book value (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosurePropertyPlantAndEquipmentNetBookValueDetails
1529	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
1530	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1531	Property, plant and equipment	Member			ifrs-full:PropertyPlantAndEquipmentMember
1532	Network and base station equipment	Member			ifrs-full:CommunicationAndNetworkEquipmentMember
1533	Land and buildings	Member			ifrs-full:LandAndBuildingsMember
1534	Office equipment, vehicles and other	Member			mbt:OfficeEquipmentVehiclesAndOtherMember
1535	Construction in progress and equipment for installation	Member			ifrs-full:ConstructionInProgressMember
1536	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1537	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
1538	Gross amount	Member			ifrs-full:GrossCarryingAmountMember
1539	Accumulated amortisation and impairment	Member			ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1540	Disclosure of detailed information about property, plant and equipment	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1541	Property, plant and equipment at beginning of period	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
1542	Additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1543	Transferred into use	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment
1544	Charge for the year	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
1545	Disposal of UMS	Concept (Monetary)	For Period	Credit	mbt:DisposalsOfUmsPropertyPlantAndEquipment
1546	Arising on business combinations	Concept (Monetary)	For Period	Debit	ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
1547	Impairment	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1548	Transfer to assets held for sale	Concept (Monetary)	For Period	Credit	ifrs-full:DecreaseThroughClassifiedAsHeldForSalePropertyPlantAndEquipment
1549	Disposal	Concept (Monetary)	For Period	Credit	ifrs-full:DisposalsPropertyPlantAndEquipment
1550	Disposals	Concept (Monetary)	For Period	Debit	mbt:DisposalsPropertyPlantEquipmentAdjustment
1551	Transfer of financial leasing	Concept (Monetary)	For Period	Credit	mbt:TransferOfFinancialLeasing
1552	Other	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment
1553	Foreign exchange differences	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1554	Property, plant and equipment at end of period	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
1555	Amount of compensation from third parties	Concept (Monetary)	For Period	Credit	ifrs-full:CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment
1556	42101 - Disclosure - GOODWILL (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureGoodwillDetails
1557	Disclosure of reconciliation of changes in goodwill [table]	Table	*	*	ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable
1558	Segments [axis]	Axis			ifrs-full:SegmentsAxis
1559	Segments [member]	Member			ifrs-full:SegmentsMember
1560	Russia Convergent	Member			mbt:RussiaConvergentSegmentMember
1561	Moscow fixed line	Member			mbt:MoscowFixedLineSegmentMember
1562	Ukraine	Member			mbt:UkraineSegmentMember
1563	Other	Member			ifrs-full:AllOtherSegmentsMember
1564	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1565	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
1566	Gross amount	Member			ifrs-full:GrossCarryingAmountMember
1567	Accumulated impairment	Member			ifrs-full:AccumulatedImpairmentMember
1568	Changes in Goodwill	LineItems			ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems
1569	Change in the net carrying amount of goodwill	Abstract			ifrs-full:ReconciliationOfChangesInGoodwillAbstract
1570	Goodwill at beginning of period	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
1571	Acquisitions (Note 5)	Concept (Monetary)	For Period	Debit	mbt:AcquisitionsThroughBusinessCombinationsGoodwill
1572	Impairment (Note 22)	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
1573	Reclassification	Concept (Monetary)	For Period	Debit	mbt:IncreaseDecreaseThroughReclassificationGoodwill
1574	Currency translation adjustment	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesGoodwill
1575	Goodwill at end of period	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
1576	42201 - Disclosure - IMPAIRMENT REVIEW (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureImpairmentReviewDetails
1577	Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [table]	Table	*	*	ifrs-full:DisclosureOfInformationForEachMaterialImpairmentLossRecognisedOrReversedForIndividualAssetOrCashgeneratingUnitTable
1578	Individual assets or cash-generating units [axis]	Axis			ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
1579	Entity's total for individual assets or cash-generating units [member]	Member			ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
1580	Russia Convergent	Member			mbt:RussiaConvergentSegmentMember
1581	Armenia	Member			mbt:ArmeniaSegmentMember
1582	Moscow fixed line	Member			mbt:MoscowFixedLineSegmentMember
1583	Ukraine	Member			mbt:UkraineSegmentMember
1584	Turkmenistan	Member			mbt:TurkmenistanSegmentMember
1585	NVision Czech Republic	Member			mbt:NVisionCzechRepublicMember
1586	Oblachniy Retail	Member			mbt:OblachniyRetailMember
1587	Range [axis]	Axis			ifrs-full:RangeAxis
1588	Ranges [member]	Member			ifrs-full:RangesMember
1589	Minimum	Member			ifrs-full:BottomOfRangeMember
1590	Maximum	Member			ifrs-full:TopOfRangeMember
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1593	Property, plant and equipment	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1594	Other intangible assets	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
1595	Total impairment loss	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
1596	Reversal of impairment loss recognised in profit or loss, property, plant and equipment	Concept (Monetary)	For Period		ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
1597	Reversal of impairment loss recognised in profit or loss, other intangible assets	Concept (Monetary)	For Period		ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
1598	Reversal of impairment loss recognised in profit or loss	Concept (Monetary)	For Period	Credit	ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLoss
1599	Recoverable amount	Concept (Monetary)	As Of	Debit	ifrs-full:RecoverableAmountOfAssetOrCashgeneratingUnit
1600	OIBDA margin (as a percentage)	Concept (Percent)	For Period		mbt:OperatingIncomeBeforeDepreciationAndAmortizationMarginPercentage
1601	Capital expenditure as a percentage of revenue	Concept (Percent)	For Period		mbt:PercentageOfCapitalExpenditureOnRevenue
1602	Terminal growth rate (as a percentage)	Concept (Percent)	For Period		mbt:TerminalGrowthRate
1603	Discount rate applied to cash flow projections (as a percentage)	Concept (Percent)	As Of		ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
1604	42301 - Disclosure - OTHER INTANGIBLE ASSETS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureOtherIntangibleAssetsDetails
1605	Disclosure of detailed information about intangible assets [table]	Table	*	*	ifrs-full:DisclosureOfIntangibleAssetsTable
1606	Classes of intangible assets other than goodwill [axis]	Axis			ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
1607	Exclusive rights for trademarks	Member			ifrs-full:IntangibleAssetsOtherThanGoodwillMember
1608	Licenses	Member			ifrs-full:LicencesMember
1609	Right to use radio frequencies	Member			mbt:RightToUseRadioFrequenciesMember
1610	Billing and other software	Member			ifrs-full:ComputerSoftwareMember
1611	Customer base	Member			ifrs-full:CustomerrelatedIntangibleAssetsMember
1612	Numbering capacity	Member			mbt:NumberingCapacityMember
1613	Cost-to-obtain contracts	Member			ifrs-full:CostsToObtainContractsWithCustomersMember
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1615	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
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1617	Gross amount	Member			ifrs-full:GrossCarryingAmountMember
1618	Accumulated amortisation and impairment	Member			ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
1619	Range [axis]	Axis			ifrs-full:RangeAxis
1620	Ranges [member]	Member			ifrs-full:RangesMember
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1622	Maximum	Member			ifrs-full:TopOfRangeMember
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1627	Arising on business combinations	Concept (Monetary)	For Period	Debit	ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
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1630	Effect on assets impairment	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
1631	Disposal of UMS	Concept (Monetary)	For Period	Credit	mbt:DisposalsOfUmsIntangibleAssetsOtherThanGoodwill
1632	Disposal	Concept (Monetary)	For Period	Credit	ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill
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1634	Foreign exchange differences	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill
1635	Intangible assets other than goodwill at end of period	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
1636	Weighted-average period until next renewal of operating licenses	Concept (xbrli:durationItemType)	For Period		mbt:RussianFederationOperatingLicensesWeightedAveragePeriodUntilNextRenewal
1637	42401 - Disclosure - BORROWINGS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBorrowingsDetails
1638	Implied Table	Table	*	*	implied:Table
1639	BORROWINGS	Abstract			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
1640	Bank and other loans	Concept (Monetary)	As Of	Credit	ifrs-full:LoansReceived
1641	Notes	Concept (Monetary)	As Of	Credit	ifrs-full:NotesAndDebenturesIssued
1642	Total borrowings	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
1643	Less: current portion	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
1644	Total borrowings, non-current	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
1645	42402 - Disclosure - BORROWINGS - Notes (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBorrowingsNotesDetails
1646	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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1650	MTS International Notes due 2020	Member			mbt:MtsInternationalNotesDue2020Member
1651	MTS PJSC Notes due 2022 (7.70%)	Member			mbt:MtsPjscNotesDue2022With7.70PercentInterestRateMember
1652	MTS PJSC Notes due 2023	Member			mbt:MtsPjscNotesDue2023Member
1653	MTS PJSC Notes due 2031	Member			mbt:MtsPjscNotesDue2031Member
1654	MTS PJSC Notes due 2022 (9.00%)	Member			mbt:MtsPjscNotesDue2022With9.00PercentInterestRateMember
1655	MTS PJSC Notes due 2021 (8.85%)	Member			mbt:MtsPjscNotesDue2021With8.85PercentInterestRateMember
1656	MTS PJSC Notes due 2021 (7.10%)	Member			mbt:MtsPjscNotesDue2021With7.10PercentInterestRateMember
1657	MTS PJSC Notes Due 2025	Member			mbt:MtsPjscNotesDue2025Member
1658	MTS PJSC Notes due 2018	Member			mbt:MtsPjscNotesDue2018Member
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1661	Currency [Axis]	Axis			srt:CurrencyAxis
1662	All Currencies [Domain]	Member			currency:AllCurrenciesDomain
1663	USD	Member			currency:USD
1664	BORROWINGS	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
1665	Interest rate	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
1666	Total notes	Concept (Monetary)	As Of	Credit	ifrs-full:NotesAndDebenturesIssued
1667	Less: current portion	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentNotesAndDebenturesIssuedAndCurrentPortionOfNoncurrentNotesAndDebenturesIssued
1668	Total notes, non-current	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentPortionOfNoncurrentNotesAndDebenturesIssued
1669	42403 - Disclosure - BORROWINGS - Loans from banks and financial institutions (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBorrowingsLoansFromBanksAndFinancialInstitutionsDetails
1670	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
1671	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
1672	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
1673	Calyon, ING Bank N.V, Nordea Bank AB, Raiffeisen Zentralbank Osterreich AG	Member			mbt:CalyonINGBankN.vNordeaBankBRaiffeisenZentralbankOsterreichGMember
1674	Citibank	Member			mbt:CitibankMember
1675	Sberbank	Member			mbt:SberbankMember
1676	VTB	Member			mbt:VTBBankMember
1677	Other	Member			mbt:OtherMember
1678	Various financial institutions	Member			mbt:FinancialInstitutionsMember
1679	Currency [Axis]	Axis			srt:CurrencyAxis
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1681	USD	Member			currency:USD
1682	Russian Rubles	Member			currency:RUB
1683	Other currencies	Member			mbt:OtherCurrencyMember
1684	Types of interest rates [axis]	Axis			ifrs-full:TypesOfInterestRatesAxis
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1686	Variable interest rate risk	Member			ifrs-full:FloatingInterestRateMember
1687	LIBOR	Member			mbt:IfrsLondonInterbankOfferedRateLiborMember
1688	Central Bank key rate	Member			mbt:CentralBankKeyRateMember
1689	Range [axis]	Axis			ifrs-full:RangeAxis
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1694	Basis spread on variable rate	Concept (Percent)	As Of		ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1695	Interest rate	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
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1698	Total bank and other loans, non-current	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentPortionOfNoncurrentLoansReceived
1699	42404 - Disclosure - BORROWINGS - Compliance with covenants and credit facilities (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBorrowingsComplianceWithCovenantsAndCreditFacilitiesDetails
1700	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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1704	VTB	Member			mbt:VTBBankMember
1705	Rosselhozbank	Member			mbt:RosselhozbankMember
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1711	Types of interest rates [axis]	Axis			ifrs-full:TypesOfInterestRatesAxis
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1714	CBR auction rate	Member			mbt:CentralBankOfRussiaAuctionRateMember
1715	MosPrime	Member			mbt:MoscowPrimeOfferedRateMember
1716	Range [axis]	Axis			ifrs-full:RangeAxis
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1719	Maximum	Member			ifrs-full:TopOfRangeMember
1720	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1721	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
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1725	Compliance with covenants	Abstract			mbt:ComplianceWithCovenantsAbstract
1726	Debt covenant maximum allowed amount for payment of court award	Concept (Monetary)	As Of		mbt:DebtCovenantLimitMaximumAllowedAmountPaymentOfCourtAward
1727	Debt covenant maximum number of days allowed without appeal, discharge or waive	Concept (xbrli:durationItemType)	For Period		mbt:DebtCovenantMaximumDaysAllowedForCourtAwardAppealDischargeOrWaive
1728	Notes redemption price (as a percentage of principal)	Concept (Percent)	For Period		mbt:IfrsDebtInstrumentRedemptionPricePercentage
1729	Available credit facilities	Abstract			mbt:AvailableCreditFacilitiesAbstract
1730	Total available unused credit facilities	Concept (Monetary)	As Of	Credit	ifrs-full:UndrawnBorrowingFacilities
1731	Interest rate	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
1732	Basis spread on variable rate	Concept (Percent)	As Of		ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1733	Number of days for repayment of credit facility	Concept (xbrli:durationItemType)	For Period		mbt:CreditFacilityRepaymentPeriod
1734	42405 - Disclosure - BORROWINGS - Maturities of principal on notes and bank loans (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBorrowingsMaturitiesOfPrincipalOnNotesAndBankLoansDetails
1735	Disclosure of maturity analysis for non-derivative financial liabilities [table]	Table	*	*	ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable
1736	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
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1738	Notes	Member			mbt:NotesMember
1739	Bank loans and other debt	Member			mbt:BankLoansAndOtherDebtMember
1740	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1741	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1742	2019	Member			ifrs-full:NotLaterThanOneYearMember
1743	2020	Member			ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1744	2021	Member			ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1745	2022	Member			ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1746	2023	Member			ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1747	Thereafter	Member			ifrs-full:LaterThanFiveYearsMember
1748	Scheduled Debt Principal Repayments	LineItems			ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems
1749	Contractual undiscounted cash flows	Concept (Monetary)	As Of	Credit	ifrs-full:BankBorrowingsUndiscountedCashFlows
1750	Less: unamortized debt issuance costs	Concept (Monetary)	As Of	Debit	mbt:IfrsUnamortizedDebtIssuanceExpense
1751	Less: interest	Concept (Monetary)	As Of	Debit	mbt:InterestOnBorrowing
1752	Add: debt modification	Concept (Monetary)	As Of	Credit	mbt:DebtModification
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1754	42501 - Disclosure - RIGHTS-OF-USE ASSETS AND LEASE OBLIGATIONS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRightsOfUseAssetsAndLeaseObligationsDetails
1755	Disclosure of quantitative information about right-of-use assets [table]	Table	*	*	ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable
1756	Range [axis]	Axis			ifrs-full:RangeAxis
1757	Ranges [member]	Member			ifrs-full:RangesMember
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1760	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
1761	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
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1766	Administrative offices, warehouses, parking garages	Member			mbt:AdministrativeOfficesWarehousesParkingGaragesMember
1767	Vehicles	Member			ifrs-full:VehiclesMember
1768	RIGHTS-OF-USE ASSETS AND LEASE OBLIGATIONS	LineItems			ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems
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1770	42502 - Disclosure - RIGHTS-OF-USE ASSETS AND LEASE OBLIGATIONS - Net book value of rights-of-use assets (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRightsOfUseAssetsAndLeaseObligationsNetBookValueOfRightsOfUseAssetsDetails
1771	Disclosure of quantitative information about right-of-use assets [table]	Table	*	*	ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsTable
1772	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
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1775	Land and buildings	Member			ifrs-full:LandAndBuildingsMember
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1777	Exclusive rights for trademarks	Member			ifrs-full:IntangibleAssetsOtherThanGoodwillMember
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1780	Right-of-use assets	Concept (Monetary)	As Of	Debit	ifrs-full:RightofuseAssets
1781	Depreciation, right-of-use assets	Concept (Monetary)	For Period		ifrs-full:DepreciationRightofuseAssets
1782	Additions to right-of-use assets	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsToRightofuseAssets
1783	Interest expense accrued on lease liabilities	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnLeaseLiabilities
1784	Expenses recognized in respect of variable lease payments not included in lease liabilities	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities
1785	Expenses recognized in respect of variable lease payments not included in short-term liabilities	Concept (Monetary)	For Period	Debit	mbt:ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfShortTermLeases
1786	42503 - Disclosure - RIGHTS-OF-USE ASSETS AND LEASE OBLIGATIONS - Future minimum lease payments under capital leases (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRightsOfUseAssetsAndLeaseObligationsFutureMinimumLeasePaymentsUnderCapitalLeasesDetails
1787	Disclosure of finance lease and operating lease by lessee [table]	Table	*	*	ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
1788	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
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1790	Transponders	Member			mbt:TranspondersMember
1791	Network equipment	Member			mbt:NetworkEquipmentMember
1792	Automobiles	Member			mbt:IfrsAutomobilesMember
1793	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1794	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1795	2019	Member			ifrs-full:NotLaterThanOneYearMember
1796	More than 1 to 5 years	Member			ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1797	Thereafter	Member			ifrs-full:LaterThanFiveYearsMember
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1800	Less amount representing interest	Concept (Monetary)	As Of	Credit	ifrs-full:FutureFinanceChargeOnFinanceLease
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1803	Non-current portion of lease obligations	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentFinanceLeaseLiabilities
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1807	42504 - Disclosure - RIGHTS-OF-USE ASSETS AND LEASE OBLIGATIONS - Net book value of leased property, plant and equipment (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRightsOfUseAssetsAndLeaseObligationsNetBookValueOfLeasedPropertyPlantAndEquipmentDetails
1808	Disclosure of recognised finance lease as assets by lessee [table]	Table	*	*	ifrs-full:DisclosureOfRecognisedFinanceLeaseAsAssetsByLesseeTable
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1818	42601 - Disclosure - RECONCILIATION OF LIABILITIES ARISING FROM FINANCIAL ACTIVITIES (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureReconciliationOfLiabilitiesArisingFromFinancialActivitiesDetails
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1827	Payables related to repurchase of common stock	Member			mbt:PayablesRelatedToRepurchaseOfCommonStockMember
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1835	Liabilities arising from financial activities - beginning of year	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesArisingFromFinancingActivities
1836	Financing cash flows	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
1837	Operating cash flows	Concept (Monetary)	For Period	Credit	mbt:IncreaseDecreaseThroughOperatingCashFlowsLiabilitiesArisingFromFinancingActivities
1838	Acquisitions	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughObtainingOrLosingControlOfSubsidiariesOrOtherBusinessesLiabilitiesArisingFromFinancingActivities
1839	Foreign exchange movement	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
1840	Other comprehensive income	Concept (Monetary)	For Period	Credit	mbt:IncreaseDecreaseThroughOtherComprehensiveIncomeLiabilitiesArisingFromFinancingActivities
1841	Change in fair value	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities
1842	Effect of new standards on opening balance	Concept (Monetary)	For Period	Credit	mbt:IncreaseDecreaseEffectOfNewStandardsOnOpeningLiabilitiesArisingFromFinancingActivities
1843	Other changes	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities
1844	Liabilities arising from financial activities - end of year	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesArisingFromFinancingActivities
1845	42701 - Disclosure - PROVISIONS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureProvisionsDetails
1846	Disclosure of other provisions [table]	Table	*	*	ifrs-full:DisclosureOfOtherProvisionsTable
1847	Classes of other provisions [axis]	Axis			ifrs-full:ClassesOfProvisionsAxis
1848	Other provisions [member]	Member			ifrs-full:OtherProvisionsMember
1849	Tax provisions other than for income tax	Member			ifrs-full:ProvisionForTaxesOtherThanIncomeTaxMember
1850	Provision for decommissioning and restoration	Member			ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
1851	Employee bonuses and other rewards	Member			mbt:ProvisionForEmployeeBonusesAndOtherRewardsMember
1852	SEC Provision	Member			mbt:SecuritiesAndExchangeCommissionProvisionMember
1853	Other provisions	Member			ifrs-full:MiscellaneousOtherProvisionsMember
1854	PROVISIONS	LineItems			ifrs-full:DisclosureOfOtherProvisionsLineItems
1855	Changes in provisions	Abstract			ifrs-full:ReconciliationOfChangesInOtherProvisionsAbstract
1856	Provision beginning of the period	Concept (Monetary)	As Of	Credit	ifrs-full:OtherProvisions
1857	Arising during the year	Concept (Monetary)	For Period	Credit	ifrs-full:AdditionalProvisionsOtherProvisions
1858	Utilised	Concept (Monetary)	For Period	Debit	ifrs-full:ProvisionUsedOtherProvisions
1859	Discount rate adjustment and imputed interest (change in estimates)	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions
1860	Unused amounts reversed	Concept (Monetary)	For Period	Debit	ifrs-full:UnusedProvisionReversedOtherProvisions
1861	Arising due to acquisitions of subsidiaries	Concept (Monetary)	For Period	Credit	ifrs-full:AcquisitionsThroughBusinessCombinationsOtherProvisions
1862	Disposal of a subsidiary	Concept (Monetary)	For Period	Debit	ifrs-full:DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions
1863	Translation adjustments and other	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions
1864	Provision end of the period	Concept (Monetary)	As Of	Credit	ifrs-full:OtherProvisions
1865	Current	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentProvisions
1866	Non-current	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentProvisions
1867	42801 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFairValueOfFinancialInstrumentsDetails
1868	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1869	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
1870	Financial Assets [Member]	Member			ifrs-full:FinancialAssetsMember
1871	Trade and other receivables	Member			mbt:TradeAndOtherReceivablesMember
1872	Accounts receivable, related parties	Member			mbt:IfrsAccountsReceivableMember
1873	Cash and Cash equivalents	Member			mbt:IfrsCashAndCashEquivalentsMember
1874	Other financial assets	Member			mbt:OtherFinancialAssetsMember
1875	Securities held by MTS Bank	Member			mbt:SecuritiesHeldByMtsBankMember
1876	Assets in Sistema Capital trust management	Member			mbt:AssetsInSistemaCapitalTrustManagementMember
1877	Currency forwards and options not designated as hedges	Member			mbt:CurrencyForwardsAndOptionsNotDesignatedAsHedgesMember
1878	Cross-currency swaps not designated as hedges	Member			mbt:CrossCurrencySwapsNotDesignatedAsHedgesMember
1879	Cross-currency swaps designated as cash flow hedges	Member			ifrs-full:SwapContractMember
1880	Notes	Member			mbt:NotesMember
1881	Loans and receivables	Member			ifrs-full:LoansAndReceivablesCategoryMember
1882	Deposits and loans issued	Member			mbt:DepositsAndLoansIssuedMember
1883	Notes	Member			mbt:NotesLoansAndReceivablesMember
1884	Other	Member			mbt:OtherLoansAndReceivablesMember
1885	Categories of financial assets [axis]	Axis			ifrs-full:CategoriesOfFinancialAssetsAxis
1886	Financial Assets Category [Member]	Member			ifrs-full:FinancialAssetsCategoryMember
1887	At fair value through profit or loss	Member			ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1888	At fair value through other comprehensive income	Member			ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1889	At amortized cost	Member			ifrs-full:FinancialAssetsAtAmortisedCostMember
1890	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
1891	Financial Liabilities [Member]	Member			ifrs-full:FinancialLiabilitiesMember
1892	Trade and other payables	Member			mbt:TradeAndOtherPayablesMember
1893	Accounts payable, related parties	Member			mbt:IfrsAccountsPayableRelatedPartiesMember
1894	Financial liabilities at amortised cost	Member			ifrs-full:FinancialLiabilitiesAtAmortisedCostMember
1895	Loans and borrowings:	Member			mbt:LoansAndBorrowingsMember
1896	Bank and other loans	Member			mbt:BankAndOtherLoansMember
1897	Lease obligations	Member			mbt:LeaseObligationsMember
1898	Notes	Member			mbt:NotesLoansAndBorrowingsMember
1899	MTS Bank deposits and liabilities	Member			mbt:MtsBankDepositsAndLiabilitiesMember
1900	Guarantee payment received	Member			mbt:GuaranteePaymentReceivedMember
1901	Other financial liabilities at fair value:	Member			ifrs-full:FinancialLiabilitiesAtFairValueMember
1902	Liabilities under option agreements	Member			ifrs-full:OptionContractMember
1903	Contingent consideration and other liabilities	Member			mbt:ContingentConsiderationAndOtherLiabilitiesMember
1904	Interest rate swaps not designated as hedges	Member			mbt:InterestRateSwapsNotDesignatedAsHedgesMember
1905	Currency forwards not designated as hedges	Member			mbt:CurrencyForwardsNotDesignatedAsHedgesMember
1906	Interest rate swaps designated as cash flow hedges	Member			mbt:InterestRateSwapsDesignatedAsCashFlowHedgesMember
1907	Cross-currency swaps designated as cash flow hedges	Member			mbt:CrossCurrencySwapsDesignatedAsCashFlowHedgesMember
1908	Categories of financial liabilities [axis]	Axis			ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1909	Financial Liabilities Category [Member]	Member			ifrs-full:FinancialLiabilitiesCategoryMember
1910	Financial liabilities at fair value through profit or loss	Member			ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember
1911	Fair value through other comprehensive income	Member			mbt:FinancialLiabilitiesAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1912	Financial instruments	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1913	Total financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
1914	Total current financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentFinancialAssets
1915	Total non-current financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssets
1916	Total financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilities
1917	Total current financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentFinancialLiabilities
1918	Total non-current financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentFinancialLiabilities
1919	42802 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair value of financial instruments (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFairValueOfFinancialInstrumentsFairValueOfFinancialInstrumentsDetails
1920	Disclosure of fair value measurement of assets and liabilities [table]	Table	*	*	mbt:DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable
1921	Levels of fair value hierarchy [axis]	Axis			ifrs-full:LevelsOfFairValueHierarchyAxis
1922	All levels of fair value hierarchy [member]	Member			ifrs-full:AllLevelsOfFairValueHierarchyMember
1923	Level 1	Member			ifrs-full:Level1OfFairValueHierarchyMember
1924	Level 2	Member			ifrs-full:Level2OfFairValueHierarchyMember
1925	Level 3	Member			ifrs-full:Level3OfFairValueHierarchyMember
1926	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
1927	Financial Assets [Member]	Member			ifrs-full:FinancialAssetsMember
1928	Sistema International Funding S.A. Bonds due in 2019	Member			mbt:SistemaInternationalFundingS.a.BondsDueIn2019Member
1929	Derivative financial instruments	Member			ifrs-full:DerivativesMember
1930	Securities held by MTS Bank	Member			mbt:SecuritiesHeldByMtsBankMember
1931	Currency forwards and options	Member			mbt:CurrencyForwardsAndOptionsContractMember
1932	Cross-currency interest rate swaps	Member			mbt:CrossCurrencyInterestRateSwapMember
1933	Assets in Sistema Capital trust management	Member			mbt:AssetsInSistemaCapitalTrustManagementMember
1934	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
1935	Financial Liabilities [Member]	Member			ifrs-full:FinancialLiabilitiesMember
1936	Derivative financial instruments	Member			ifrs-full:DerivativesMember
1937	Interest rate swaps derivative instruments	Member			ifrs-full:InterestRateSwapContractMember
1938	Cross-currency interest rate swaps	Member			mbt:CrossCurrencyInterestRateSwapMember
1939	Forward contracts	Member			ifrs-full:ForwardContractMember
1940	Liabilities under option agreements	Member			ifrs-full:OptionContractMember
1941	Liabilities under put option agreements	Member			ifrs-full:WrittenPutOptionsMember
1942	Contingent consideration	Member			mbt:ContingentConsiderationMember
1943	Fair value measurements	LineItems			mbt:DisclosureOfFairValueMeasurementsLineItems
1944	Assets	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
1945	Liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilitiesAtFairValue
1946	Net realized gains (loss)	Concept (Monetary)	For Period	Credit	mbt:GainLossOnChangeInFairValueOfLiabilitiesRealized
1947	Unrealized gains or losses	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement
1948	42803 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Put option agreement (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFairValueOfFinancialInstrumentsPutOptionAgreementDetails
1949	Disclosure of significant unobservable inputs used in fair value measurement of liabilities [table]	Table	*	*	ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable
1950	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
1951	Financial Liabilities [Member]	Member			ifrs-full:FinancialLiabilitiesMember
1952	Liabilities under put option agreements	Member			ifrs-full:WrittenPutOptionsMember
1953	Liabilities under option agreements	Member			ifrs-full:OptionContractMember
1954	Valuation techniques used in fair value measurement [axis]	Axis			ifrs-full:ValuationTechniquesUsedInFairValueMeasurementAxis
1955	Valuation techniques [member]	Member			ifrs-full:ValuationTechniquesMember
1956	Discounted cash flow technique	Member			ifrs-full:DiscountedCashFlowMember
1957	Levels of fair value hierarchy [axis]	Axis			ifrs-full:LevelsOfFairValueHierarchyAxis
1958	All levels of fair value hierarchy [member]	Member			ifrs-full:AllLevelsOfFairValueHierarchyMember
1959	Level 3	Member			ifrs-full:Level3OfFairValueHierarchyMember
1960	Range [axis]	Axis			ifrs-full:RangeAxis
1961	Ranges [member]	Member			ifrs-full:RangesMember
1962	Minimum	Member			ifrs-full:BottomOfRangeMember
1963	Maximum	Member			ifrs-full:TopOfRangeMember
1964	Weighted average	Member			ifrs-full:WeightedAverageMember
1965	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1966	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1967	MTS Armenia	Member			mbt:MtsArmeniaMember
1968	Oblachny Retail LLC	Member			mbt:OblachnyRetailLlcMember
1969	Significant unobservable inputs	LineItems			ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems
1970	Liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilitiesAtFairValue
1971	Disclosure of significant unobservable inputs used in fair value measurement of liabilities	Abstract			ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesAbstract
1972	Post-tax discount rate	Concept (Percent)	As Of		mbt:DiscountRateSignificantUnobservableInputsLiabilities
1973	Revenue growth rate	Concept (Pure)	For Period		ifrs-full:RevenueMultipleSignificantUnobservableInputsLiabilities
1974	Revenue, average amount per year	Concept (Monetary)	For Period	Debit	mbt:RevenueAmountSignificantUnobservableInputsLiabilities
1975	OIBDA margin	Concept (Percent)	As Of		mbt:MarginOfOperatingIncomeBeforeDepreciationAndAmortizationSignificantUnobservableInputsLiabilities
1976	OIBDA/EBITDA margin	Concept (Percent)	For Period		mbt:EarningsBeforeIncomeTaxDepreciationAndAmortizationSignificantUnobservableInputsLiabilities
1977	Net debt, average amount per year	Concept (Monetary)	For Period	Debit	mbt:NetDebtSignificantUnobservableInputsLiabilities
1978	42804 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Carrying value of the groups financial instruments (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFairValueOfFinancialInstrumentsCarryingValueOfGroupsFinancialInstrumentsDetails
1979	Disclosure of fair value measurement of assets [table]	Table	*	*	ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1980	Measurement [axis]	Axis			ifrs-full:MeasurementAxis
1981	Aggregated measurement [member]	Member			ifrs-full:AggregatedMeasurementMember
1982	Fair value	Member			ifrs-full:AtFairValueMember
1983	Gross amount	Member			ifrs-full:GrossCarryingAmountMember
1984	Levels of fair value hierarchy [axis]	Axis			ifrs-full:LevelsOfFairValueHierarchyAxis
1985	All levels of fair value hierarchy [member]	Member			ifrs-full:AllLevelsOfFairValueHierarchyMember
1986	Level 1	Member			ifrs-full:Level1OfFairValueHierarchyMember
1987	Level 3	Member			ifrs-full:Level3OfFairValueHierarchyMember
1988	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
1989	Financial Liabilities [Member]	Member			ifrs-full:FinancialLiabilitiesMember
1990	Notes	Member			mbt:NotesMember
1991	Bank and other loans	Member			mbt:BankAndOtherLoansMember
1992	Fair value measurements of assets	LineItems			ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
1993	Fair value	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilitiesAtFairValue
1994	Carrying value	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilities
1995	Transfer of assets at fair value from level 2 to level 1	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets
1996	Assets transfers into Level 3 fair value measurements	Concept (Monetary)	For Period	Debit	ifrs-full:TransfersIntoLevel3OfFairValueHierarchyAssets
1997	Assets transfers out of Level 3 fair value measurements	Concept (Monetary)	For Period	Credit	ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyAssets
1998	Transfer of liabilities at fair value from level 1 to level 2	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyLiabilities
1999	Transfer of liabilities at fair value from level 2 to level 1	Concept (Monetary)	For Period		ifrs-full:TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities
2000	Liabilities transfers into Level 3 fair value measurements	Concept (Monetary)	For Period	Credit	ifrs-full:TransfersIntoLevel3OfFairValueHierarchyLiabilities
2001	Liabilities transfers out of Level 3 fair value measurements	Concept (Monetary)	For Period	Debit	ifrs-full:TransfersOutOfLevel3OfFairValueHierarchyLiabilities
2002	Transfers in and out of categories of financial instruments	Concept (Monetary)	For Period	Debit	mbt:TransfersIntoAndOutOfCategoriesOfFinancialInstruments
2003	42901 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Bank deposits and loans to customers (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesBankDepositsAndLoansToCustomersDetails
2004	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
2005	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
2006	Financial Assets [Member]	Member			ifrs-full:FinancialAssetsMember
2007	Bank deposits and loans	Member			mbt:BankDepositsAndLoansMember
2008	Loans to customers	Member			mbt:LoansToCustomersMember
2009	Due from banks	Member			mbt:DueFromBanksMember
2010	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2011	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
2012	Gross amount	Member			ifrs-full:GrossCarryingAmountMember
2013	Accumulated impairment	Member			ifrs-full:AccumulatedImpairmentMember
2014	BANK FINANCIAL ASSETS AND LIABILITIES	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
2015	Bank deposits and loans to customers	Abstract			mbt:BankDepositsAndLoansToCustomersAbstract
2016	Total bank deposits and loans to customers, net	Concept (Monetary)	As Of	Debit	mbt:BankDepositsAndLoans
2017	Less: current portion	Concept (Monetary)	As Of	Debit	mbt:ShortTermBankDepositsAndLoans
2018	Bank deposits and loans to customers, non-current	Concept (Monetary)	As Of	Debit	mbt:NoncurrentBankDepositsAndLoans
2019	42902 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Structure and amounts of bank loans to customers (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesStructureAndAmountsOfBankLoansToCustomersDetails
2020	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
2021	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
2022	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
2023	Loans to legal entities	Member			mbt:LoansToLegalEntitiesMember
2024	Corporations	Member			ifrs-full:CorporateLoansMember
2025	Medium-sized enterprises and small businesses	Member			mbt:MediumSizedEnterprisesAndSmallBusinessesLoansMember
2026	Loans to individuals	Member			mbt:LoansToIndividualsMember
2027	Mortgage loans	Member			ifrs-full:MortgagesMember
2028	Consumer loans	Member			ifrs-full:ConsumerLoansMember
2029	Credit cards	Member			mbt:CreditCardsMember
2030	Other	Member			mbt:OtherLoansToIndividualsMember
2031	Due from banks	Member			mbt:DueFromBanksMember
2032	Time deposits with banks	Member			mbt:TimeDepositsMember
2033	Obligatory reserves with the Central Bank of Russia	Member			mbt:ObligatoryReservesWithCentralBankMember
2034	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2035	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
2036	Gross amount	Member			ifrs-full:GrossCarryingAmountMember
2037	Accumulated impairment	Member			ifrs-full:AccumulatedImpairmentMember
2038	BANK FINANCIAL ASSETS AND LIABILITIES	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
2039	Loans and advances to customers	Concept (Monetary)	As Of	Debit	ifrs-full:LoansAndAdvancesToCustomers
2040	Bank Deposits and Loans	Concept (Monetary)	As Of	Debit	mbt:BankDepositsAndLoans
2041	42903 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Carrying value of loans to customers aggregated by types of collateral (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesCarryingValueOfLoansToCustomersAggregatedByTypesOfCollateralDetails
2042	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
2043	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
2044	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
2045	Loans collateralized by guaranties	Member			mbt:LoansCollateralizedByGuarantiesMember
2046	Loans collateralized by pledge of real estate	Member			mbt:LoansCollateralizedByPledgeOfRealEstateMember
2047	Loans collateralized by pledge of own promissory notes	Member			mbt:LoansCollateralizedByPledgeOfOwnPromissoryNotesMember
2048	Loans collateralized by pledge of equipment	Member			mbt:LoansCollateralizedByPledgeOfEquipmentMember
2049	Loans collateralized by securities	Member			mbt:LoansCollateralizedBySecuritiesMember
2050	Loans collateralized by rights of claim	Member			mbt:LoansCollateralizedByRightsOfClaimMember
2051	Loans collateralized by pledge of inventories	Member			mbt:LoansCollateralizedByPledgeOfInventoriesMember
2052	Unsecured loans	Member			mbt:UnsecuredLoansMember
2053	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2054	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
2055	Gross amount	Member			ifrs-full:GrossCarryingAmountMember
2056	Accumulated impairment	Member			ifrs-full:AccumulatedImpairmentMember
2057	BANK FINANCIAL ASSETS AND LIABILITIES	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
2058	Loans to customers	Concept (Monetary)	As Of	Debit	ifrs-full:LoansAndAdvancesToCustomers
2059	42904 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Movements in the allowance for impairment losses attributable to bank deposits and loans (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesMovementsInAllowanceForImpairmentLossesAttributableToBankDepositsAndLoansDetails
2060	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
2061	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
2062	Financial Assets [Member]	Member			ifrs-full:FinancialAssetsMember
2063	Bank deposits and loans	Member			mbt:BankDepositsAndLoansMember
2064	Loans to customers	Member			mbt:LoansToCustomersMember
2065	Due from banks	Member			mbt:DueFromBanksMember
2066	BANK FINANCIAL ASSETS AND LIABILITIES	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
2067	Movements in the allowance for impairment losses attributable to bank deposits and loans to customers	Abstract			ifrs-full:ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract
2068	Beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2069	Provision charge	Concept (Monetary)	For Period		ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
2070	Provision release	Concept (Monetary)	For Period	Debit	mbt:ReleaseAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
2071	Recovery of bad debt written-off	Concept (Monetary)	For Period		ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets
2072	Bad debt written-off	Concept (Monetary)	For Period	Debit	ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets
2073	Foreign currency revaluation effect	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets
2074	Ending Balance	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2075	42905 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Movements in provision for impairment losses on loans (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesMovementsInProvisionForImpairmentLossesOnLoansDetails
2076	Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable
2077	Type of measurement of expected credit losses [axis]	Axis			ifrs-full:TypeOfMeasurementOfExpectedCreditLossesAxis
2078	Type of measurement of expected credit losses [member]	Member			ifrs-full:TypeOfMeasurementOfExpectedCreditLossesMember
2079	12-month ECL	Member			ifrs-full:TwelvemonthExpectedCreditLossesMember
2080	Lifetime ECL	Member			ifrs-full:LifetimeExpectedCreditLossesMember
2081	Credit impairment of financial instruments [axis]	Axis			ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
2082	Credit impairment of financial instruments [member]	Member			ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
2083	Not credit impaired	Member			ifrs-full:FinancialInstrumentsNotCreditimpairedMember
2084	Impaired	Member			ifrs-full:FinancialInstrumentsCreditimpairedMember
2085	POCI	Member			ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
2086	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2087	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
2088	Accumulated impairment	Member			ifrs-full:AccumulatedImpairmentMember
2089	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
2090	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
2091	Loans to legal entities	Member			mbt:LoansToLegalEntitiesMember
2092	Loans to individuals	Member			mbt:LoansToIndividualsMember
2093	Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments	LineItems			ifrs-full:DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems
2094	Beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2095	- Transfer to stage 1	Concept (Monetary)	For Period	Debit	mbt:IncreaseDecreaseThroughTransfersToStage1FinancialAssets
2096	- Transfer to stage 2	Concept (Monetary)	For Period	Debit	mbt:IncreaseDecreaseThroughTransfersToStage2FinancialAssets
2097	- Transfer to stage 3	Concept (Monetary)	For Period	Debit	mbt:IncreaseDecreaseThroughTransfersToStage3FinancialAssets
2098	New financial assets originated or purchased	Concept (Monetary)	For Period		ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
2099	Change due to change of credit risk	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAssets
2100	Write-offs	Concept (Monetary)	For Period	Debit	ifrs-full:UtilisationAllowanceAccountForCreditLossesOfFinancialAssets
2101	Recovery of previously written-off assets	Concept (Monetary)	For Period		ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets
2102	Foreign exchange difference	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets
2103	Ending Balance	Concept (Monetary)	As Of	Credit	ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets
2104	42906 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Information on quality of loans to individuals and legal entities (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesInformationOnQualityOfLoansToIndividualsAndLegalEntitiesDetails
2105	Disclosure of financial assets [table]	Table	*	*	ifrs-full:DisclosureOfFinancialAssetsTable
2106	Credit impairment of financial instruments [axis]	Axis			ifrs-full:CreditImpairmentOfFinancialInstrumentsAxis
2107	Credit impairment of financial instruments [member]	Member			ifrs-full:CreditImpairmentOfFinancialInstrumentsMember
2108	Stage 1	Member			mbt:StageOneMember
2109	Stage 2	Member			mbt:StageTwoMember
2110	Stage 3	Member			mbt:StageThreeMember
2111	POCI	Member			ifrs-full:FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember
2112	Internal credit grades [axis]	Axis			ifrs-full:InternalCreditGradesAxis
2113	Entity's total for internal credit grades [member]	Member			ifrs-full:EntitysTotalForInternalCreditGradesMember
2114	Low to fair risk	Member			mbt:InternalCreditGradeLowToFairRiskMember
2115	Monitoring	Member			mbt:InternalCreditGradeMonitoringMember
2116	Impaired	Member			ifrs-full:FinancialInstrumentsCreditimpairedMember
2117	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2118	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
2119	Gross amount	Member			ifrs-full:GrossCarryingAmountMember
2120	Accumulated impairment	Member			ifrs-full:AccumulatedImpairmentMember
2121	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
2122	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
2123	Loans to individuals	Member			mbt:LoansToIndividualsMember
2124	Loans to legal entities	Member			mbt:LoansToLegalEntitiesMember
2125	BANK FINANCIAL ASSETS AND LIABILITIES	LineItems			ifrs-full:DisclosureOfFinancialAssetsLineItems
2126	Loans to customers	Concept (Monetary)	As Of	Debit	ifrs-full:LoansAndAdvancesToCustomers
2127	42907 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Information of credit quality of loans (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesInformationOfCreditQualityOfLoansDetails
2128	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
2129	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
2130	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
2131	Loans to individuals	Member			mbt:LoansToIndividualsMember
2132	Medium-sized enterprises and small businesses	Member			mbt:MediumSizedEnterprisesAndSmallBusinessesLoansMember
2133	Method of assessment of expected credit losses [axis]	Axis			ifrs-full:MethodOfAssessmentOfExpectedCreditLossesAxis
2134	Method of assessment of expected credit losses [member]	Member			ifrs-full:MethodOfAssessmentOfExpectedCreditLossesMember
2135	Collectively assessed	Member			ifrs-full:ExpectedCreditLossesCollectivelyAssessedMember
2136	Individually assessed	Member			ifrs-full:ExpectedCreditLossesIndividuallyAssessedMember
2137	Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]	Axis			ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
2138	Carrying amount [member]	Member			ifrs-full:CarryingAmountMember
2139	Gross amount	Member			ifrs-full:GrossCarryingAmountMember
2140	Accumulated impairment	Member			ifrs-full:AccumulatedImpairmentMember
2141	Past due status [axis]	Axis			ifrs-full:PastDueStatusAxis
2142	Past due status [member]	Member			ifrs-full:PastDueStatusMember
2143	Not past due	Member			mbt:NotPastDueMember
2144	Up to 30 days	Member			ifrs-full:NotLaterThanOneMonthMember
2145	31 - 60 days past due	Member			ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
2146	60 - 90 days past due	Member			ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
2147	91 to 180 days	Member			ifrs-full:LaterThanThreeMonthsAndNotLaterThanSixMonthsMember
2148	over 180 days	Member			ifrs-full:LaterThanSixMonthsMember
2149	Credit quality of loans	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
2150	Net loans	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
2151	Provision for impairment to gross loans	Concept (Percent)	As Of		mbt:PercentageOfProvisionForImpairmentToGrossLoans
2152	42908 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Structure and amounts of current and non current bank deposits and liabilities (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesStructureAndAmountsOfCurrentAndNonCurrentBankDepositsAndLiabilitiesDetails
2153	Implied Table	Table	*	*	implied:Table
2154	BANK FINANCIAL ASSETS AND LIABILITIES	Abstract			mbt:BankFinancialAssetsAndLiabilitiesAbstract
2155	Customer accounts	Concept (Monetary)	As Of	Credit	ifrs-full:DepositsFromCustomers
2156	Due to banks and other financial institutions	Concept (Monetary)	As Of	Credit	ifrs-full:BankAcceptanceLiabilities
2157	Debt securities issued	Concept (Monetary)	As Of	Credit	ifrs-full:DebtSecurities
2158	Financial liabilities at fair value through profit or loss	Concept (Monetary)	As Of	Credit	mbt:BankFinancialLiabilitiesAtFairValueThroughProfitOrLoss
2159	Other financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:OtherFinancialLiabilities
2160	Loans from banks and other financial institutions	Concept (Monetary)	As Of	Credit	ifrs-full:BankAcceptanceLiabilities
2161	Total bank deposits and liabilities	Concept (Monetary)	As Of	Credit	mbt:BankDepositsAndLiabilities
2162	Less: current portion	Concept (Monetary)	As Of	Credit	mbt:CurrentBankDepositsAndLiabilities
2163	Total bank deposits and liabilities, non-current	Concept (Monetary)	As Of	Credit	mbt:NonCurrentBankDepositsAndLiabilities
2164	42909 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Structure and amounts of customer accounts and (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesStructureAndAmountsOfCustomerAccountsAndDetails
2165	Disclosure of financial liabilities [table]	Table	*	*	ifrs-full:DisclosureOfFinancialLiabilitiesTable
2166	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
2167	Financial Liabilities [Member]	Member			ifrs-full:FinancialLiabilitiesMember
2168	Legal entities - Current/settlement accounts	Member			mbt:LegalEntitiesCurrentSettlementAccountsMember
2169	Legal entities - Term deposits	Member			mbt:LegalEntitiesTermDepositsMember
2170	Individuals - Current/settlement accounts	Member			mbt:IndividualsCurrentSettlementAccountsMember
2171	Individuals - Term deposits	Member			mbt:IndividualsTermDepositsMember
2172	BANK FINANCIAL ASSETS AND LIABILITIES	LineItems			ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
2173	Customer accounts	Concept (Monetary)	As Of	Credit	ifrs-full:DepositsFromCustomers
2174	42910 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Structure and amounts of due to banks and loans under repurchase agreement (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesStructureAndAmountsOfDueToBanksAndLoansUnderRepurchaseAgreementDetails
2175	Disclosure of financial liabilities [table]	Table	*	*	ifrs-full:DisclosureOfFinancialLiabilitiesTable
2176	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
2177	Financial Liabilities [Member]	Member			ifrs-full:FinancialLiabilitiesMember
2178	Loans under repurchase agreements	Member			mbt:LoansUnderRepurchaseAgreementsMember
2179	Loans and term deposits from banks and other financial institutions	Member			mbt:LoansAndTermDepositsFromBanksAndOtherFinancialInstitutionsMember
2180	Correspondent accounts of other banks	Member			mbt:CorrespondentAccountsOfOtherBanksMember
2181	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
2182	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
2183	Securities	Member			mbt:SecuritiesMember
2184	Subordinated securities loan	Member			mbt:SubordinatedSecuritiesLoanMember
2185	Subordinated Debt [Member]	Member			us-gaap:SubordinatedDebtMember
2186	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2187	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2188	MTS Bank	Member			mbt:MTSBankMember
2189	Disclosure of financial liabilities [line items]	LineItems			ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
2190	Total due to banks	Concept (Monetary)	As Of	Credit	ifrs-full:BankAcceptanceLiabilities
2191	Collateral	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
2192	Subordinated debt	Concept (Monetary)	As Of	Credit	ifrs-full:SubordinatedLiabilities
2193	42911 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Group's liquidity analysis for its derivative financial instruments (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesGroupSLiquidityAnalysisForItsDerivativeFinancialInstrumentsDetails
2194	Disclosure of maturity analysis for financial assets held for managing liquidity risk [table]	Table	*	*	ifrs-full:DisclosureOfMaturityAnalysisForFinancialAssetsHeldForManagingLiquidityRiskTable
2195	Maturity [axis]	Axis			ifrs-full:MaturityAxis
2196	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
2197	Up to 30 days	Member			ifrs-full:NotLaterThanOneMonthMember
2198	1 month to 3 months	Member			ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
2199	3 months to 1 year	Member			ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
2200	More than 1 to 5 years	Member			ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2201	Thereafter	Member			ifrs-full:LaterThanFiveYearsMember
2202	Maturity undefined	Member			mbt:MaturityUndefinedMember
2203	Types of interest rates [axis]	Axis			ifrs-full:TypesOfInterestRatesAxis
2204	Interest rate types [member]	Member			ifrs-full:InterestRateTypesMember
2205	Fixed interest rate risk	Member			ifrs-full:FixedInterestRateMember
2206	Non-interest bearing financial instruments	Member			mbt:NonInterestBearingInstrumentsMember
2207	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
2208	Financial Assets [Member]	Member			ifrs-full:FinancialAssetsMember
2209	Cash and Cash equivalents	Member			mbt:IfrsCashAndCashEquivalentsMember
2210	Financial assets at fair value through profit or loss	Member			ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember
2211	Due from banks	Member			mbt:DueFromBanksMember
2212	Currency forwards and options not designated as hedges	Member			mbt:CurrencyForwardsAndOptionsNotDesignatedAsHedgesMember
2213	Loans to customers	Member			mbt:LoansToCustomersMember
2214	Investment securities	Member			mbt:InvestmentSecuritiesMember
2215	Other financial assets	Member			mbt:OtherFinancialAssetsMember
2216	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
2217	Financial Liabilities [Member]	Member			ifrs-full:FinancialLiabilitiesMember
2218	Currency forwards and options not designated as hedges	Member			mbt:CurrencyForwardsAndOptionsNotDesignatedAsHedgesMember
2219	Obligation to deliver securities	Member			mbt:ObligationToDeliverSecuritiesMember
2220	Due to banks and other financial institutions	Member			mbt:DueToBanksAndOtherFinancialInstitutionsMember
2221	Customer accounts	Member			mbt:CustomerAccountsMember
2222	Debt securities issued	Member			ifrs-full:DebtSecuritiesMember
2223	Other financial liabilities	Member			mbt:OtherFinancialLiabilitiesMember
2224	Lease obligations	Member			ifrs-full:LeaseLiabilitiesMember
2225	Intercompany balances	Member			mbt:IntercompanyBalancesMember
2226	Group's liquidity analysis for its derivative financial instruments	LineItems			ifrs-full:DisclosureOfMaturityAnalysisForFinancialAssetsHeldForManagingLiquidityRiskLineItems
2227	Financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsHeldForManagingLiquidityRisk
2228	Financial liabilities	Concept (Monetary)	As Of	Credit	mbt:NonDerivativeFinancialLiabilitiesAndCommitments
2229	Liquidity gap	Concept (Monetary)	As Of	Debit	mbt:LiquidityGap
2230	Stable source of funding	Concept (Monetary)	As Of	Debit	mbt:StableSourceOfFunding
2231	Net liquidity gap	Concept (Monetary)	As Of	Debit	mbt:NetLiquidityGap
2232	Cumulative liquidity gap	Concept (Monetary)	For Period	Debit	mbt:CumulativeLiquidityGap
2233	Cumulative interest sensitivity gap	Concept (Monetary)	As Of	Debit	mbt:CumulativeInterestSensitivityGap
2234	42912 - Disclosure - BANK FINANCIAL ASSETS AND LIABILITIES - Group's remaining contractual maturity for its non-derivative financial liabilities (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureBankFinancialAssetsAndLiabilitiesGroupSRemainingContractualMaturityForItsNonDerivativeFinancialLiabilitiesDetails
2235	Disclosure of maturity analysis for non-derivative financial liabilities [table]	Table	*	*	ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable
2236	Maturity [axis]	Axis			ifrs-full:MaturityAxis
2237	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
2238	Up to 30 days	Member			ifrs-full:NotLaterThanOneMonthMember
2239	1 month to 3 months	Member			ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
2240	3 months to 1 year	Member			ifrs-full:LaterThanThreeMonthsAndNotLaterThanOneYearMember
2241	More than 1 to 5 years	Member			ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
2242	Thereafter	Member			ifrs-full:LaterThanFiveYearsMember
2243	Types of interest rates [axis]	Axis			ifrs-full:TypesOfInterestRatesAxis
2244	Interest rate types [member]	Member			ifrs-full:InterestRateTypesMember
2245	Fixed interest rate risk	Member			ifrs-full:FixedInterestRateMember
2246	Non-interest bearing financial instruments	Member			mbt:NonInterestBearingInstrumentsMember
2247	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
2248	Financial Liabilities [Member]	Member			ifrs-full:FinancialLiabilitiesMember
2249	Financial liabilities at fair value through profit or loss	Member			ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember
2250	Due to banks	Member			mbt:DueToBanksMember
2251	Customer accounts	Member			mbt:CustomerAccountsMember
2252	Debt securities issued	Member			ifrs-full:DebtSecuritiesMember
2253	Other financial liabilities	Member			mbt:OtherFinancialLiabilitiesMember
2254	Intercompany balances	Member			mbt:IntercompanyBalancesMember
2255	Analysis of the liquidity and interest rate risks	LineItems			ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems
2256	Financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows
2257	Weighted average interest rate	Concept (Percent)	For Period		mbt:NonDerivativeFinancialLiabilitiesUndiscountedCashFlowsWeightedAverageInterestRate
2258	Guaranties issued to customer	Concept (Monetary)	As Of	Credit	mbt:GuarantiesIssuedToCustomer
2259	43001 - Disclosure - FINANCIAL RISK MANAGEMENT - Interest rate risks (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinancialRiskManagementInterestRateRisksDetails
2260	Disclosure of nature and extent of risks arising from financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2261	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
2262	Risks [member]	Member			ifrs-full:TypesOfRisksMember
2263	Interest rate	Member			ifrs-full:InterestRateRiskMember
2264	Variable interest rate risk	Member			ifrs-full:FloatingInterestRateMember
2265	Fixed interest rate risk	Member			ifrs-full:FixedInterestRateMember
2266	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
2267	Financial Assets [Member]	Member			ifrs-full:FinancialAssetsMember
2268	Interest rate swaps derivative instruments	Member			ifrs-full:InterestRateSwapContractMember
2269	FINANCIAL RISK MANAGEMENT	LineItems			ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2270	Minimum capital adequacy ratio as per CBR requirements	Concept (Percent)	As Of		mbt:MinimumCapitalAdequacyRatio
2271	MTS Bank's capital adequacy ratio as per CBR requirements	Concept (Percent)	As Of		mbt:CapitalAdequacyRatioAsPerCbrRequirements
2272	Minimum capital adequacy ratio as per Basel Capital Accord (Basel 1) - Total capital	Concept (Percent)	As Of		mbt:TotalCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
2273	Minimum capital adequacy ratio as per Basel Capital Accord (Basel 1) - Tier 1 capital	Concept (Percent)	As Of		mbt:TierOneCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
2274	MTS Bank's capital adequacy ratio as per Basel 1 requirements - Total capital	Concept (Percent)	As Of		mbt:TotalCapitalToRiskWeightedAssets
2275	MTS Bank's capital adequacy ratio as per Basel 1 requirements - Tier 1 capital	Concept (Percent)	As Of		mbt:TierOneCapitalToRiskWeightedAssets
2276	Percentage of the Group's hedged bank loans covered by swap agreements	Concept (Percent)	For Period		mbt:PercentageDebtOutstandingWithInterestRateExposure
2277	Notional amount	Concept (Monetary)	As Of		ifrs-full:NotionalAmount
2278	43002 - Disclosure - FINANCIAL RISK MANAGEMENT - Sensitivity analysis (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinancialRiskManagementSensitivityAnalysisDetails
2279	Disclosure of nature and extent of risks arising from financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2280	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
2281	Risks [member]	Member			ifrs-full:TypesOfRisksMember
2282	Interest rate	Member			ifrs-full:InterestRateRiskMember
2283	Increase in short term interest rate	Member			mbt:InterestRateAppreciationRiskMember
2284	Decrease in short term interest rate	Member			mbt:InterestRateDepreciationRiskMember
2285	FINANCIAL RISK MANAGEMENT	LineItems			ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2286	Reasonably possible increase in short term interest rates	Concept (Percent)	As Of		mbt:PercentageOfReasonablyPossibleIncreaseInRiskAssumption
2287	Reasonably possible decrease in short term interest rates	Concept (Percent)	As Of		mbt:PercentageOfReasonablyPossibleDecreaseInRiskAssumption
2288	Increases of interest expense due to increase in risk	Concept (Monetary)	For Period		mbt:IncreaseDecreaseInInterestExpenseDueToReasonablyPossibleIncreaseInDesignatedRiskComponent
2289	Decreases of finance cost due to decrease in risk	Concept (Monetary)	As Of		mbt:IncreaseDecreaseInFinanceCostsDueToReasonablyPossibleDecreaseInDesignatedRiskComponent
2290	43003 - Disclosure - FINANCIAL RISK MANAGEMENT - Foreign currency risks (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinancialRiskManagementForeignCurrencyRisksDetails
2291	Disclosure of nature and extent of risks arising from financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable
2292	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
2293	Risks [member]	Member			ifrs-full:TypesOfRisksMember
2294	Foreign currency	Member			ifrs-full:CurrencyRiskMember
2295	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
2296	Financial Assets [Member]	Member			ifrs-full:FinancialAssetsMember
2297	Cross currency swap agreements	Member			ifrs-full:CurrencySwapContractMember
2298	Forward contracts	Member			ifrs-full:ForwardContractMember
2299	FINANCIAL RISK MANAGEMENT	LineItems			ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
2300	Percentage of USD- and Euro- denominated Notes and bank loans outstanding hedged for exposure to currency rate risk	Concept (Percent)	For Period		mbt:PercentageNotesAndLoansHedgedForCurrencyExchangeRateRiskExposure
2301	Notionals related to interest rate derivative instruments	Concept (Monetary)	As Of		ifrs-full:NotionalAmount
2302	Gain (loss) recognized in consolidated statement of profit and loss	Concept (Monetary)	For Period	Credit	ifrs-full:GainLossOnHedgeIneffectivenessRecognisedInProfitOrLoss
2303	43004 - Disclosure - FINANCIAL RISK MANAGEMENT - Foreign currency risks - effect of swap agreements on AOCI (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinancialRiskManagementForeignCurrencyRisksEffectOfSwapAgreementsOnAociDetails
2304	Disclosure of information about amounts that affected statement of comprehensive income as result of hedge accounting [table]	Table	*	*	ifrs-full:DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingTable
2305	Types of hedges [axis]	Axis			ifrs-full:TypesOfHedgesAxis
2306	Hedges [member]	Member			ifrs-full:TypesOfHedgesMember
2307	Cash flow hedges	Member			ifrs-full:CashFlowHedgesMember
2308	Effect of the Group's swap agreements designated as cash flow hedges in accumulated other comprehensive income	LineItems			ifrs-full:DisclosureOfInformationAboutAmountsThatAffectedStatementOfComprehensiveIncomeAsResultOfHedgeAccountingLineItems
2309	Accumulated derivatives income / (loss) beginning of the year, net of tax of 85 and (26) and 261, respectively	Concept (Monetary)	As Of	Credit	ifrs-full:AccumulatedOtherComprehensiveIncome
2310	Fair value adjustments on hedging derivatives, net of tax of 840 and (628) and (2,279), respectively	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax
2311	Amounts reclassified to profit for the year during the period - forecast transaction no longer expected to occur, net of tax of (126) and nil and nil, respectively	Concept (Monetary)	For Period	Debit	mbt:ReclassificationAdjustmentsOnCashFlowHedgesForecastTransactionNetOfTax
2312	Amounts reclassified to (profit) / loss for the year during the period - hedged item has affected profit or loss, net of tax of (740) and 739 and 1,992, respectively	Concept (Monetary)	For Period	Debit	ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax
2313	Accumulated derivatives income / (loss), end of the year, net of tax of 59 and 85 and (26), respectively	Concept (Monetary)	As Of	Credit	ifrs-full:AccumulatedOtherComprehensiveIncome
2314	Tax effect relating to accumulated derivatives income / (loss)	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
2315	Tax on fair value adjustments on hedging derivatives	Concept (Monetary)	For Period	Debit	mbt:IncomeTaxRelatingToFairValueAdjustmentsOnCashFlowHedgesOfOtherComprehensiveIncome
2316	Tax on amounts reclassified to profit for the year during the period - forecast transaction no longer expected to occur	Concept (Monetary)	For Period	Debit	mbt:IncomeTaxRelatingToAmountsReclassifiedToProfitLossForecastTransactionCashFlowHedgesOfOtherComprehensiveIncome
2317	Tax on amounts reclassified to (profit) / loss for the year during the period - hedged item has affected profit or loss	Concept (Monetary)	For Period	Debit	mbt:IncomeTaxRelatingToReclassificationOnCashFlowHedgesOfOtherComprehensiveIncome
2318	43005 - Disclosure - FINANCIAL RISK MANAGEMENT - Foreign currency risks and liquidity risk (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinancialRiskManagementForeignCurrencyRisksAndLiquidityRiskDetails
2319	Disclosure of foreign currency risk exposure and sensitivity analysis [table]	Table	*	*	mbt:DisclosureOfForeignCurrencyRiskExposureAndSensitivityAnalysisTable
2320	Percentage of reasonably possible change in risk assumption [axis]	Axis			mbt:PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis
2321	Percentage of reasonably possible change in risk assumption [Domain]	Member			mbt:PercentageOfReasonablyPossibleChangeInRiskAssumptionDomain
2322	Foreign currency	Member			ifrs-full:CurrencyRiskMember
2323	Currency [Axis]	Axis			srt:CurrencyAxis
2324	All Currencies [Domain]	Member			currency:AllCurrenciesDomain
2325	USD	Member			currency:USD
2326	Euro	Member			currency:EUR
2327	Range [axis]	Axis			ifrs-full:RangeAxis
2328	Ranges [member]	Member			ifrs-full:RangesMember
2329	Minimum	Member			ifrs-full:BottomOfRangeMember
2330	Maximum	Member			ifrs-full:TopOfRangeMember
2331	Foreign currency risk exposure and sensitivity analysis	LineItems			mbt:DisclosureOfForeignCurrencyRiskExposureAndSensitivityAnalysisLineItems
2332	Increase in the currency exchange rate	Concept (Percent)	As Of		mbt:PercentageOfReasonablyPossibleIncreaseInRiskAssumption
2333	Decrease in the currency exchange rate	Concept (Percent)	As Of		mbt:PercentageOfReasonablyPossibleDecreaseInRiskAssumption
2334	Effect on profit before tax	Concept (Monetary)	As Of		mbt:IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent
2335	Effect on profit before tax	Concept (Monetary)	As Of		mbt:IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleDecreaseInDesignatedRiskComponent
2336	Liquidity risk	Abstract			mbt:LiquidityRiskAbstract
2337	Maturity of long term debt	Concept (xbrli:durationItemType)	For Period		mbt:IfrsLongTermDebtTerm
2338	Amount by which current liabilities exceed current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssetsLiabilities
2339	Availability of committed credit facilities	Concept (Monetary)	As Of	Credit	ifrs-full:UndrawnBorrowingFacilities
2340	43006 - Disclosure - FINANCIAL RISK MANAGEMENT - Credit risk and impairment credit losses on financial assets (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureFinancialRiskManagementCreditRiskAndImpairmentCreditLossesOnFinancialAssetsDetails
2341	Disclosure of credit risk exposure [table]	Table	*	*	ifrs-full:DisclosureOfCreditRiskExposureTable
2342	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
2343	Risks [member]	Member			ifrs-full:TypesOfRisksMember
2344	Credit risk	Member			ifrs-full:CreditRiskMember
2345	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
2346	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
2347	Trade and other receivables	Member			ifrs-full:TradeReceivablesMember
2348	Deposits and loans issued	Member			mbt:DepositsAndLoansIssuedMember
2349	Notes	Member			mbt:NoteReceivablesMember
2350	Securities held by MTS Bank	Member			mbt:SecuritiesHeldByMtsBankMember
2351	Assets in Sistema Capital trust management	Member			mbt:AssetsInSistemaCapitalTrustManagementMember
2352	Derivative financial instruments	Member			ifrs-full:DerivativesMember
2353	Cross currency swap agreements	Member			ifrs-full:CurrencySwapContractMember
2354	Credit risk exposure	LineItems			ifrs-full:DisclosureOfCreditRiskExposureLineItems
2355	Number of days for significant increase in credit risk	Concept (xbrli:durationItemType)	For Period		mbt:NumberOfDaysForSignificantIncreaseInCreditRisk
2356	Exposure to credit risk	Concept (Monetary)	As Of	Credit	ifrs-full:ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
2357	Collateral payments received	Concept (Monetary)	For Period	Debit	mbt:TransferOfCollateralPaymentsToMitigateCreditRisk
2358	Impairment credit losses o financial assets	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossOnFinancialAssets
2359	43101 - Disclosure - RELATED PARTIES - Transactions with related parties (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesTransactionsWithRelatedPartiesDetails
2360	Implied Table	Table	*	*	implied:Table
2361	RELATED PARTIES	Abstract			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
2362	Short-term investments	Concept (Monetary)	As Of	Debit	mbt:ShortTermInvestmentInRelatedParties
2363	Accounts receivable, current	Concept (Monetary)	As Of	Debit	mbt:CurrentReceivablesDueFromRelatedParties
2364	Accounts receivable, non-current	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivablesDueFromRelatedParties
2365	Bank loans to customers - current	Concept (Monetary)	As Of	Debit	mbt:BankLoansToCustomersAndInterbankLoansCurrentRelatedPartyTransactions
2366	Advances for property, plant and equipment	Concept (Monetary)	As Of	Debit	mbt:AdvancesForPropertyPlantAndEquipmentRelatedPartyTransactions
2367	Right-of-use assets	Concept (Monetary)	As Of	Debit	mbt:RightOfUseAssetsRelatedPartyTransactions
2368	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	mbt:CashAndCashEquivalentsRelatedPartyTransactions
2369	Bank loans to customers - non-current	Concept (Monetary)	As Of	Debit	mbt:BankLoansToCustomersAndInterbankLoansNonCurrentRelatedPartyTransactions
2370	Other investments	Concept (Monetary)	As Of	Debit	mbt:OtherInvestmentsIncludingOtherShareInvestmentsInRelatedParties
2371	Bank deposits and liabilities, current	Concept (Monetary)	As Of	Credit	mbt:BankDepositsAndLiabilitiesCurrentRelatedPartyTransactions
2372	Accounts payable	Concept (Monetary)	As Of	Credit	ifrs-full:AmountsPayableRelatedPartyTransactions
2373	Bank deposits and liabilities, non-current	Concept (Monetary)	As Of	Credit	mbt:BankDepositsAndLiabilitiesNoncurrentRelatedPartyTransactions
2374	Lease obligations, non-current	Concept (Monetary)	As Of	Credit	mbt:LeaseObligationsNonCurrentRelatedPartyTransactions
2375	Lease obligations, current	Concept (Monetary)	As Of	Credit	mbt:LeaseObligationsCurrentRelatedPartyTransactions
2376	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions
2377	Operating expenses / (income)	Concept (Monetary)	For Period	Debit	mbt:OperatingExpensesIncomeIncurredOnTransactionsWithRelatedParties
2378	Finance (income) / expenses	Concept (Monetary)	For Period	Credit	mbt:FinanceIncomeFromRelatedParties
2379	Interest expenses under lease arrangements	Concept (Monetary)	For Period	Debit	mbt:InterestExpensesUnderLeaseArrangements
2380	43102 - Disclosure - RELATED PARTIES - Accounts receivable from and accounts payable to related parties (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesAccountsReceivableFromAndAccountsPayableToRelatedPartiesDetails
2381	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2382	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2383	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2384	MTS Belarus	Member			mbt:MTSBelarusMember
2385	TelecomCapStroi	Member			mbt:TelecomcapstroiMember
2386	Moscow Business Incubator	Member			mbt:MoscowBusinessIncubatorMember
2387	Business Nedvizhimost	Member			mbt:BusinessNedvizhimostCJSCMember
2388	Sitronics	Member			mbt:SitronicsMember
2389	Zifrovoe TV	Member			mbt:ZifrovoeTVMember
2390	MTS Bank	Member			mbt:MTSBankMember
2391	Other related parties	Member			ifrs-full:OtherRelatedPartiesMember
2392	RELATED PARTIES	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2393	Impairment recognized for bad or doubtful debts from related parties	Concept (Monetary)	As Of	Credit	ifrs-full:ProvisionsForDoubtfulDebtsRelatedToOutstandingBalancesOfRelatedPartyTransaction
2394	Expenses recognized for bad or doubtful debts from related parties	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseRecognisedDuringPeriodForBadAndDoubtfulDebtsForRelatedPartyTransaction
2395	Total accounts receivable, related parties	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherReceivablesDueFromRelatedParties
2396	Less non-current portion	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentReceivablesDueFromRelatedParties
2397	Accounts receivable, current	Concept (Monetary)	As Of	Debit	mbt:CurrentReceivablesDueFromRelatedParties
2398	Total accounts payable, related parties	Concept (Monetary)	As Of	Credit	ifrs-full:AmountsPayableRelatedPartyTransactions
2399	43103 - Disclosure - RELATED PARTIES - Advances (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesAdvancesDetails
2400	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2401	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2402	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2403	Moscow Business Incubator	Member			mbt:MoscowBusinessIncubatorMember
2404	Mosdachtrest	Member			mbt:MosdachtrestMember
2405	Business Nedvizhimost	Member			mbt:BusinessNedvizhimostMember
2406	TelecomCapStroi	Member			mbt:TelecomcapstroiMember
2407	Other related parties	Member			ifrs-full:OtherRelatedPartiesMember
2408	RELATED PARTIES	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2409	Advances given for property, plant and equipment	Concept (Monetary)	As Of	Debit	mbt:AdvancesForPropertyPlantAndEquipmentRelatedPartyTransactions
2410	Purchases of property, plant and equipment, intangible assets and other assets	Concept (Monetary)	As Of	Debit	mbt:AdvancesForPurchaseOfFixedAssetsIntangibleAssetsAndOtherAssetsRelatedPartyTransactions
2411	43104 - Disclosure - RELATED PARTIES - Leases (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesLeasesDetails
2412	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2413	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2414	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2415	Business Nedvizhimost	Member			mbt:BusinessNedvizhimostMember
2416	Kronshtadt	Member			mbt:KronshtadtMember
2417	Other related parties	Member			ifrs-full:OtherRelatedPartiesMember
2418	IFRS Income Statement Location [Axis]	Axis			mbt:IfrsIncomeStatementLocationAxis
2419	IFRS Income Statement Location [Domain]	Member			mbt:IfrsIncomeStatementLocationDomain
2420	Finance costs	Member			mbt:FinanceCostMember
2421	RELATED PARTIES	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2422	Total carrying value of right-of-use assets	Concept (Monetary)	As Of	Debit	mbt:RightOfUseAssetsRelatedPartyTransactions
2423	Total lease obligations	Concept (Monetary)	As Of	Credit	mbt:LeaseObligationsRelatedPartyTransactions
2424	Less non-current portion	Concept (Monetary)	As Of	Credit	mbt:LeaseObligationsNonCurrentRelatedPartyTransactions
2425	Lease obligations, related parties - current	Concept (Monetary)	As Of	Credit	mbt:LeaseObligationsCurrentRelatedPartyTransactions
2426	Interest expense accrued on lease obligations	Concept (Monetary)	As Of	Credit	mbt:AccruedInterestExpenseLeaseObligationsRelatedPartyTransactions
2427	43105 - Disclosure - RELATED PARTIES - Bank loans to customers, interbank loans due (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesBankLoansToCustomersInterbankLoansDueDetails
2428	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2429	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2430	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
2431	MTS Bank	Member			mbt:MTSBankMember
2432	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2433	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2434	Kronshtadt	Member			mbt:KronshtadtMember
2435	Leader-Invest	Member			mbt:LeaderInvestMember
2436	Binofarm	Member			mbt:BinofarmMember
2437	Kronshtadt Technology	Member			mbt:KronshtadtTechnologyMember
2438	Sistema	Member			mbt:SistemaMember
2439	Sistema Finance	Member			mbt:SistemaFinanceMember
2440	Technology for Aviation	Member			mbt:TechnologyForAviationMember
2441	RELATED PARTIES	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
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2443	Less non-current portion	Concept (Monetary)	As Of	Debit	mbt:BankLoansToCustomersAndInterbankLoansNonCurrentRelatedPartyTransactions
2444	Bank loans due, related parties - current	Concept (Monetary)	As Of	Debit	mbt:BankLoansToCustomersAndInterbankLoansCurrentRelatedPartyTransactions
2445	43106 - Disclosure - RELATED PARTIES - Bank deposits and liabilities (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesBankDepositsAndLiabilitiesDetails
2446	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2447	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2448	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
2449	MTS Bank	Member			mbt:MTSBankMember
2450	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2451	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2452	Key management personnel of the Group and its parent	Member			ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
2453	Sistema	Member			mbt:SistemaMember
2454	Sistema Telecom Activy	Member			mbt:SistemaTelecomActivyMember
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2456	Medsi Group	Member			mbt:MedsiGroupMember
2457	Sistema Real Estate	Member			mbt:SistemaRealEstateMember
2458	CTV	Member			mbt:CTVMember
2459	Sitronics	Member			mbt:SitronicsMember
2460	Leader-Invest	Member			mbt:LeaderInvestMember
2461	Sistema-Invest	Member			mbt:SistemaInvestMember
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2465	Sistema Capital	Member			mbt:SistemaCapitalMember
2466	TelecomCapStroi	Member			mbt:TelecomcapstroiMember
2467	BF-Sistema	Member			mbt:BfSistemaMember
2468	Business Nedvizhimost	Member			mbt:BusinessNedvizhimostMember
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2475	Less non-current portion	Concept (Monetary)	As Of	Credit	mbt:BankDepositsAndLiabilitiesNoncurrentRelatedPartyTransactions
2476	Total bank deposits and liabilities - current	Concept (Monetary)	As Of	Credit	mbt:BankDepositsAndLiabilitiesCurrentRelatedPartyTransactions
2477	43107 - Disclosure - RELATED PARTIES - Investing transactions (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesInvestingTransactionsDetails
2478	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2479	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
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2483	Sistema International Funding S.A.	Member			mbt:SistemaInternationalFundingS.aMember
2484	Sistema	Member			mbt:SistemaMember
2485	Sistema Venture Capital	Member			mbt:SistemaVentureCapitalMember
2486	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
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2489	Promissory notes	Member			mbt:PromissoryNotesShortTermInvestmentsMember
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2499	43108 - Disclosure - RELATED PARTIES - Revenue and operating transactions with related parties (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesRevenueAndOperatingTransactionsWithRelatedPartiesDetails
2500	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2501	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2502	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2503	MTS Bank	Member			mbt:MTSBankMember
2504	Sitronics	Member			mbt:SitronicsMember
2505	Zifrovoe TV	Member			mbt:ZifrovoeTVMember
2506	Koncel	Member			mbt:KoncelMember
2507	Key management personnel of the Group and its parent	Member			ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
2508	Sistema-Invest	Member			mbt:SistemaInvestMember
2509	AB Safety	Member			mbt:AbSafetyMember
2510	Sistema	Member			mbt:SistemaMember
2511	Jet Air Group	Member			mbt:JetAirGroupMember
2512	MTS Belarus	Member			mbt:MTSBelarusMember
2513	Detsky Mir	Member			mbt:DetskyMirMember
2514	Medsi Group	Member			mbt:MedsiGroupMember
2515	Business Nedvizhimost	Member			mbt:BusinessNedvizhimostCJSCMember
2516	Maxima	Member			mbt:MaximaMember
2517	Other related parties	Member			ifrs-full:OtherRelatedPartiesMember
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2520	Total operating expenses / (income) incurred on transactions with related parties	Concept (Monetary)	For Period	Debit	mbt:OperatingExpensesIncomeIncurredOnTransactionsWithRelatedParties
2521	43109 - Disclosure - RELATED PARTIES - Finance income from related parties (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesFinanceIncomeFromRelatedPartiesDetails
2522	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2523	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2524	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2525	Sistema Capital	Member			mbt:SistemaCapitalMember
2526	Business Nedvizhimost	Member			mbt:BusinessNedvizhimostCJSCMember
2527	MTS Bank	Member			mbt:MTSBankMember
2528	Other related parties	Member			ifrs-full:OtherRelatedPartiesMember
2529	RELATED PARTIES	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
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2531	43110 - Disclosure - RELATED PARTIES - Additional information of related parties (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureRelatedPartiesAdditionalInformationOfRelatedPartiesDetails
2532	Disclosure of transactions between related parties [table]	Table	*	*	ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
2533	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
2534	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
2535	East-West United Bank	Member			mbt:EastWestUnitedBankMember
2536	Sistema	Member			mbt:SistemaMember
2537	Sistema International Funding S.A.	Member			mbt:SistemaInternationalFundingS.aMember
2538	Business Nedvizhimost	Member			mbt:BusinessNedvizhimostCJSCMember
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2541	Sistema Capital	Member			mbt:SistemaCapitalMember
2542	Classes of financial assets [axis]	Axis			ifrs-full:ClassesOfFinancialAssetsAxis
2543	Financial Assets [Member]	Member			ifrs-full:FinancialAssetsMember
2544	Short-term investments	Member			mbt:IfrsShortTermInvestmentsMember
2545	Sistema Notes due in 2016 (series 04)	Member			mbt:SistemaNotesDueIn2016Member
2546	Sistema International Funding S.A. Bonds due in 2019	Member			mbt:SistemaInternationalFundingS.a.BondsDueIn2019Member
2547	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
2548	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
2549	Business Nedvizhimost	Member			mbt:BusinessNedvizhimostCJSCMember
2550	RELATED PARTIES	LineItems			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
2551	Cash position with related parties	Concept (Monetary)	As Of	Debit	mbt:CashPositionWithRelatedParties
2552	Short-term deposits with related parties	Concept (Monetary)	As Of	Debit	mbt:ShortTermDepositsWithRelatedParties
2553	Investment related party notes	Concept (Monetary)	For Period		mbt:InvestmentRelatedPartyNotes
2554	Investment related party bonds	Concept (Monetary)	For Period		mbt:InvestmentRelatedPartyBonds
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2556	Proceeds received on redemption as principal and coupons	Concept (Monetary)	For Period	Debit	mbt:ProceedsReceivedOnRedemptionAsPrincipalAndCoupon
2557	Short-term investments	Concept (Monetary)	As Of	Debit	mbt:ShortTermInvestmentInRelatedParties
2558	Ownership interest sold (as a percent)	Concept (Percent)	For Period		mbt:OwnershipInterestSold
2559	Proceeds from sale of ownership interest	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations
2560	Share in joint venture	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
2561	Amount receivable	Concept (Monetary)	As Of	Debit	ifrs-full:AmountsReceivableRelatedPartyTransactions
2562	Interest rate	Concept (Percent)	For Period		mbt:AccountsReceivableInterestRate
2563	Balance of assets under trust management	Concept (Monetary)	As Of	Debit	mbt:BalanceOfAssetsUnderTrustManagement
2564	Key management remuneration	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensation
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2566	Key management remuneration as bonus	Concept (Monetary)	For Period	Debit	mbt:KeyManagementPersonnelCompensationShortTermEmployeeBenefitsAnnualIncentives
2567	Cash-settled and equity-settled share-based payments	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
2568	43201 - Disclosure - SHAREHOLDERS' EQUITY (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureShareholdersEquityDetails
2569	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
2570	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
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2573	Treasury stock	Member			ifrs-full:TreasurySharesMember
2574	ADS	Member			mbt:AmericanDepositarySharesMember
2575	Common stock and ADSs included in Tender Offer	Member			mbt:CommonStockAndAmericanDepositorySharesIncludedInTenderOfferMember
2576	Common stock and ADSs included in the Repurchase Plan	Member			mbt:CommonStockAndAmericanDepositorySharesIncludedInRepurchasePlanMember
2577	Counterparties [axis]	Axis			ifrs-full:CounterpartiesAxis
2578	Counterparties [member]	Member			ifrs-full:CounterpartiesMember
2579	Sistema	Member			mbt:SistemaMassMediaMember
2580	Sistema Finance	Member			mbt:SistemaFinanceMember
2581	Range [axis]	Axis			ifrs-full:RangeAxis
2582	Ranges [member]	Member			ifrs-full:RangesMember
2583	Minimum	Member			ifrs-full:BottomOfRangeMember
2584	Maximum	Member			ifrs-full:TopOfRangeMember
2585	Share Repurchase Program [Axis]	Axis			us-gaap:ShareRepurchaseProgramAxis
2586	Share Repurchase Program [Domain]	Member			us-gaap:ShareRepurchaseProgramDomain
2587	Repurchase Plan - approved in 2017	Member			mbt:SharesRepurchasePlan2017Member
2588	Repurchase Plan - approved in 2018	Member			mbt:SharesRepurchasePlan2018Member
2589	Shareholders' equity	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
2590	Ordinary shares authorized	Concept (Shares)	As Of		ifrs-full:NumberOfSharesAuthorised
2591	Par value (in RUB per share)	Concept (Share)	As Of		ifrs-full:ParValuePerShare
2592	Number of shares outstanding	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
2593	Ratio of ordinary shares per each ADS	Concept (Pure)	For Period		mbt:AmericanDepositorySharesRatio
2594	Number of ADSs repurchased (in shares)	Concept (Shares)	For Period		mbt:AmericanDepositorySharesIncludedInTreasuryStockShares
2595	Maximum stock repurchase amount	Concept (Monetary)	As Of	Debit	mbt:IfrsStockRepurchaseProgramMaximumAuthorisedAmount
2596	Number of shares repurchased	Concept (Shares)	For Period		mbt:IfrsStockRepurchasedDuringPeriodShares
2597	Price per share	Concept (Share)	For Period		mbt:IfrsSharePrice
2598	Purchase of treasury shares	Concept (Monetary)	For Period	Debit	ifrs-full:PurchaseOfTreasuryShares
2599	43202 - Disclosure - SHAREHOLDERS' EQUITY - Nature and purpose of reserves (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureShareholdersEquityNatureAndPurposeOfReservesDetails
2600	Disclosure of reserves within equity [table]	Table	*	*	ifrs-full:DisclosureOfReservesWithinEquityTable
2601	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
2602	Equity [member]	Member			ifrs-full:EquityMember
2603	Foreign currency translation reserve	Member			ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
2604	Cash flow hedging reserve	Member			ifrs-full:ReserveOfCashFlowHedgesMember
2605	Remeasurements of the net defined benefit liability	Member			ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember
2606	Reserves balances	LineItems			ifrs-full:DisclosureOfReservesWithinEquityLineItems
2607	Balance at beginning of the year	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
2608	Other comprehensive (loss) / income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeBeforeTax
2609	Less: tax benefit	Concept (Monetary)	For Period	Credit	mbt:OtherComprehensiveIncomeLossBeforeReclassificationsTaxEffect
2610	Amounts reclassified to profit for the year	Concept (Monetary)	For Period	Debit	mbt:OtherComprehensiveIncomeLossReclassificationsToProfitOrLoss
2611	Less: tax (expense) benefit	Concept (Monetary)	For Period	Credit	mbt:OtherComprehensiveIncomeLossAfterReclassificationsTaxEffect
2612	Amounts reclassified to additional paid in capital	Concept (Monetary)	For Period	Debit	mbt:OtherComprehensiveIncomeLossReclassificationsToAdditionalPaidInCapital
2613	Other comprehensive income / (loss) for the year, net of income tax	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
2614	Balance at end of the year	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
2615	43203 - Disclosure - SHAREHOLDERS' EQUITY - Non-controlling interest (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureShareholdersEquityNonControllingInterestDetails
2616	Disclosure of non-controlling interests [table]	Table	*	*	mbt:DisclosureOfNonControllingInterestsTable
2617	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2618	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
2619	MGTS Group	Member			mbt:MGTSGroupMember
2620	MTS Bank	Member			mbt:MtsBankSegmentMember
2621	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
2622	Equity [member]	Member			ifrs-full:EquityMember
2623	Non-controlling interests	Member			ifrs-full:NoncontrollingInterestsMember
2624	Non-controlling interest	LineItems			mbt:DisclosureOfNonControllingInterestsLineItems
2625	Non-controlling interest opening balance	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
2626	Profit for the year attributable to non-controlling interest	Concept (Monetary)	For Period	Credit	mbt:IfrsNetIncomeLossAttributableToNoncontrollingInterest
2627	Dividends to non-controlling interest	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsRecognisedAsDistributionsToNoncontrollingInterests
2628	Acquisitions under common control	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary
2629	Other	Concept (Monetary)	For Period	Debit	mbt:OtherNoncontrollingInterests
2630	Non-controlling interest closing balance	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
2631	Statement of financial position	Abstract			ifrs-full:StatementOfFinancialPositionAbstract
2632	Current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
2633	Non-current assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssets
2634	Current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
2635	Non-current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentLiabilities
2636	Income statement	Abstract			ifrs-full:StatementOfProfitOrLossAndOtherComprehensiveIncomeAbstract
2637	Revenue, gross of intercompany	Concept (Monetary)	For Period	Credit	ifrs-full:RevenueFromContractsWithCustomers
2638	Profit for the year, gross of intercompany	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
2639	43204 - Disclosure - SHAREHOLDERS' EQUITY - Dividends (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureShareholdersEquityDividendsDetails
2640	Disclosure of detailed information about dividends [table]	Table	*	*	mbt:DisclosureOfDetailedInformationAboutDividendsTable
2641	Range [axis]	Axis			ifrs-full:RangeAxis
2642	Ranges [member]	Member			ifrs-full:RangesMember
2643	Minimum	Member			ifrs-full:BottomOfRangeMember
2644	Maximum	Member			ifrs-full:TopOfRangeMember
2645	Dividends	LineItems			mbt:DisclosureOfDetailedInformationAboutDividendsLineItems
2646	Minimum cumulative dividend payout for ordinary share	Concept (Share)	For Period		mbt:MinimumCumulativeDividendPayoutForOrdinaryShare
2647	Number of semi-annual payments	Concept (Integer)	For Period		mbt:NumberOfSemiAnnualPayments
2648	Target annual payout per ordinary share	Concept (Share)	For Period		mbt:TargetPayoutForOrdinaryShare
2649	Declared cash dividends	Abstract			mbt:DividendsDeclaredCashAbstract
2650	Dividends declared (including dividends on treasury shares of 3,037, 1,337 and 220 respectively)	Concept (Monetary)	For Period	Debit	mbt:DividendsCommonStockCashIncludingDividendOnTreasuryStock
2651	Dividends declared on treasury shares	Concept (Monetary)	For Period	Debit	mbt:DividendsTreasuryStockCash
2652	Dividends, RUB per ADS	Concept (Share)	For Period		mbt:AmericanDepositoryShareDividendPerShareDeclared
2653	Dividends, RUB per share	Concept (Share)	For Period		mbt:OrdinarySharesDividendsPerShareDeclared
2654	Dividends payable	Concept (Monetary)	As Of	Credit	ifrs-full:DividendPayables
2655	43301 - Disclosure - LIABILITY UNDER PUT OPTION AGREEMENT (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureLiabilityUnderPutOptionAgreementDetails
2656	Liability Under Put Option Agreement [Table]	Table	*	*	mbt:LiabilityUnderPutOptionAgreementTable
2657	Business combinations [axis]	Axis			ifrs-full:BusinessCombinationsAxis
2658	Entity's total for business combinations [member]	Member			ifrs-full:EntitysTotalForBusinessCombinationsMember
2659	ICH	Member			mbt:InternationalCellHoldingLtdMember
2660	IFRS Type Of Arrangement [Axis]	Axis			mbt:IfrsTypeOfArrangementAxis
2661	IFRS Arrangements And Nonarrangement Transactions [Member]	Member			mbt:IfrsArrangementsAndNonarrangementTransactionsMember
2662	Call and put option agreement	Member			mbt:CallAndPutOptionAgreementMember
2663	Classes of financial liabilities [axis]	Axis			ifrs-full:ClassesOfFinancialLiabilitiesAxis
2664	Financial Liabilities [Member]	Member			ifrs-full:FinancialLiabilitiesMember
2665	Liabilities under put option agreements	Member			ifrs-full:WrittenPutOptionsMember
2666	Counterparties [axis]	Axis			ifrs-full:CounterpartiesAxis
2667	Counterparties [member]	Member			ifrs-full:CounterpartiesMember
2668	MTS Armenia	Member			mbt:MtsArmeniaMember
2669	Aramayo	Member			mbt:AramayoInvestmentsLimitedMember
2670	Liability under put option agreement	LineItems			mbt:LiabilityUnderPutOptionAgreementLineItems
2671	Stake acquired	Concept (Percent)	As Of		ifrs-full:PercentageOfVotingEquityInterestsAcquired
2672	Remaining stake to be acquired	Concept (Percent)	For Period		mbt:PercentageOfRemainingVotingEquityInterestsToBeAcquired
2673	Liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilitiesAtFairValue
2674	43401 - Disclosure - COMMITMENTS AND CONTINGENCIES - Capital commitments (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureCommitmentsAndContingenciesCapitalCommitmentsDetails
2675	IFRS Capital Commitments [Table]	Table	*	*	mbt:IfrsCapitalCommitmentsTable
2676	Counterparties [axis]	Axis			ifrs-full:CounterpartiesAxis
2677	Counterparties [member]	Member			ifrs-full:CounterpartiesMember
2678	Apple Rus LLC [Member]	Member			mbt:AppleRusLlcMember
2679	IFRS Capital Commitments [Line Items]	LineItems			mbt:IfrsCapitalCommitmentsLineItems
2680	Capital commitments	Abstract			ifrs-full:CapitalCommitmentsAbstract
2681	Capital commitment to acquire property, plant and equipment, intangible assets and related costs	Concept (Monetary)	As Of	Credit	ifrs-full:CapitalCommitments
2682	Number of iPhone handsets included in the purchase agreement	Concept (Integer)	For Period		mbt:PurchaseAgreementNumberOfIphoneHandsetsToBePurchased
2683	43402 - Disclosure - COMMITMENTS AND CONTINGENCIES - Taxation (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureCommitmentsAndContingenciesTaxationDetails
2684	Disclosure of contingent liabilities [table]	Table	*	*	ifrs-full:DisclosureOfContingentLiabilitiesTable
2685	Classes of contingent liabilities [axis]	Axis			ifrs-full:ClassesOfContingentLiabilitiesAxis
2686	Contingent liabilities [member]	Member			ifrs-full:ContingentLiabilitiesMember
2687	Contingent tax liability	Member			ifrs-full:TaxContingentLiabilityMember
2688	Additional taxes other than income tax contingent liability	Member			mbt:AdditionalTaxesOtherThanIncomeTaxContingentLiabilityMember
2689	Additional income tax contingent liability	Member			mbt:AdditionalIncomeTaxContingentLiabilityMember
2690	Taxation	LineItems			ifrs-full:DisclosureOfContingentLiabilitiesLineItems
2691	Estimated financial effect of contingent liabilities	Concept (Monetary)	As Of		ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
2692	Additional taxes, fines and penalties resulting from tax audit	Concept (Monetary)	For Period	Debit	mbt:AdditionalTaxPenaltyAndFineOnAssessment
2693	43403 - Disclosure - COMMITMENTS AND CONTINGENCIES - Licenses (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureCommitmentsAndContingenciesLicensesDetails
2694	Disclosure of detailed information about intangible assets [table]	Table	*	*	ifrs-full:DisclosureOfIntangibleAssetsTable
2695	Classes of intangible assets other than goodwill [axis]	Axis			ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
2696	Exclusive rights for trademarks	Member			ifrs-full:IntangibleAssetsOtherThanGoodwillMember
2697	LTE license	Member			ifrs-full:LTELicencesMember
2698	UMTS Licenses	Member			mbt:UmtsLicensesMember
2699	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2700	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
2701	MTS Ukraine	Member			mbt:MTSUkraineMember
2702	Vodafone Ukraine (VF Ukraine)	Member			mbt:VodafoneUkraineMember
2703	Commitments and Contingencies related to Licenses	LineItems			ifrs-full:DisclosureOfIntangibleAssetsLineItems
2704	Number of years to deploy service	Concept (xbrli:durationItemType)	For Period		mbt:NumberOfYearsToDeployService
2705	Minimum number of inhabitants for providing LTE services	Concept (Integer)	For Period		mbt:MinimumNumberOfInhabitants
2706	Minimum annual investment	Concept (Monetary)	For Period	Debit	mbt:MinimumAnnualInvestment
2707	Minimum percentage of population in each regional center	Concept (Percent)	For Period		mbt:ObligatedToDeliverLteServicesInRegionalCentreMinimumPercentageOfPopulation
2708	Maximum period obligated to deliver LTE services in regional center	Concept (xbrli:durationItemType)	For Period		mbt:MaximumPeriodObligatedToDeliverLTEServicesInRegionalCenter
2709	Minimum percentage of population in each population center	Concept (Percent)	For Period		mbt:ObligatedToDeliverLteServicesInPopulationCentreMinimumPercentageOfPopulation
2710	License cost	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
2711	Grant period (in years)	Concept (xbrli:durationItemType)	For Period		mbt:LicensePeriod
2712	Amount paid for conversion of frequencies	Concept (Monetary)	For Period	Credit	mbt:ConversionOfFrequenciesAmountPaid
2713	43404 - Disclosure - COMMITMENTS AND CONTINGENCIES - Others (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureCommitmentsAndContingenciesOthersDetails
2714	Political and economic effects [Table]	Table	*	*	mbt:PoliticalAndEconomicEffectsTable
2715	Counterparties [axis]	Axis			ifrs-full:CounterpartiesAxis
2716	Counterparties [member]	Member			ifrs-full:CounterpartiesMember
2717	Central Bank of Russia	Member			mbt:CentralBankOfRussiaMember
2718	Ukranian Bank	Member			mbt:UkranianBankMember
2719	Continuing and discontinued operations [axis]	Axis			ifrs-full:ContinuingAndDiscontinuedOperationsAxis
2720	Continuing operations [member]	Member			ifrs-full:ContinuingOperationsMember
2721	Discontinued operations	Member			ifrs-full:DiscontinuedOperationsMember
2722	UMS	Member			mbt:UmsDisposalGroupDiscontinuedOperationsMember
2723	Potential adverse effects of economic instability and sanctions	LineItems			mbt:PoliticalAndEconomicEffectsLineItems
2724	Administrative fines imposed on MTS in each antimonopoly proceeding	Concept (Monetary)	For Period	Debit	mbt:AdministrativeFinesImposedDueToViolationsRectified
2725	Key rate	Concept (Percent)	As Of		mbt:KeyRate
2726	Current accounts and deposits	Concept (Monetary)	As Of	Debit	ifrs-full:BalancesWithBanks
2727	Accrued penalty	Concept (Monetary)	As Of	Credit	mbt:AccruedPenalty
2728	Provision for penalty	Concept (Monetary)	As Of	Credit	mbt:ProvisionForPenalty
2729	43501 - Disclosure - SUBSEQUENT EVENTS (Details)	Network	*	*	http://www.mtsgsm.com/role/DisclosureSubsequentEventsDetails
2730	Disclosure of non-adjusting events after reporting period [table]	Table	*	*	ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
2731	Non-adjusting events after reporting period [axis]	Axis			ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
2732	Non-adjusting events after reporting period [member]	Member			ifrs-full:NonadjustingEventsMember
2733	Ruble bonds placement	Member			mbt:RubleBondsPlacementMember
2734	Purchase of additional stake in MTS-Bank	Member			ifrs-full:MajorBusinessCombinationMember
2735	Sale of investment in Ozon Holdings Limited	Member			mbt:SaleOfInvestmentInOzonHoldingsLimitMember
2736	Acquisition of shares under Share Repurchase Plan	Member			ifrs-full:MajorOrdinaryShareTransactionsMember
2737	Business combinations [axis]	Axis			ifrs-full:BusinessCombinationsAxis
2738	Entity's total for business combinations [member]	Member			ifrs-full:EntitysTotalForBusinessCombinationsMember
2739	MTS Bank	Member			mbt:MTSBankMember
2740	Associates [axis]	Axis			ifrs-full:SignificantInvestmentsInAssociatesAxis
2741	Entity's total for associates [member]	Member			ifrs-full:EntitysTotalForAssociatesMember
2742	OZON Holdings Ltd	Member			mbt:OzonHoldingsLtdMember
2743	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
2744	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
2745	Exchange-traded bonds	Member			mbt:ExchangeTradedBondsMember
2746	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
2747	Equity [member]	Member			ifrs-full:EquityMember
2748	Common stock	Member			ifrs-full:IssuedCapitalMember
2749	Counterparties [axis]	Axis			ifrs-full:CounterpartiesAxis
2750	Counterparties [member]	Member			ifrs-full:CounterpartiesMember
2751	Sistema	Member			mbt:SistemaMember
2752	Range [axis]	Axis			ifrs-full:RangeAxis
2753	Ranges [member]	Member			ifrs-full:RangesMember
2754	Minimum	Member			ifrs-full:BottomOfRangeMember
2755	Maximum	Member			ifrs-full:TopOfRangeMember
2756	Subsequent events	LineItems			ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
2757	Bonds issued	Concept (Monetary)	As Of	Credit	ifrs-full:BondsIssued
2758	Annual coupon rate	Concept (Percent)	For Period		mbt:AnnualCouponRateBonds
2759	Maturity of bonds	Concept (xbrli:durationItemType)	For Period		mbt:IfrsLongTermDebtTerm
2760	Ownership interest acquired (in percentage)	Concept (Percent)	As Of		ifrs-full:PercentageOfVotingEquityInterestsAcquired
2761	Consideration paid	Concept (Monetary)	For Period	Credit	ifrs-full:ConsiderationPaidReceived
2762	Ownership interest in subsidiary (as a percentage)	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInSubsidiary
2763	Proportion of ownership interest sold in associate	Concept (Percent)	For Period		mbt:ProportionOfOwnershipInterestSoldInAssociate
2764	Proceeds from disposal of ownership interest in associate	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromSalesOfInterestsInAssociates
2765	Number of shares repurchased	Concept (Shares)	For Period		mbt:IfrsStockRepurchasedDuringPeriodShares
2766	Acquisition of shares under Share Repurchase Plan (as percent)	Concept (Percent)	For Period		mbt:PercentageOfSharesAcquiredUnderRepurchasePlan