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Commitments and Contingencies - Inteltek - Additional Information (Detail) - Inteltek [member] - TRY (₺) ₺ in Thousands |  | 12 Months Ended
--- | --- | ---
Mar. 01, 2009 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of commitments and contingencies [line items] |  |  |
Commission rate | 1.40% |  |
Letter of guarantee provided to Spor Toto |  | ₺ 159,572 | ₺ 159,752
Percentage Ownership By Affiliates |  | 55.00% |
Targeted pay out percentage |  | 50.00% |
Mobile Agency Agreement [member] |  |  |
Disclosure of commitments and contingencies [line items] |  |  |
Letter of guarantee |  | ₺ 25,000 | ₺ 25,000

X
- Definition Disclosure of commitments and contingencies [line items] + References No definition available. + Details
Name: | tkc_DisclosureOfCommitmentsAndContingenciesLineItems
Namespace Prefix: | tkc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of letter of guarantee provided to Spor Toto. + References No definition available. + Details
Name: | tkc_LetterOfGuaranteeProvidedToSporToto
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition A letter of guarantee provided to Spor Toto for mobile agency agreement. + References No definition available. + Details
Name: | tkc_LettersOfGuarantee
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Payout target percentage. + References No definition available. + Details
Name: | tkc_PayoutTargetPercentage
Namespace Prefix: | tkc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Commission rate of the takings arising from the operation of the fixed odds and paramutual betting games based on sports competitions. + References No definition available. + Details
Name: | tkc_PercentageOfCommissionRateOfTakings
Namespace Prefix: | tkc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage ownership by affiliates. + References No definition available. + Details
Name: | tkc_PercentageOwnershipByAffiliates
Namespace Prefix: | tkc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_CounterpartiesAxis=tkc_InteltekMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_TypesOfContractsAxis=tkc_MobileAgencyAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |