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v3.19.1

Loans and Borrowings - Summary of Terms and Conditions of Outstanding Loans (Parenthetical) (Detail) ₺ in Thousands | Dec. 31, 2018 TRY (₺)
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Foreign currency loans [member] | Other current assets [member] | Turkcell Finansman [member] |
Disclosure of detailed information about borrowings [line items] |
Deposit amount | ₺ 204,077

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of blocked deposits held by the entity in connection with the loan utilized. + References No definition available. + Details
Name: | tkc_BlockedDeposits
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | ifrs-full_BorrowingsByNameAxis=tkc_ForeignCurrencyLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ClassesOfAssetsAxis=tkc_OtherCurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | dei_LegalEntityAxis=tkc_TurkcellFinansmanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |