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Guarantees and Purchase Obligations - Additional Information (Detail) ₺ in Thousands, ₴ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 TRY (₺) | Dec. 31, 2017 UAH (₴) | Dec. 31, 2016 TRY (₺)
Disclosure of guarantees and purchase obligations [Line Items] |  |  |
Purchase commitments | ₺ 592,956 |  | ₺ 915,868
Purchase commitments settlement term | 3 years |  |
Guarantees | ₺ 4,926,916 |  | ₺ 2,370,723
Lifecell 3G License [member] |  |  |
Disclosure of guarantees and purchase obligations [Line Items] |  |  |
Purchase commitments | ₺ 29,269 | ₴ 217,793 |

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- Definition Line items represent guarantees and purchase obligations. + References No definition available. + Details
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Namespace Prefix: | tkc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Guarantees and commitments settlement term. + References No definition available. + Details
Name: | tkc_GuaranteesAndCommitmentsSettlementTerm
Namespace Prefix: | tkc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Guarantees given. + References No definition available. + Details
Name: | tkc_GuaranteesGiven
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Purchase commitments. + References No definition available. + Details
Name: | tkc_PurchaseCommitments
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |