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Significant Accounting Policies - Disclosure of Estimated Useful Lives for Intangible Asset (Detail) | 12 Months Ended
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Dec. 31, 2017
Indefeasible right of use [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 15 years
Bottom of range [member] | Transmission line software [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 5 years
Bottom of range [member] | Central betting system operating right [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 7 years
Bottom of range [member] | Customer base [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 2 years
Bottom of range [member] | Brand name [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 9 years
Bottom of range [member] | Telecommunication licenses [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 3 years
Bottom of range [member] | Computer software [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 3 years
Top of range [member] | Transmission line software [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 10 years
Top of range [member] | Central betting system operating right [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 10 years
Top of range [member] | Customer base [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 15 years
Top of range [member] | Brand name [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 10 years
Top of range [member] | Telecommunication licenses [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 25 years
Top of range [member] | Computer software [member] |
Disclosure of detailed information about intangible assets [line items] |
Useful lives intangible assets | 8 years

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

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- Definition The useful lives or amortisation rates used for intangible assets and goodwill. [Refer: Intangible assets and goodwill] + 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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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=tkc_TelecommunicationLicensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |