XML 190 R175.htm IDEA: XBRL DOCUMENT
v3.19.1

Derivative financial instruments - Summary of Reconciliation by Risk Category of Components of Equity and Analysis of OCI Items, Net of Tax (Detail) - Interest rate risk and currency risk [member] ₺ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 TRY (₺)
Cash flow sensitivity analysis for variable rate instruments [line items] |
Effect of hundred basis points increase in profit or loss | ₺ 969,429
Effect of hundred basis points decrease in profit or loss | 9,775
Effect of hundred basis points increase in equity | (359,144)
Effect of hundred basis points decrease in equity | (254,301)
Participating cross currency swap contracts [member] |
Cash flow sensitivity analysis for variable rate instruments [line items] |
Effect of hundred basis points increase in profit or loss | 937,845
Effect of hundred basis points decrease in profit or loss | 9,455
Effect of hundred basis points increase in equity | (360,596)
Effect of hundred basis points decrease in equity | (259,066)
Cross currency swap contracts [member] |
Cash flow sensitivity analysis for variable rate instruments [line items] |
Effect of hundred basis points increase in profit or loss | 31,584
Effect of hundred basis points decrease in profit or loss | 320
Effect of hundred basis points increase in equity | 1,452
Effect of hundred basis points decrease in equity | ₺ 4,765

X
- Definition Cash flow sensitivity analysis for variable rate instruments. + References No definition available. + Details
Name: | tkc_CashFlowSensitivityAnalysisForVariableRateInstrumentsLineItems
Namespace Prefix: | tkc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Effect of hundred basis points decrease in equity. + References No definition available. + Details
Name: | tkc_EffectOfHundredBasisPointsDecreaseInEquity
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Effect of hundred basis points decrease in profit or loss. + References No definition available. + Details
Name: | tkc_EffectOfHundredBasisPointsDecreaseInProfitOrLoss
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Effect of hundred basis points increase in equity. + References No definition available. + Details
Name: | tkc_EffectOfHundredBasisPointsIncreaseInEquity
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Effect of hundred basis points increase in profit or loss. + References No definition available. + Details
Name: | tkc_EffectOfHundredBasisPointsIncreaseInProfitOrLoss
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=tkc_InterestRateRiskAndCurrencyRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=tkc_ParticipatingCrossCurrencySwapContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=tkc_CrossCurrencySwapContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |