XML 194 R179.htm IDEA: XBRL DOCUMENT
v3.19.1

Financial Instruments - Summary of Movements in Provision for Impairment of Receivables from Financial Services, Trade Receivables and Due from Related Parties (Detail) - TRY (₺) ₺ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Trade receivables and due from related parties [member] | Contract assets [member] |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |
IFRS 9 effect | ₺ 5,128 |
Provision for impairment recognized during the year | 2,242 |
Closing balance | 7,370 |
Trade receivables and due from related parties [member] | Other assets [member] |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |
Opening balance | 705,440 | ₺ 964,311
IFRS 9 effect | (43,512) |
Provision for impairment recognized during the year | 416,557 | 180,948
Amounts collected | (166,641) | (224,460)
Unused amount reversed | (73,023) | (79,958)
Receivables written off during the year as uncollectible | (118,553) | (138,529)
Exchange differences | 10,540 | 3,128
Disposal of subsidiaries | 3 |
Closing balance | 730,811 | 705,440
Receivables from financial services [member] |  |
Disclosure of financial assets that are either past due or impaired [line items] |  |
Opening balance | 72,992 | 10,170
IFRS 9 effect | 52,951 |
Provision for impairment recognized during the year | 190,509 | 117,293
Amounts collected | (96,278) | (37,503)
Unused amount reversed | (19,901) | (16,968)
Closing balance | ₺ 200,273 | ₺ 72,992

X
- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_16&doctype=Standard&book=b -URIDate 2018-03-16 + Details
Name: | ifrs-full_AllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition The increase (decrease) in an allowance account for credit losses of financial assets resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_16&doctype=Standard&book=b -URIDate 2018-03-16 + Details
Name: | ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of an allowance account on adoption of IFRS9 and used to record impairments to financial assets due to credit losses. + References No definition available. + Details
Name: | tkc_AllowanceAccountForCreditLossesOfFinancialAssetOnAdoptionOfIFRS9
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amounts collected, allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | tkc_AmountsCollectedAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amounts written off, allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | tkc_AmountsWrittenOffAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase (decrease) through disposal of subsidiaries, allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | tkc_IncreaseDecreaseThroughDisposalOfSubsidiariesAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Provision for impairment recognized, allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | tkc_ProvisionForImpairmentRecognizedAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Unused amount reversed, allowance account for credit losses of financial assets. + References No definition available. + Details
Name: | tkc_UnusedAmountReversedAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | tkc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=tkc_TradeReceivablesAndDueFromRelatedPartiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=tkc_ReceivablesFromFinancialServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |