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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, 2017	Dec. 31, 2016
Receivables from financial services [member]
Disclosure of financial assets that are either past due or impaired [line items]
Opening	₺ 10,170
Provision for impairment recognized during the year	117,293	₺ 11,593
Amounts collected	(37,503)	(1,423)
Unused amount reversed	(16,968)
Closing balance	72,992	10,170
Trade receivables and due from related parties [member]
Disclosure of financial assets that are either past due or impaired [line items]
Opening	964,311	816,373
Provision for impairment recognized during the year	180,948	452,767
Amounts collected	(224,460)	(251,553)
Exchange differences	3,128	5,038
Receivables written off during the year as uncollectible	(138,529)	(58,314)
Unused amount reversed	(79,958)
Closing balance	₺ 705,440	₺ 964,311

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 2018-01-01
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-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 2017-03-09

+ Details

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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

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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 2018-01-01
-Name IFRS
-Number 7
-IssueDate 2017-01-01
-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 2017-03-09

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amounts collected, allowance account for credit losses of financial assets.

+ References

No definition available.

+ Details

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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

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Namespace Prefix:	tkc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Provision for impairment recognized, allowance account for credit losses of financial assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	tkc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Definition

Unused amount reversed, allowance account for credit losses of financial assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	tkc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: