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Derivative Financial Instruments - Summary of Fair Value of Financial Assets and Financial Liabilities (Parenthetical) (Detail) - TRY (₺) ₺ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Participating cross currency swap contracts [member]
Disclosure of detailed information about financial instruments [line items]
Nominal Value	₺ 116,684	₺ 123,995

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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

Nominal value amount.

+ References

No definition available.

+ Details

Name:	tkc_NominalValueAmount
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: