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Commitments and Contingencies - Summary of Lawsuits Disputes (Detail) - Disputes related with ICTA [member] - TRY (₺) ₺ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disclosure of commitments and contingencies [line items]
Anticipated Maximum Risk (excluding accrued interest)	₺ 13,367	₺ 13,367
Provision for ongoing disputes	₺ 0	₺ 0

X

- Definition

The amount of Anticipated Maximum Risk (excluding accrued interest).

+ References

No definition available.

+ Details

Name:	tkc_AnticipatedMaximumRiskExcludingAccruedInterest
Namespace Prefix:	tkc_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of commitments and contingencies [line items]

+ References

No definition available.

+ Details

Name:	tkc_DisclosureOfCommitmentsAndContingenciesLineItems
Namespace Prefix:	tkc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of provision for ongoing disputes.

+ References

No definition available.

+ Details

Name:	tkc_ProvisionForOngoingDisputes
Namespace Prefix:	tkc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	ifrs-full_TypesOfContractsAxis=tkc_DisputesRelatedWithICTAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: