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Other Current Assets - Additional Information (Detail) ₺ in Thousands	Dec. 31, 2018 TRY (₺)
Time deposits [member] | Turkcell Finansman [member]
Other Current Assets [line items]
Restricted Cash	₺ 204,077

X

- Definition

Other Current Assets [line items]

+ References

No definition available.

+ Details

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

X

- Definition

Restricted cash.

+ References

No definition available.

+ Details

Name:	tkc_RestrictedCash1
Namespace Prefix:	tkc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=tkc_TimeDepositsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=tkc_TurkcellFinansmanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: