Provisions - Additional Information (Detail)	Dec. 31, 2020	Dec. 31, 2019
Provisions [abstract]
Rate used for provision	9.90%	6.10%

The discount rate on provision for dismantling, removing and site restoration.

No definition available.

Name:	tkc_DiscountRateOnProvision
Namespace Prefix:	tkc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant