Other Non-Current Liabilities - Additional Information (Detail) - Belarusian Telecom [member] ₺ in Thousands, $ in Thousands	Dec. 31, 2018 TRY (₺)	Dec. 31, 2018 USD ($)	Dec. 31, 2017
Provisions and other non-current liabilities [line items]
Contingent payment	₺ 526,090	$ 100,000
Discount rate	9.50%	9.50%	4.80%

The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2018-01-01
-Paragraph 144
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2018-03-01&anchor=para_144&doctype=Standard
-URIDate 2018-03-16

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Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant