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Financial Instruments - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2018 TRY (₺)	Dec. 31, 2017 TRY (₺)	Dec. 31, 2018 USD ($)
Disclosure of detailed information about financial instruments [line items]
Strengthening percentage	10.00%	10.00%
Change in interest rates	1.00%		1.00%
Debt securities issued in 2015 [member] | Fair value [member]
Disclosure of detailed information about financial instruments [line items]
Nominal value of debt securities issued	₺ 2,380,855	₺ 2,063,972	$ 500,000
Debt securities issued in 2018 [member] | Fair value [member]
Disclosure of detailed information about financial instruments [line items]
Nominal value of debt securities issued	₺ 2,329,011	₺ 0	$ 500,000

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- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 112
-Subparagraph c
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-URIDate 2018-03-16

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Increase (decrease) in interest rate.

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Strengthening percentage of foreign currency.

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