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Deferred Tax Assets and Liabilities - Summary of Expiration of Unrecognized Tax Losses (Detail) ₺ in Thousands	Dec. 31, 2017 TRY (₺)
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]
2018	₺ 8,911
2019	9,394
2020	8,775
2021	4,467
2022	3,506
2023	281
2024	128,314
2025	803,533
Indefinite	1,731,067
Total	₺ 2,698,248

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Deferred tax assets tax losses carried forward.

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Tax losses carried forward which expire in year eight.

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Tax losses carried forward which expire in year five.

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Tax losses carried forward which expire in year four.

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Tax losses carried forward which expire in year one.

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Tax losses carried forward which expire in year seven.

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Tax losses carried forward which expire in year six.

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Tax losses carried forward which expire in year three.

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Tax losses carried forward which expire in year two.

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Tax losses carried forward which expire indefinite.

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