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Financial Instruments - Disclosure of Credit Risk (Detail) - TRY (₺) ₺ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk | ₺ 16,635,383 | ₺ 13,279,196
Trade receivables [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk | 2,620,991 | 3,004,206
Contract assets [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk | 715,441 |
Receivables from financial services [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk | 4,170,929 | 4,248,120
Cash and cash equivalents [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk | 7,419,095 | 4,712,141
Participating cross currency swap and FX swap contracts [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk | 1,356,062 | 981,396
Other current assets [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk | 287,469 | 316,042
Held to maturity investments [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk |  | 11,992
Financial assets at fair value through profit or loss, category [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk | 9,409 |
Financial assets at fair value through other comprehensive income, category [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk | 42,454 |
Due from related parties [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Maximum exposure to credit risk | ₺ 13,533 | ₺ 5,299

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 35K -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_35K_a&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 36 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_36_a&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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