Financial Instruments - Aging of Receivables from Financial Operations, Trade Receivables and Due from Related Parties (Detail) - TRY (₺) ₺ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Trade receivables and due from related parties [member]
Disclosure of financial assets that are either past due or impaired [line items]
Aging of receivables	₺ 3,009,505	₺ 3,531,158
Receivables from financial services [member]
Disclosure of financial assets that are either past due or impaired [line items]
Aging of receivables	4,248,120	2,396,372
Not past due [member] \| Trade receivables and due from related parties [member]
Disclosure of financial assets that are either past due or impaired [line items]
Aging of receivables	2,124,719	3,138,043
Not past due [member] \| Receivables from financial services [member]
Disclosure of financial assets that are either past due or impaired [line items]
Aging of receivables	3,659,521	2,350,375
Not later than three months [member] \| Trade receivables and due from related parties [member]
Disclosure of financial assets that are either past due or impaired [line items]
Aging of receivables	317,649	285,561
Not later than three months [member] \| Receivables from financial services [member]
Disclosure of financial assets that are either past due or impaired [line items]
Aging of receivables	513,925	16,533
Later than three months and not later than six months [member] \| Trade receivables and due from related parties [member]
Disclosure of financial assets that are either past due or impaired [line items]
Aging of receivables	95,738	48,775
Later than three months and not later than six months [member] \| Receivables from financial services [member]
Disclosure of financial assets that are either past due or impaired [line items]
Aging of receivables	39,233	20,227
Later than six months [member] \| Trade receivables and due from related parties [member]
Disclosure of financial assets that are either past due or impaired [line items]
Aging of receivables	471,399	58,779
Later than six months [member] \| Receivables from financial services [member]
Disclosure of financial assets that are either past due or impaired [line items]
Aging of receivables	₺ 35,441	₺ 9,237

- Definition

The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]

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