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Derivative Financial Instruments - Summary of Financial Assets and Financial Liabilities Measured and Recognised at Fair Value (Detail) - Participating cross currency swap contracts [member] ₺ in Thousands, € in Thousands, ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019 TRY (₺)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 EUR (€)	Dec. 31, 2018 USD ($)	Dec. 31, 2018 CNY (¥)	Dec. 31, 2019 EUR (€)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2018 TRY (₺)	Dec. 31, 2018 EUR (€)	Dec. 31, 2018 USD ($)	Dec. 31, 2018 CNY (¥)	Dec. 31, 2017 TRY (₺)
Level 3 [member] | EUR [member] | 23 October 2025 [member]
Disclosure of financial assets and liabilities measured at fair value [line items]
Nominal Value | €						€ 433,400				€ 500,000
Maturity Date	23 October 2025	23 October 2025	23 October 2025	23 October 2025	23 October 2025
Fair Value	₺ 148,066								₺ 208,462				₺ 627,385
Hedge Ratio	1	1	1	1	1
Change in intrinsic value of outstanding hedging instruments	₺ 293,774		€ 359,400
Change in value of hedging item used to determine hedge effectiveness	₺ (293,774)		€ (359,400)
Level 3 [member] | EUR [member] | 22 April 2026 [member]
Disclosure of financial assets and liabilities measured at fair value [line items]
Nominal Value | €						€ 56,004				€ 60,000
Maturity Date	22 April 2026	22 April 2026	22 April 2026	22 April 2026	22 April 2026
Fair Value	₺ 7,675								64,670				1,078
Hedge Ratio	1	1	1	1	1
Change in intrinsic value of outstanding hedging instruments	₺ 36,344		€ 43,128
Change in value of hedging item used to determine hedge effectiveness	₺ (36,344)		€ (43,128)
Level 3 [member] | USD [member] | 22 April 2026 [member]
Disclosure of financial assets and liabilities measured at fair value [line items]
Nominal Value | $							$ 18,668
Maturity Date	22 April 2026	22 April 2026
Fair Value	₺ 21,581								9,234
Hedge Ratio	1	1
Change in intrinsic value of outstanding hedging instruments | $		$ 13,436
Change in value of hedging item used to determine hedge effectiveness | $		$ (13,436)
Level 3 [member] | USD [member] | 22 April 2026 [member]
Disclosure of financial assets and liabilities measured at fair value [line items]
Nominal Value | $							46,670
Maturity Date	22 April 2026	22 April 2026
Fair Value	₺ 9,893
Hedge Ratio	1	1
Change in intrinsic value of outstanding hedging instruments	₺ 15,215
Change in value of hedging item used to determine hedge effectiveness	₺ (15,215)
Level 3 [member] | USD [member] | 16 September 2020 [member]
Disclosure of financial assets and liabilities measured at fair value [line items]
Nominal Value | $							$ 133,333				$ 400,000
Maturity Date	16 September 2020	16 September 2020	16 September 2020	16 September 2020	16 September 2020
Fair Value	₺ 246,062								394,975				₺ 224,560
Hedge Ratio	1	1	1	1	1
Change in intrinsic value of outstanding hedging instruments	₺ 61,424			$ 179,388
Change in value of hedging item used to determine hedge effectiveness	₺ (61,424)			$ (179,388)
Level 3 [member] | USD [member] | 10 April 2026 [member]
Disclosure of financial assets and liabilities measured at fair value [line items]
Nominal Value | $											$ 20,000
Maturity Date			10 April 2026	10 April 2026	10 April 2026
Fair Value									9,234
Hedge Ratio			1	1	1
Change in intrinsic value of outstanding hedging instruments | $				$ 13,519
Change in value of hedging item used to determine hedge effectiveness | $				$ (13,519)
Level 2 [member] | Other foreign currency (RMB) [member] | 22 April 2026 [member]
Disclosure of financial assets and liabilities measured at fair value [line items]
Nominal Value | ¥								¥ 189,107				¥ 202,600
Maturity Date	22 April 2026	22 April 2026	22 April 2026	22 April 2026	22 April 2026
Fair Value	₺ 50,171								₺ 53,583
Hedge Ratio	1	1	1	1	1
Change in intrinsic value of outstanding hedging instruments	₺ 19,172				¥ 15,600
Change in value of hedging item used to determine hedge effectiveness	₺ (19,172)				¥ (15,600)

X

- Definition

The gain (loss) on the change in fair value of the hedged item used as a basis for recognising hedge ineffectiveness. Hedge ineffectiveness is the extent to which the changes in the fair value or the cash flows of the hedging instrument are greater or less than those on the hedged item.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2019-01-01
-Paragraph 24B
-Subparagraph a
-Clause iv
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-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2019-01-01
-Paragraph 24B
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