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Financial Instruments - Summary of 10% Strengthening/Weakening of Foreign Exchange Rate (Detail) - TRY (₺)
₺ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Profit and Loss [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency ₺ 38,187 ₺ (153,171)
Depreciation of foreign currency (38,187) 153,171
Profit and Loss [member] | Hedged portion of risk [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency 0  
Depreciation of foreign currency 0  
USD [member] | Profit and Loss [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency 47,527 (106,121)
Depreciation of foreign currency (47,527) 106,121
USD [member] | Profit and Loss [member] | Net assets and liability [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency 47,527 (106,121)
Depreciation of foreign currency (47,527) 106,121
EUR [member] | Profit and Loss [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (9,050) (37,775)
Depreciation of foreign currency 9,050 37,775
EUR [member] | Profit and Loss [member] | Net assets and liability [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (9,050) (37,775)
Depreciation of foreign currency 9,050 37,775
Other foreign currency (RMB) [member] | Profit and Loss [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (290) (9,275)
Depreciation of foreign currency 290 9,275
Other foreign currency (RMB) [member] | Profit and Loss [member] | Net assets and liability [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (290) (9,275)
Depreciation of foreign currency 290 9,275
Other foreign currency (RMB) [member] | Profit and Loss [member] | Hedged portion of risk [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency 0  
Depreciation of foreign currency 0  
Equity investments [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (47,072) (32,845)
Depreciation of foreign currency 47,072 32,845
Equity investments [member] | USD [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (6,135) (9,596)
Depreciation of foreign currency 6,135 9,596
Equity investments [member] | USD [member] | Net assets and liability [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency 0  
Depreciation of foreign currency 0  
Equity investments [member] | USD [member] | Hedged portion of risk [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (6,135) (9,596)
Depreciation of foreign currency 6,135 9,596
Equity investments [member] | EUR [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (39,558) (23,613)
Depreciation of foreign currency 39,558 23,613
Equity investments [member] | EUR [member] | Net assets and liability [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency 0  
Depreciation of foreign currency 0  
Equity investments [member] | EUR [member] | Hedged portion of risk [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (39,558) (23,613)
Depreciation of foreign currency 39,558 23,613
Equity investments [member] | Other foreign currency (RMB) [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (1,379) 364
Depreciation of foreign currency 1,379 (364)
Equity investments [member] | Other foreign currency (RMB) [member] | Net assets and liability [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency 0  
Depreciation of foreign currency 0  
Equity investments [member] | Other foreign currency (RMB) [member] | Hedged portion of risk [member]    
Disclosure Of Effect Of Changes In Foreign Exchange Rates Gain Loss [line items]    
Appreciation of foreign currency (1,379) 364
Depreciation of foreign currency ₺ 1,379 ₺ (364)