XML 191 R176.htm IDEA: XBRL DOCUMENT v3.19.1
Derivative financial instruments - Summary of Reconciliation by Risk Category of Components of Equity and Analysis of OCI Items, Net of (Detail) - Cash flow hedges [member]
 12 Months Ended
Dec. 31, 2018
TRY (₺)
Cost of hedging reserve [member]  
Cash flow hedges [line items]  
Beginning balance ₺ (271,130)
Changes in fair value: (448,833)
Foreign currency risk (448,833)
Amount reclassified into profit or loss: 101,231
Foreign currency risk 101,231
Tax on movements during the year: 76,472
Ending balance (271,130)
Hedging reserve [member]  
Cash flow hedges [line items]  
Beginning balance 14,942
Changes in fair value: 683,706
Foreign currency risk 612,733
Interest rate risk 70,973
Amount reclassified into profit or loss: (664,550)
Foreign currency risk (611,035)
Interest rate risk (53,515)
Tax on movements during the year: (4,214)
Ending balance ₺ 14,942