v3.26.1
Financial instruments - Summary of 10 percent strengthening/weakening of foreign exchange rate (Detail) - TRY (₺)
₺ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Disclosure of effect of changes In foreign exchange rates gain or loss    
Percentage of change in foreign exchange rate for sensitivity analysis 10.00% 10.00%
Increase (decrease) in profit (loss) due to potential appreciation of foreign currency ₺ (4,441,113) ₺ (1,065,079)
Increase (decrease) in profit (loss) due to potential depreciation of foreign currency 4,441,113 1,065,079
Increase (decrease) in equity due to potential appreciation of foreign currency (530,131) (314,512)
Increase (decrease) in equity due to potential depreciation of foreign currency 530,131 314,512
USD    
Disclosure of effect of changes In foreign exchange rates gain or loss    
Increase (decrease) in profit (loss) due to potential appreciation of foreign currency (3,077,445) 1,275,184
Increase (decrease) in profit (loss) due to potential depreciation of foreign currency 3,077,445 (1,275,184)
Increase (decrease) in equity due to potential appreciation of foreign currency (12,870) (30,347)
Increase (decrease) in equity due to potential depreciation of foreign currency 12,870 30,347
USD | Net assets and liability    
Disclosure of effect of changes In foreign exchange rates gain or loss    
Increase (decrease) in profit (loss) due to potential appreciation of foreign currency (3,077,445) 1,275,184
Increase (decrease) in profit (loss) due to potential depreciation of foreign currency 3,077,445 (1,275,184)
USD | Hedged portion of risk    
Disclosure of effect of changes In foreign exchange rates gain or loss    
Increase (decrease) in equity due to potential appreciation of foreign currency (12,870) (30,347)
Increase (decrease) in equity due to potential depreciation of foreign currency 12,870 30,347
EUR    
Disclosure of effect of changes In foreign exchange rates gain or loss    
Increase (decrease) in profit (loss) due to potential appreciation of foreign currency (136,703) (1,970,305)
Increase (decrease) in profit (loss) due to potential depreciation of foreign currency 136,703 1,970,305
Increase (decrease) in equity due to potential appreciation of foreign currency (517,261) (284,165)
Increase (decrease) in equity due to potential depreciation of foreign currency 517,261 284,165
EUR | Net assets and liability    
Disclosure of effect of changes In foreign exchange rates gain or loss    
Increase (decrease) in profit (loss) due to potential appreciation of foreign currency (136,703) (1,970,305)
Increase (decrease) in profit (loss) due to potential depreciation of foreign currency 136,703 1,970,305
EUR | Hedged portion of risk    
Disclosure of effect of changes In foreign exchange rates gain or loss    
Increase (decrease) in equity due to potential appreciation of foreign currency (517,261) (284,165)
Increase (decrease) in equity due to potential depreciation of foreign currency 517,261 284,165
CNY    
Disclosure of effect of changes In foreign exchange rates gain or loss    
Increase (decrease) in profit (loss) due to potential appreciation of foreign currency (1,226,965) (369,958)
Increase (decrease) in profit (loss) due to potential depreciation of foreign currency 1,226,965 369,958
CNY | Net assets and liability    
Disclosure of effect of changes In foreign exchange rates gain or loss    
Increase (decrease) in profit (loss) due to potential appreciation of foreign currency (1,226,965) (369,958)
Increase (decrease) in profit (loss) due to potential depreciation of foreign currency ₺ 1,226,965 ₺ 369,958