Derivative financial instruments - Summary of fair value of financial assets and financial liabilities (Detail) - Level 2 - TRY (₺) ₺ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Participating cross currency swap contracts | ||
| Disclosure of detailed information about financial instruments | ||
| Valuation techniques | Pricing models based on discounted cash present value of the estimated future cash flows based on observable yield curves and end period FX rates | |
| Increase (decrease) in fair value if mid prices used | ₺ 0 | ₺ 0 |
| FX swap, currency, interest swap and option contracts | ||
| Disclosure of detailed information about financial instruments | ||
| Valuation techniques | Present value of the estimated future cash flows based on observable yield curves and end period FX rates | |
| Currency forward contracts | ||
| Disclosure of detailed information about financial instruments | ||
| Valuation techniques | Forward exchange rates at the balance sheet date |