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Investment properties - Summary of Investment Properties and Information About Fair Value Hierarchy (Detail) - TRY (₺) ₺ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Level 2 |  |
Disclosure of fair value measurement of assets [line items] |  |
Investment properties, fair value | ₺ 212,900 | ₺ 198,088
Level 3 |  |
Disclosure of fair value measurement of assets [line items] |  |
Investment properties, fair value | 195,000 | 236,781
Investment properties in Gebze free zone | Level 3 | Discounted cash flow [member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Investment properties, fair value | 195,000 | 236,781
Investment properties in Ankara | Level 2 | Market approach [member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Investment properties, fair value | 138,900 | 139,614
Investment properties in Adana | Level 2 | Market approach [member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Investment properties, fair value | 47,000 | 35,373
Investment properties in Aydin | Level 2 | Market approach [member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Investment properties, fair value | ₺ 27,000 | ₺ 23,101

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