Employee benefits - Summary of movement in reserve for employee termination benefits (Detail) - TRY (₺) ₺ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of defined benefit plans | ||
| Defined benefit plans provision at beginning of period | ₺ 3,144,599 | ₺ 3,183,356 |
| Service cost | 493,572 | 646,459 |
| Remeasurements | (1,161,825) | 231,601 |
| Interest expense | 711,056 | 696,536 |
| Benefit payments | (409,802) | (534,804) |
| Inflation adjustment | (703,008) | (1,078,549) |
| Defined benefit plans provision at end of period | ₺ 2,074,592 | ₺ 3,144,599 |
| X | ||||||||||
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from employee service in the current period. [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from the remeasurement of that net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from inflation adjustment. No definition available.
|