Basis of preparation and summary of material accounting policies - Evolution of CPI (Details) - Turkiye	12 Months Ended	36 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Hyperinflation
Annual Index	1,859.38	1,128.45	686.95	504.81	1,859.38	1,128.45	686.95	504.81
Average index	1,488.91	967.71	561.61	469.59
Inflation rate	64.80%	64.30%	36.10%	14.60%	268.30%	156.20%	74.40%	54.20%

The value of the level of the general price index used to restate financial statement information of an entity whose functional currency is the currency of a hyperinflationary economy.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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