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Note 18 Impairment test assumptions CGU goodwill in Turkey (Details) - TURKEY
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Impairment test assumptions Turkey [Line Items]      
Discount rate applied to cash flow projections [1] 27.70% 21.00% 17.40%
Growth rate used to extrapolate cash flow projections 7.00% 7.00% 7.00%
[1] (*) After tax discount rates.