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Note 18 Impairment test assumptions CGU goodwill in Mexico (Details) - MEXICO
Dec. 31, 2022
Rate
Dec. 31, 2021
Rate
Dec. 31, 2020
Rate
Impairment test assumptions Mexico [Line Items]      
Discount rate applied to cash flow projections [1] 12.70% 14.50% 15.30%
Growth rate used to extrapolate cash flow projections 6.30% 5.70% 5.70%
[1] (1) After tax discount rates.