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Note 25 Actuarial assumptions percentage (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
SPAIN      
Actuarial assumptions [Line Items]      
Actuarial assumption of discount rates 0.74% 0.53% 0.68%
Actuarial assumption of expected rates of salary increases 0.00% 0.00% 0.00%
Actuarial assumption of expected rates of pension increases 0.00% 0.00% 0.00%
Actuarial assumption of medical cost trend rates 0.00% 0.00% 0.00%
Mortality tables PER 2020 PER 2020 PERM/F 2000P
MEXICO      
Actuarial assumptions [Line Items]      
Actuarial assumption of discount rates 9.68% 8.37% 9.04%
Actuarial assumption of expected rates of salary increases 4.00% 4.00% 4.75%
Actuarial assumption of expected rates of pension increases 2.95% 1.94% 2.47%
Actuarial assumption of medical cost trend rates 7.00% 7.00% 7.00%
Mortality tables EMSSA09 EMSSA09 EMSSA09
TURKEY      
Actuarial assumptions [Line Items]      
Actuarial assumption of discount rates 19.10% 13.00% 12.50%
Actuarial assumption of expected rates of salary increases 16.60% 11.20% 9.70%
Actuarial assumption of expected rates of pension increases 15.10% 9.70% 8.20%
Actuarial assumption of medical cost trend rates 19.30% 13.90% 12.40%
Mortality tables CSO2001 CSO2001 CSO2001