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Note 29 Shares of BBVA accepted in pledge (Details) - EUR (€)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Shares of BBVA accepted in pledge [Line Items]      
Number of shares in pledge 29,372,853 39,407,590 43,018,382
Nominal value of shares of BBVA accepted in pledge € 0.49 € 0.49 € 0.49
Percentage of share capital of shares of BBVA accepted in pledge 0.44% 0.59% 0.65%