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Note 29 Shares of BBVA owned by third parties but managed by the Group (Details) - EUR (€)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Shares of BBVA owned by third parties but managed by the group [Line Items]      
Number of shares owned by third parties 11,834,596,000,000 13,258,994,000,000 18,686,027,000,000
Nominal value of shares of BBVA owned by third parties but managed by the group € 490,000 € 490,000 € 490,000
Percentage of share capital of shares of BBVA owned by third parties but managed by the group 0.21% 0.23% 0.31%