v3.25.4
Note 13 Financial assets at fair value through other comprehensive income debt securities by rating (Details) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 57,001 € 57,526 € 60,963
Percentage of debt securities by rating 100.00% 100.00% 100.00%
BBVA AAA Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 2,015 € 1,370 € 1,000
Percentage of debt securities by rating 3.50% 2.40% 1.60%
BBVA AA Plus Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 4,148 € 4,170 € 3,685
Percentage of debt securities by rating 7.30% 7.20% 6.00%
BBVA AA Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 410 € 261 € 384
Percentage of debt securities by rating 0.70% 0.50% 0.60%
BBVA AA Minus Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 1,854 € 1,061 € 642
Percentage of debt securities by rating 3.30% 1.80% 1.10%
BBVA A plus Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 1,065 € 905 € 1,798
Percentage of debt securities by rating 1.90% 1.60% 3.00%
BBVA A Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 11,235 € 2,007 € 1,747
Percentage of debt securities by rating 19.70% 3.50% 2.90%
BBVA A Minus Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 1,613 € 12,018 € 16,009
Percentage of debt securities by rating 2.80% 20.90% 26.30%
BBVA BBB Plus Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 24,493 € 19,897 € 22,854
Percentage of debt securities by rating 43.00% 34.60% 37.50%
BBVA BBB Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 3,586 € 9,212 € 8,327
Percentage of debt securities by rating 6.30% 16.00% 13.70%
BBVA BBB minus Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 1,640 € 922 € 858
Percentage of debt securities by rating 2.90% 1.60% 1.40%
BBVA BB Plus Rating [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 4,916 € 5,227 € 3,480
Percentage of debt securities by rating 8.60% 9.10% 5.70%
Unclassified [Member]      
Avaiable for sale financial assets debt securities by rating [Line Items]      
Debt securities at fair value through other comprehensive income € 27 € 474 € 178
Percentage of debt securities by rating 0.00% 0.80% 0.30%