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Note 25 Investments in listed markets (Details) - EUR (€)
€ in Millions
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Cash or cash equivalents in listed markets [Member]      
Disclosure of fair value of plan assets [line items]      
Investment in listed markets € 24 € 38 € 56
Debt securities government bonds in listed markets [Member]      
Disclosure of fair value of plan assets [line items]      
Investment in listed markets 2,394 2,707 2,668
Investment funds [member]      
Disclosure of fair value of plan assets [line items]      
Investment in listed markets 1 1 2
Total investments in listed markets [Member]      
Disclosure of fair value of plan assets [line items]      
Investment in listed markets 2,418 2,747 2,727
Of which bank account in BBVA in listed markets [Member]      
Disclosure of fair value of plan assets [line items]      
Investment in listed markets 3 4 4
Of which debt securities issued by BBVA in listed markets [Member]      
Disclosure of fair value of plan assets [line items]      
Investment in listed markets 0 0 0
Of which property occupied by BBVA in listed markets [Member]      
Disclosure of fair value of plan assets [line items]      
Investment in listed markets € 0 € 0 € 0