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Note 17 Tangible assets by Spanish and foreign subsidiaries net assets values (Details) - EUR (€)
€ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
 [1]
Dec. 31, 2021
Tangible assets by Spanish and foreign subsidiaries [Line Items]        
Total tangible assets by Spanish and foreign subsidiaries € 9,759 € 9,253 € 8,737 € 7,298
BBVA and Spanish Subsidiaries [Member]        
Tangible assets by Spanish and foreign subsidiaries [Line Items]        
Total tangible assets by Spanish and foreign subsidiaries 4,129 4,183 4,285  
Foreign subsidiaries [Member]        
Tangible assets by Spanish and foreign subsidiaries [Line Items]        
Total tangible assets by Spanish and foreign subsidiaries € 5,630 € 5,071 € 4,452  
[1] (1) The number of branches in 2022 was affected by the closing of the transaction with Merlin Properties in which 100% of the shares of Tree Inversiones Inmobiliarias, SOCIMI, S.A. were acquired by BBVA Group.