v3.25.2
Equity - Schedule of changes in fair value of equity instruments that will not be reclassified (Details) - EUR (€)
€ in Millions
Jun. 30, 2025
Dec. 31, 2024
Items not reclassified to profit or loss    
Net revaluation gains/(losses) € (235) € (432)
Fair value 75,801 89,898
Equity instruments    
Items not reclassified to profit or loss    
Revaluation gains 1,161 967
Revaluation losses (1,396) (1,399)
Net revaluation gains/(losses) (235) (432)
Fair value 2,300 2,193
Domestic | Spain    
Items not reclassified to profit or loss    
Revaluation gains 40 39
Revaluation losses (1,325) (1,328)
Net revaluation gains/(losses) (1,285) (1,289)
Fair value 144 117
International | Rest of Europe    
Items not reclassified to profit or loss    
Revaluation gains 75 131
Revaluation losses (71) (71)
Net revaluation gains/(losses) 4 60
Fair value 188 299
International | United States    
Items not reclassified to profit or loss    
Revaluation gains 24 22
Revaluation losses 0 0
Net revaluation gains/(losses) 24 22
Fair value 38 24
International | Latin America and rest    
Items not reclassified to profit or loss    
Revaluation gains 1,022 775
Revaluation losses 0 0
Net revaluation gains/(losses) 1,022 775
Fair value 1,930 1,753
Listed    
Items not reclassified to profit or loss    
Revaluation gains 1,043 779
Revaluation losses (48) (51)
Net revaluation gains/(losses) 995 728
Fair value 1,999 1,780
Unlisted    
Items not reclassified to profit or loss    
Revaluation gains 118 188
Revaluation losses (1,348) (1,348)
Net revaluation gains/(losses) (1,230) (1,160)
Fair value € 301 € 413