v3.25.4
Note 7 Base scenario of GDP, unemployment rate and HPI for the main geographies (Details) - Base scenario [Member]
Dec. 31, 2025
Dec. 31, 2024
SPAIN | 2024 [Member]    
Macroeconomic variables [Line Items]    
GDP   3.09%
Unemployment   11.43%
HPI   2.99%
SPAIN | 2025 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.90% 2.29%
Unemployment 10.58% 10.75%
HPI 8.24% 4.32%
SPAIN | 2026 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.39% 1.69%
Unemployment 9.95% 10.35%
HPI 6.67% 2.99%
SPAIN | 2027 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.03% 1.86%
Unemployment 9.60% 9.95%
HPI 3.35% 2.24%
SPAIN | 2028 [Member]    
Macroeconomic variables [Line Items]    
GDP 1.96% 1.80%
Unemployment 9.30% 9.55%
HPI 1.61% 1.61%
SPAIN | 2029 [Member]    
Macroeconomic variables [Line Items]    
GDP 1.96% 1.80%
Unemployment 9.05% 9.25%
HPI 1.20% 1.41%
SPAIN | 2030 [Member]    
Macroeconomic variables [Line Items]    
GDP 1.99%  
Unemployment 8.80%  
HPI 1.04%  
MEXICO | 2024 [Member]    
Macroeconomic variables [Line Items]    
GDP   1.24%
Unemployment   2.75%
HPI   4.57%
MEXICO | 2025 [Member]    
Macroeconomic variables [Line Items]    
GDP 0.67% 0.99%
Unemployment 2.75% 3.13%
HPI 4.81% 4.85%
MEXICO | 2026 [Member]    
Macroeconomic variables [Line Items]    
GDP 1.25% 1.64%
Unemployment 3.08% 3.25%
HPI 4.38% 4.21%
MEXICO | 2027 [Member]    
Macroeconomic variables [Line Items]    
GDP 1.71% 1.70%
Unemployment 3.13% 3.17%
HPI 4.00% 4.23%
MEXICO | 2028 [Member]    
Macroeconomic variables [Line Items]    
GDP 1.80% 1.87%
Unemployment 3.06% 3.08%
HPI 3.89% 4.36%
MEXICO | 2029 [Member]    
Macroeconomic variables [Line Items]    
GDP 1.86% 1.87%
Unemployment 3.01% 3.04%
HPI 3.88% 4.55%
MEXICO | 2030 [Member]    
Macroeconomic variables [Line Items]    
GDP 1.90%  
Unemployment 3.12%  
HPI 3.72%  
TURKEY | 2024 [Member]    
Macroeconomic variables [Line Items]    
GDP   3.18%
Unemployment   8.80%
TURKEY | 2025 [Member]    
Macroeconomic variables [Line Items]    
GDP 3.75% 2.48%
Unemployment 8.53% 10.46%
TURKEY | 2026 [Member]    
Macroeconomic variables [Line Items]    
GDP 3.97% 4.52%
Unemployment 9.23% 10.73%
TURKEY | 2027 [Member]    
Macroeconomic variables [Line Items]    
GDP 5.46% 4.18%
Unemployment 9.35% 10.58%
TURKEY | 2028 [Member]    
Macroeconomic variables [Line Items]    
GDP 3.20% 4.11%
Unemployment 9.75% 10.52%
TURKEY | 2029 [Member]    
Macroeconomic variables [Line Items]    
GDP 4.06% 4.01%
Unemployment 10.00% 10.51%
TURKEY | 2030 [Member]    
Macroeconomic variables [Line Items]    
GDP 4.03%  
Unemployment 10.00%  
PERU | 2024 [Member]    
Macroeconomic variables [Line Items]    
GDP   3.10%
Unemployment   6.59%
PERU | 2025 [Member]    
Macroeconomic variables [Line Items]    
GDP 3.34% 2.67%
Unemployment 5.98% 6.59%
PERU | 2026 [Member]    
Macroeconomic variables [Line Items]    
GDP 3.09% 2.70%
Unemployment 6.10% 6.57%
PERU | 2027 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.58% 2.75%
Unemployment 6.07% 6.52%
PERU | 2028 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.78% 2.45%
Unemployment 6.00% 6.47%
PERU | 2029 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.67% 2.41%
Unemployment 5.95% 6.42%
PERU | 2030 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.63%  
Unemployment 5.90%  
ARGENTINA | 2024 [Member]    
Macroeconomic variables [Line Items]    
GDP   (3.76%)
Unemployment   10.38%
ARGENTINA | 2025 [Member]    
Macroeconomic variables [Line Items]    
GDP 4.47% 5.48%
Unemployment 8.18% 8.80%
ARGENTINA | 2026 [Member]    
Macroeconomic variables [Line Items]    
GDP 3.02% 4.47%
Unemployment 8.10% 7.55%
ARGENTINA | 2027 [Member]    
Macroeconomic variables [Line Items]    
GDP 3.04% 3.48%
Unemployment 7.33% 6.58%
ARGENTINA | 2028 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.99% 3.54%
Unemployment 6.43% 5.85%
ARGENTINA | 2029 [Member]    
Macroeconomic variables [Line Items]    
GDP 3.04% 3.48%
Unemployment 5.60% 5.35%
ARGENTINA | 2030 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.99%  
Unemployment 4.83%  
COLOMBIA | 2024 [Member]    
Macroeconomic variables [Line Items]    
GDP   1.96%
Unemployment   10.20%
COLOMBIA | 2025 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.68% 2.49%
Unemployment 8.64% 10.34%
COLOMBIA | 2026 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.81% 3.19%
Unemployment 8.70% 10.26%
COLOMBIA | 2027 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.76% 2.92%
Unemployment 8.78% 9.81%
COLOMBIA | 2028 [Member]    
Macroeconomic variables [Line Items]    
GDP 2.98% 2.96%
Unemployment 8.76% 9.36%
COLOMBIA | 2029 [Member]    
Macroeconomic variables [Line Items]    
GDP 3.13% 2.99%
Unemployment 8.96% 8.86%
COLOMBIA | 2030 [Member]    
Macroeconomic variables [Line Items]    
GDP 3.22%  
Unemployment 9.06%