v3.26.1
Investment property - Summary of average price of land (Detail)
 12 Months Ended
Dec. 31, 2025
m² / $
San Isidro – Lima | Bottom of range [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 4,505
San Isidro – Lima | Top of range [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 8,098
San Isidro – Lima | Weighted average [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 5,722
Miraflores - Lima | Bottom of range [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 4,540
Miraflores - Lima | Top of range [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 5,318
Miraflores - Lima | Weighted average [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 5,041
Ate Vitarte - Lima | Bottom of range [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 1,200
Ate Vitarte - Lima | Top of range [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 1,648
Ate Vitarte - Lima | Weighted average [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 1,428
San Martin de Porres – Lima | Bottom of range [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 1,247
San Martin de Porres – Lima | Top of range [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 1,561
San Martin de Porres – Lima | Weighted average [member]  
Disclosure of detailed information about investment property [line items]  
Land Average Price 1,402