v3.26.1
Financial risk management - Summary of financial assets and the insurance contracts assets and liabilities of the Company by main currency (Detail) - PEN (S/)
S/ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Disclosure in tabular form of financial asset and financial liabilities by main currency [line items]    
Cash and cash equivalents S/ 14,035,949 S/ 12,615,226
Investments at fair value through profit or loss 2,086,869 1,919,768
Financial assets, debt instruments measured at fair value through other comprehensive income 21,662,651 20,724,892
Investments at amortized cost 70,078,996 67,579,297
Insurance contracts assets-    
Life reinsurance held assets 57,182 18,602
Insurance contracts liabilities-    
Life insurance issued liabilities 13,058,772 12,522,352
Life reinsurance held 16,776 6,354
Currency risk [member]    
Disclosure in tabular form of financial asset and financial liabilities by main currency [line items]    
Cash and cash equivalents 482,544 203,945
Investments at fair value through profit or loss 574,220 376,649
Financial assets, debt instruments measured at fair value through other comprehensive income 13,952,057 13,268,028
Investments at amortized cost 25,904 24,838
Insurance contracts assets-    
Life reinsurance held assets 17,078 18,602
Insurance contracts liabilities-    
Life insurance issued liabilities 13,058,772 12,522,352
Life reinsurance held 4,482 1,968
US Dollar [member]    
Disclosure in tabular form of financial asset and financial liabilities by main currency [line items]    
Cash and cash equivalents 9,784,117 8,615,546
Insurance contracts assets-    
Life reinsurance held assets 2,056 207
US Dollar [member] | Currency risk [member]    
Disclosure in tabular form of financial asset and financial liabilities by main currency [line items]    
Cash and cash equivalents 181,399 72,053
Investments at fair value through profit or loss 570,928 372,064
Financial assets, debt instruments measured at fair value through other comprehensive income 4,391,332 4,205,803
Insurance contracts assets-    
Life reinsurance held assets 2,056 207
Insurance contracts liabilities-    
Life insurance issued liabilities 3,604,846 3,940,738
Life reinsurance held 4,898  
Sol [member]    
Disclosure in tabular form of financial asset and financial liabilities by main currency [line items]    
Cash and cash equivalents 3,963,653 3,676,441
Insurance contracts assets-    
Life reinsurance held assets 55,126 18,395
Sol [member] | Currency risk [member]    
Disclosure in tabular form of financial asset and financial liabilities by main currency [line items]    
Cash and cash equivalents 301,145 131,892
Investments at fair value through profit or loss 3,292 4,585
Financial assets, debt instruments measured at fair value through other comprehensive income 9,560,725 9,062,225
Investments at amortized cost 25,904 24,838
Insurance contracts assets-    
Life reinsurance held assets 15,022 18,395
Insurance contracts liabilities-    
Life insurance issued liabilities 9,453,926 8,581,614
Life reinsurance held S/ 416 S/ 1,968