v3.26.1
Business segments - Disclosure of operating segments (Detail) - PEN (S/)
S/ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of operating segments [line items]    
Capital expenditures S/ 586,125 S/ 411,865
Total assets 99,097,427 95,503,781
Total liabilities 86,675,583 84,525,186
Banking [Member]    
Disclosure of operating segments [line items]    
Capital expenditures 461,646 277,836
Total assets 76,763,239 73,626,419
Total liabilities 66,505,666 64,753,475
Insurance [Member]    
Disclosure of operating segments [line items]    
Capital expenditures 65,369 65,335
Total assets 17,461,132 16,175,883
Total liabilities 16,615,842 15,618,274
Wealth Management [Member]    
Disclosure of operating segments [line items]    
Capital expenditures 7,859 5,879
Total assets 4,118,540 4,316,010
Total liabilities 3,019,002 3,271,899
Holding, other subsidiaries and eliminations [Member]    
Disclosure of operating segments [line items]    
Capital expenditures 51,251 62,815
Total assets 754,516 1,385,469
Total liabilities S/ 535,073 S/ 881,538