v3.26.1
Loans, net - Summary of credit quality and maximum exposure to credit risk (Detail) - PEN (S/)
S/ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables S/ 50,770,150 S/ 49,229,448  
Direct loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 51,829,932 50,415,364 S/ 48,249,158
Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 2,138,517 2,508,332  
Direct loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 22,928 23,214  
Direct loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,132,429 1,224,479  
Contingent credits [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 5,567,722 5,068,694  
Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Contingent credits [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 6,182 6,181  
Contingent credits [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 10,741 17,767  
Commercial loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 22,897,732 22,770,495  
Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 804,217 1,115,088  
Commercial loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 22,928 23,214  
Commercial loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 258,330 299,250  
Consumer loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 15,248,665 15,036,411  
Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 526,605 689,084  
Consumer loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Consumer loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 472,061 514,691  
Mortgage loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 11,400,784 10,571,300  
Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 702,665 566,885  
Mortgage loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Mortgage loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 347,035 325,095  
Small and micro-business loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 2,282,751 2,037,158  
Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 105,030 137,275  
Small and micro-business loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Small and micro-business loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 55,003 85,443  
High grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 34,717,594 32,525,279  
High grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 3,614,264 3,465,335  
High grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 12,803,855 11,927,895  
High grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 11,627,562 10,943,081  
High grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 9,116,899 8,427,210  
High grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,169,278 1,227,093  
Standard grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 8,640,875 9,846,647  
Standard grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,084,907 1,174,561  
Standard grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 5,984,870 7,299,079  
Standard grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,147,369 1,530,724  
Standard grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 619,151 532,637  
Standard grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 889,485 484,207  
Sub-standard grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 5,177,589 4,287,413  
Sub-standard grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 851,628 404,850  
Sub-standard grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 3,023,532 2,105,969  
Sub-standard grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,475,068 1,358,831  
Sub-standard grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 615,034 719,473  
Sub-standard grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 63,955 103,140  
Stage 1 [member] | Direct loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 46,596,199 44,558,064 41,248,010
Stage 1 [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,234,628 1,335,553  
Stage 1 [member] | Direct loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Direct loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Contingent credits [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 5,012,586 4,762,187  
Stage 1 [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Contingent credits [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Contingent credits [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Commercial loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 20,785,790 20,431,597  
Stage 1 [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 582,186 770,026  
Stage 1 [member] | Commercial loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Commercial loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Consumer loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 13,390,939 12,899,027  
Stage 1 [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 140,200 180,748  
Stage 1 [member] | Consumer loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Consumer loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Mortgage loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 10,411,232 9,577,118  
Stage 1 [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 455,704 322,348  
Stage 1 [member] | Mortgage loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Mortgage loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Small and micro-business loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 2,008,238 1,650,322  
Stage 1 [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 56,538 62,431  
Stage 1 [member] | Small and micro-business loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | Small and micro-business loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 1 [member] | High grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 34,551,825 32,184,807  
Stage 1 [member] | High grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 3,488,080 3,434,095  
Stage 1 [member] | High grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 12,679,767 11,636,968  
Stage 1 [member] | High grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 11,610,675 10,914,268  
Stage 1 [member] | High grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 9,092,721 8,407,045  
Stage 1 [member] | High grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,168,662 1,226,526  
Stage 1 [member] | Standard grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 7,309,766 8,332,692  
Stage 1 [member] | Standard grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 841,497 1,055,740  
Stage 1 [member] | Standard grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 4,979,506 6,274,653  
Stage 1 [member] | Standard grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 963,916 1,210,504  
Stage 1 [member] | Standard grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 611,790 528,923  
Stage 1 [member] | Standard grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 754,554 318,612  
Stage 1 [member] | Sub-standard grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 3,499,980 2,705,012  
Stage 1 [member] | Sub-standard grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 683,009 272,352  
Stage 1 [member] | Sub-standard grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 2,544,331 1,749,950  
Stage 1 [member] | Sub-standard grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 676,148 593,507  
Stage 1 [member] | Sub-standard grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 251,017 318,802  
Stage 1 [member] | Sub-standard grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 28,484 42,753  
Stage 2 [member] | Direct loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 4,078,376 4,609,607 5,490,460
Stage 2 [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 903,889 1,172,779  
Stage 2 [member] | Direct loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Direct loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Contingent credits [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 538,213 282,559  
Stage 2 [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Contingent credits [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Contingent credits [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Commercial loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,830,684 2,016,434  
Stage 2 [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 222,031 345,062  
Stage 2 [member] | Commercial loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Commercial loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Consumer loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,385,665 1,622,693  
Stage 2 [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 386,405 508,336  
Stage 2 [member] | Consumer loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Consumer loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Mortgage loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 642,517 669,087  
Stage 2 [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 246,961 244,537  
Stage 2 [member] | Mortgage loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Mortgage loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Small and micro-business loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 219,510 301,393  
Stage 2 [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 48,492 74,844  
Stage 2 [member] | Small and micro-business loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | Small and micro-business loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 2 [member] | High grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 165,769 340,472  
Stage 2 [member] | High grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 126,184 31,240  
Stage 2 [member] | High grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 124,088 290,927  
Stage 2 [member] | High grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 16,887 28,813  
Stage 2 [member] | High grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 24,178 20,165  
Stage 2 [member] | High grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 616 567  
Stage 2 [member] | Standard grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,331,109 1,513,955  
Stage 2 [member] | Standard grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 243,410 118,821  
Stage 2 [member] | Standard grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,005,364 1,024,426  
Stage 2 [member] | Standard grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 183,453 320,220  
Stage 2 [member] | Standard grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 7,361 3,714  
Stage 2 [member] | Standard grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 134,931 165,595  
Stage 2 [member] | Sub-standard grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,677,609 1,582,401  
Stage 2 [member] | Sub-standard grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 168,619 132,498  
Stage 2 [member] | Sub-standard grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 479,201 356,019  
Stage 2 [member] | Sub-standard grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 798,920 765,324  
Stage 2 [member] | Sub-standard grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 364,017 400,671  
Stage 2 [member] | Sub-standard grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 35,471 60,387  
Stage 3 [member] | Direct loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,155,357 1,247,693 S/ 1,510,688
Stage 3 [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Direct loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 22,928 23,214  
Stage 3 [member] | Direct loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 1,132,429 1,224,479  
Stage 3 [member] | Contingent credits [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 16,923 23,948  
Stage 3 [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Contingent credits [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 6,182 6,181  
Stage 3 [member] | Contingent credits [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 10,741 17,767  
Stage 3 [member] | Commercial loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 281,258 322,464  
Stage 3 [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Commercial loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 22,928 23,214  
Stage 3 [member] | Commercial loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 258,330 299,250  
Stage 3 [member] | Consumer loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 472,061 514,691  
Stage 3 [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Consumer loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Consumer loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 472,061 514,691  
Stage 3 [member] | Mortgage loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 347,035 325,095  
Stage 3 [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Mortgage loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Mortgage loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 347,035 325,095  
Stage 3 [member] | Small and micro-business loans [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 55,003 85,443  
Stage 3 [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Small and micro-business loans [member] | Impaired individually impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Small and micro-business loans [member] | Impaired collectively impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 55,003 85,443  
Stage 3 [member] | High grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | High grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | High grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | High grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | High grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | High grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Standard grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Standard grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Standard grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Standard grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Standard grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Standard grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Sub-standard grade [member] | Direct loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Sub-standard grade [member] | Contingent credits [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Sub-standard grade [member] | Commercial loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Sub-standard grade [member] | Consumer loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Sub-standard grade [member] | Mortgage loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables 0 0  
Stage 3 [member] | Sub-standard grade [member] | Small and micro-business loans [member] | Impaired not impaired [member]      
Disclosure of financial assets that are either past due or impaired [line items]      
Loans and receivables S/ 0 S/ 0