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TECHNICAL RESERVES FOR INSURANCE CLAIMS AND PREMIUMS, Variations in Claim Reserves by Changes in Interest Rates and Mortality Tables (Details) S/ in Thousands, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 PEN (S/) | Dec. 31, 2021 PEN (S/) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Soles Currency [Member] |  |  |  |
Changes in interest rates and mortality tables [Abstract] |  |  |  |
Claim reserve | S/ | S/ 3,932,792 | S/ 3,951,240 |  |
Amount of reserve after changes in interest rate by 100 positive base points | S/ | 3,558,149 | 3,581,606 |  |
Amount of reserve after changes in interest rate by 100 negative base points | S/ | 4,386,248 | 4,398,670 |  |
Amount of reserve after increase in mortality tables to 105 percent | S/ | 3,903,888 | 3,923,102 |  |
Amount of reserve after decrease in mortality tables to 95 percent | S/ | 3,963,030 | 3,980,673 |  |
Amount of variation of reserve on changes in interest rate by 100 positive base points | S/ | (374,643) | (369,633) |  |
Amount of variation of reserve on changes in interest rate by 100 negative base points | S/ | 453,456 | 447,430 |  |
Amount of variation of reserve on increase in mortality tables to 105 percent | S/ | (28,904) | (28,138) |  |
Amount of variation of reserve on decrease in mortality tables to 95 percent | S/ | S/ 30,238 | S/ 29,433 |  |
Percentage of variation of reserve on changes in interest rate by 100 positive base points | (9.53%) | (9.35%) |  |
Percentage of variation of reserve on changes in interest rate by 100 negative base points | 11.53% | 11.32% |  |
Percentage of variation of reserve on increase in mortality tables to 105 percent | (0.73%) | (0.71%) |  |
Percentage of variation of reserve on decrease in mortality tables to 95 percent | 0.77% | 0.74% |  |
US Dollars [Member] |  |  |  |
Changes in interest rates and mortality tables [Abstract] |  |  |  |
Claim reserve | $ |  |  | $ 2,563,504 | $ 672,130
Amount of reserve after changes in interest rate by 100 positive base points | $ |  |  | 2,378,659 | 623,665
Amount of reserve after changes in interest rate by 100 negative base points | $ |  |  | 2,783,239 | 729,743
Amount of reserve after increase in mortality tables to 105 percent | $ |  |  | 2,541,988 | 666,489
Amount of reserve after decrease in mortality tables to 95 percent | $ |  |  | 2,585,823 | 677,982
Amount of variation of reserve on changes in interest rate by 100 positive base points | $ |  |  | (184,845) | (48,465)
Amount of variation of reserve on changes in interest rate by 100 negative base points | $ |  |  | 219,735 | 57,613
Amount of variation of reserve on increase in mortality tables to 105 percent | $ |  |  | (21,516) | (5,641)
Amount of variation of reserve on decrease in mortality tables to 95 percent | $ |  |  | $ 22,319 | $ 5,852
Percentage of variation of reserve on changes in interest rate by 100 positive base points | (7.21%) | (7.21%) |  |
Percentage of variation of reserve on changes in interest rate by 100 negative base points | 8.57% | 8.57% |  |
Percentage of variation of reserve on increase in mortality tables to 105 percent | (0.84%) | (0.84%) |  |
Percentage of variation of reserve on decrease in mortality tables to 95 percent | 0.87% | 0.87% |  |

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