DEPOSITS AND OBLIGATIONS - non-interest-bearing and interest-bearing deposits and obligations (Details) - PEN (S/) S/ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Disclosure of Deposits and Obligations [Line Items] | ||
| Non interest bearing deposits | S/ 33,830,166 | S/ 32,249,606 |
| Interest bearing deposits | 77,494,028 | 71,734,518 |
| Total | 111,324,194 | 103,984,124 |
| In Peru [Member] | ||
| Disclosure of Deposits and Obligations [Line Items] | ||
| Non interest bearing deposits | 31,155,442 | 29,552,904 |
| Interest bearing deposits | 68,899,966 | 63,938,399 |
| In other countries [Member] | ||
| Disclosure of Deposits and Obligations [Line Items] | ||
| Non interest bearing deposits | 2,674,724 | 2,696,702 |
| Interest bearing deposits | S/ 8,594,062 | S/ 7,796,119 |