FINANCIAL RISK MANAGEMENT - Risk-rating Analysis (Details) - PEN (S/)
S/ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
Jan. 01, 2018 |
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
|
|
S/ 164,228,539
|
| Percentage of financial assets |
100.00%
|
100.00%
|
|
| Trading securities, available-for-sale and held-to-maturity investments [Member] |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 33,530,531
|
S/ 32,863,118
|
|
| AAA [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 1,621,270
|
S/ 1,219,451
|
|
| Percentage of financial assets |
4.80%
|
3.70%
|
|
| AAA [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 657,787
|
S/ 286,417
|
|
| Percentage of financial assets |
2.00%
|
0.90%
|
|
| AA- a AA+ [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 1,853,042
|
S/ 1,483,063
|
|
| Percentage of financial assets |
5.50%
|
4.50%
|
|
| AA- a AA+ [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 854,501
|
S/ 513,577
|
|
| Percentage of financial assets |
2.50%
|
1.60%
|
|
| A- to A+ [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 8,970,590
|
S/ 6,809,865
|
|
| Percentage of financial assets |
26.80%
|
20.70%
|
|
| A- to A+ [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 1,581,995
|
S/ 1,265,390
|
|
| Percentage of financial assets |
4.70%
|
3.90%
|
|
| BBB- to BBB+ [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 1,874,556
|
S/ 2,282,714
|
|
| Percentage of financial assets |
5.60%
|
6.90%
|
|
| BBB- to BBB+ [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 2,974,639
|
S/ 4,064,725
|
|
| Percentage of financial assets |
8.90%
|
12.40%
|
|
| BB- to BB+ [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 517,146
|
S/ 459,249
|
|
| Percentage of financial assets |
1.50%
|
1.40%
|
|
| BB- to BB+ [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 996,917
|
S/ 1,383,960
|
|
| Percentage of financial assets |
3.00%
|
4.20%
|
|
| Lower and equal to +B [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 0
|
S/ 7,397
|
|
| Percentage of financial assets |
0.00%
|
0.00%
|
|
| Lower and equal to +B [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 54,316
|
S/ 81,627
|
|
| Percentage of financial assets |
0.20%
|
0.20%
|
|
| BCRP certificates of deposit [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 8,665,272
|
S/ 9,829,584
|
|
| Percentage of financial assets |
25.80%
|
29.90%
|
|
| Listed and unlisted securities [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 573,485
|
S/ 650,507
|
|
| Percentage of financial assets |
1.70%
|
2.00%
|
|
| Listed and unlisted securities [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 88,799
|
S/ 100,031
|
|
| Percentage of financial assets |
0.30%
|
0.30%
|
|
| Restricted mutual funds [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 460,086
|
S/ 407,350
|
|
| Percentage of financial assets |
1.40%
|
1.20%
|
|
| Investment funds | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 102,085
|
S/ 66,932
|
|
| Percentage of financial assets |
0.30%
|
0.20%
|
|
| Investment funds | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 294,158
|
S/ 168,870
|
|
| Percentage of financial assets |
0.90%
|
0.50%
|
|
| Mutual funds [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 291,024
|
S/ 16,811
|
|
| Percentage of financial assets |
0.90%
|
0.10%
|
|
| Mutual funds [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 302,528
|
S/ 381,107
|
|
| Percentage of financial assets |
0.90%
|
1.20%
|
|
| Other instruments [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 264,497
|
S/ 727,713
|
|
| Percentage of financial assets |
0.80%
|
2.20%
|
|
| Other instruments [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 198,217
|
S/ 167,404
|
|
| Percentage of financial assets |
0.50%
|
0.50%
|
|
| Subtotal [Member] | In Peru |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 25,193,053
|
S/ 23,960,636
|
|
| Percentage of financial assets |
75.10%
|
72.80%
|
|
| Subtotal [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 8,337,478
|
S/ 8,902,482
|
|
| Percentage of financial assets |
24.90%
|
27.20%
|
|
| Participations of RAL Funds [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 300,398
|
S/ 445,039
|
|
| Percentage of financial assets |
0.90%
|
1.40%
|
|
| Hedge funds [Member] | In other countries |
|
|
|
| Disclosure of financial risk management [line Items] |
|
|
|
| Financial assets |
S/ 33,223
|
S/ 44,335
|
|
| Percentage of financial assets |
0.10%
|
0.10%
|
|