INVESTMENTS - Balance of investments, by maturity groupings (Details) - PEN (S/) S/ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
Jan. 01, 2018 |
| Financial assets at fair value through profit or loss [abstract] |
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|
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| Financial assets |
|
|
S/ 164,228,539
|
| At fair value through profit or loss |
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|
|
| Financial assets at fair value through profit or loss [abstract] |
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|
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| Financial assets |
S/ 3,845,791
|
S/ 3,507,576
|
|
| At fair value through other comprehensive income [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
25,949,612
|
|
|
| Amortized cost [Member] |
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|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
3,399,133
|
|
|
| Available for sale [Member] |
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|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
24,981,013
|
|
| Held to maturity [Member] |
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|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
4,069,015
|
|
| Overdue 90 days [Member] | At fair value through profit or loss |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
237,624
|
318,648
|
|
| Overdue 90 days [Member] | At fair value through other comprehensive income [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
2,420,464
|
|
|
| Overdue 90 days [Member] | Amortized cost [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
9,969
|
|
|
| Overdue 90 days [Member] | Available for sale [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
4,280,152
|
|
| Overdue 90 days [Member] | Held to maturity [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
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| Financial assets |
|
372,525
|
|
| From 3 months to 1 year [Member] | At fair value through profit or loss |
|
|
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| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
269,199
|
197,829
|
|
| From 3 months to 1 year [Member] | At fair value through other comprehensive income [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
6,694,486
|
|
|
| From 3 months to 1 year [Member] | Amortized cost [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
908,271
|
|
|
| From 3 months to 1 year [Member] | Available for sale [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
5,842,026
|
|
| From 3 months to 1 year [Member] | Held to maturity [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
208,812
|
|
| From 1 to 3 years [Member] | At fair value through profit or loss |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
472,215
|
485,333
|
|
| From 1 to 3 years [Member] | At fair value through other comprehensive income [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
2,155,053
|
|
|
| From 1 to 3 years [Member] | Amortized cost [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
42,440
|
|
|
| From 1 to 3 years [Member] | Available for sale [Member] |
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|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
2,145,494
|
|
| From 1 to 3 years [Member] | Held to maturity [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
1,094,660
|
|
| From 3 to 5 years [Member] | At fair value through profit or loss |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
289,393
|
152,083
|
|
| From 3 to 5 years [Member] | At fair value through other comprehensive income [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
2,961,767
|
|
|
| From 3 to 5 years [Member] | Amortized cost [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
690,289
|
|
|
| From 3 to 5 years [Member] | Available for sale [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
1,722,051
|
|
| From 3 to 5 years [Member] | Held to maturity [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
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| Financial assets |
|
273,343
|
|
| More than 5 years [Member] | At fair value through profit or loss |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
1,029,883
|
871,020
|
|
| More than 5 years [Member] | At fair value through other comprehensive income [Member] |
|
|
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| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
11,138,643
|
|
|
| More than 5 years [Member] | Amortized cost [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
1,748,164
|
|
|
| More than 5 years [Member] | Available for sale [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
10,341,820
|
|
| More than 5 years [Member] | Held to maturity [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
2,119,675
|
|
| Without maturity [Member] | At fair value through profit or loss |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
1,547,477
|
1,482,663
|
|
| Without maturity [Member] | At fair value through other comprehensive income [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
579,199
|
|
|
| Without maturity [Member] | Amortized cost [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
S/ 0
|
|
|
| Without maturity [Member] | Available for sale [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
649,470
|
|
| Without maturity [Member] | Held to maturity [Member] |
|
|
|
| Financial assets at fair value through profit or loss [abstract] |
|
|
|
| Financial assets |
|
S/ 0
|
|