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FINANCIAL RISK MANAGEMENT (Details 18) - PEN (S/) S/ in Millions | Dec. 31, 2017 | Dec. 31, 2016
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Disclosure of detailed information about assigned value of financial assets [Line Items] |  |
Assigned value of the financial assets | S/ 102,744 | S/ 110,254
Pension funds [Member] |  |
Disclosure of detailed information about assigned value of financial assets [Line Items] |  |
Assigned value of the financial assets | 48,868 | 42,871
Investment funds [member] |  |
Disclosure of detailed information about assigned value of financial assets [Line Items] |  |
Assigned value of the financial assets | 37,567 | 51,484
Equity managed [Member] |  |
Disclosure of detailed information about assigned value of financial assets [Line Items] |  |
Assigned value of the financial assets | 12,874 | 12,417
Bank trusts [Member] |  |
Disclosure of detailed information about assigned value of financial assets [Line Items] |  |
Assigned value of the financial assets | S/ 3,435 | S/ 3,482

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