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DEPOSITS AND OBLIGATIONS (Details Textual) - Fondo de Seguro de Depositos [Member] - PEN (S/)	Dec. 31, 2017	Dec. 31, 2016
Disclosure of Deposits and Obligations [Line Items]
Balance Of Deposits And Obligations	S/ 30,064,800,000	S/ 28,239,300,000
Maximum Coverage Recognized	S/ 97,529	S/ 97,644

X

- Definition

The balance amount of deposits and obligations.

+ References

No definition available.

+ Details

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Namespace Prefix:	bap_
Data Type:	xbrli:monetaryItemType
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- References

No definition available.

+ Details

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Namespace Prefix:	bap_
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Balance Type:	na
Period Type:	duration

X

- Definition

The amount of maximum coverage recognized.

+ References

No definition available.

+ Details

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Namespace Prefix:	bap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: