Name:	bap_DisclosureOfTaxSituationLineItems
Namespace Prefix:	bap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The percentage of workers profit sharing during the period.

No definition available.

Name:	bap_PercentageOfWorkersProfitSharing
Namespace Prefix:	bap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The percentage of surcharge applicable during the period.

No definition available.

Name:	bap_SurchargeRate
Namespace Prefix:	bap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The applicable income tax rate.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2018-01-01
-Paragraph 81
-Subparagraph c
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=12&date=2018-03-01&anchor=para_81_c_ii&doctype=Standard
-URIDate 2018-03-16

Name:	ifrs-full_ApplicableTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The tax expense (income) divided by the accounting profit. [Refer: Accounting profit]

Name:	ifrs-full_AverageEffectiveTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The amount of income tax relating to amounts recognised in other comprehensive income that will be reclassified to profit or loss. [Refer: Income tax relating to components of other comprehensive income]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 91
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_91&doctype=Standard
-URIDate 2018-03-16

Name:	ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from a change in tax rate. [Refer: Average effective tax rate; Applicable tax rate]

Name:	ifrs-full_TaxRateEffectFromChangeInTaxRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Name:	bap_TypeOfIncomeAxis=bap_SemiIntegratedSystemMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=bap_PeruCountryMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_GeographicalAreasAxis=bap_BoliviaCountryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=bap_ChileCountryMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=bap_ColombiaCountryMember
Namespace Prefix:
Data Type:	na
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