v3.26.1
Tax situation - Summary of Income Tax (Details)
12 Months Ended
Dec. 31, 2025
Interbank [Member] | Bottom of range [member]
Disclosure of Income Tax [Line Items]
Income tax periods
2021
Interbank [Member] | Top of range [member]
Disclosure of Income Tax [Line Items]
Income tax periods
2024
Interseguro [Member] | Bottom of range [member]
Disclosure of Income Tax [Line Items]
Income tax periods
2021
Interseguro [Member] | Top of range [member]
Disclosure of Income Tax [Line Items]
Income tax periods
2024
Izipay [Member] | Bottom of range [member]
Disclosure of Income Tax [Line Items]
Income tax periods
2021
Izipay [Member] | Top of range [member]
Disclosure of Income Tax [Line Items]
Income tax periods
2024
Procesos de Medios de Pago [Member] | Bottom of range [member]
Disclosure of Income Tax [Line Items]
Income tax periods
2021
Procesos de Medios de Pago [Member] | Top of range [member]
Disclosure of Income Tax [Line Items]
Income tax periods
2024
X
- Definition
Disclosure of Income Tax.
+ References
No definition available.
+ Details
Name:
ifs_DisclosureOfIncomeTaxLineItems
Namespace Prefix:
ifs_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Income tax examinations, year under examination.
+ References
No definition available.
+ Details
Name:
ifs_IncomeTaxExaminationsYearUnderExamination
Namespace Prefix:
ifs_
Data Type:
xbrli:gYearItemType
Balance Type:
na
Period Type:
duration
X
- Details
Name:
ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ifs_InterbankMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type:
X
- Details
Name:
ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type:
X
- Details
Name:
ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type:
X
- Details
Name:
ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ifs_InterseguroMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type:
X
- Details
Name:
ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ifs_IzipayMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type:
X
- Details
Name:
ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ifs_ProcesosDeMediosDePagoMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type: