XML 271 R258.htm IDEA: XBRL DOCUMENT v3.26.1

Liability under insurance contracts and reinsurance contracts - Summary of information about expected recognition of contractual service margin in profit or loss does not apply premium distribution (Details) - KRW (₩) ₩ in Millions	Dec. 31, 2025	Dec. 31, 2024
Disclosure Of Information About Expected Recognition Of Contractual Service Margin In Profit Or Loss Does Not Apply Premium Distribution [Line Items]
Contractual Service Margin	₩ 9,943,412	₩ 9,769,333
1 year or less
Disclosure Of Information About Expected Recognition Of Contractual Service Margin In Profit Or Loss Does Not Apply Premium Distribution [Line Items]
Contractual Service Margin	608,355	613,018
1~2 years [member]
Disclosure Of Information About Expected Recognition Of Contractual Service Margin In Profit Or Loss Does Not Apply Premium Distribution [Line Items]
Contractual Service Margin	542,852	527,795
2~5 years [member]
Disclosure Of Information About Expected Recognition Of Contractual Service Margin In Profit Or Loss Does Not Apply Premium Distribution [Line Items]
Contractual Service Margin	1,365,661	1,331,128
5~10 years [member]
Disclosure Of Information About Expected Recognition Of Contractual Service Margin In Profit Or Loss Does Not Apply Premium Distribution [Line Items]
Contractual Service Margin	1,682,380	1,664,754
More than 10 years [member]
Disclosure Of Information About Expected Recognition Of Contractual Service Margin In Profit Or Loss Does Not Apply Premium Distribution [Line Items]
Contractual Service Margin	₩ 5,744,164	₩ 5,632,638

X

- Definition

The amount of the contractual service margin. [Refer: Contractual service margin [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 109
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_109&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_ContractualServiceMargin
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Disclosure of information about expected recognition of contractual service margin in profit or loss does not apply premium distribution.

+ References

No definition available.

+ Details

Name:	shg_DisclosureOfInformationAboutExpectedRecognitionOfContractualServiceMarginInProfitOrLossDoesNotApplyPremiumDistributionLineItems
Namespace Prefix:	shg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanTenYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: