XML 315 R302.htm IDEA: XBRL DOCUMENT v3.26.1

Share-based payments - Summary of share-based compensation costs (Details) - Performance shares - KRW (₩) ₩ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based compensation costs [Line Items]
Employees of the controlling company	₩ 10,979	₩ 4,950	₩ 5,123
Employees of the subsidiaries	95,163	41,686	36,751
Total	₩ 106,142	₩ 46,636	₩ 41,874

X

- References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard
-URIDate 2025-03-27

+ Details

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

X

- References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	shg_ExpenseFromSharebasedPaymentTransactionsWithEmployeesOfTheControllingCompany
Namespace Prefix:	shg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	shg_ExpenseFromSharebasedPaymentTransactionsWithEmployeesOfTheSubsidiaries
Namespace Prefix:	shg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=shg_PerformanceSharesOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: