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Equity Parenthetical (Details) - KRW (₩) ₩ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Regulatory reserve for loan losses appropriated from retained earnings	₩ 20,462	₩ 20,656
Profit dividend within retained earnings	20,888,870
Non-controlling interests [member] | Shinhan Bank Jeju Bank And Shinhan Capital [Member]
Hybrid bonds recognized as non controlling interest	2,148,630	2,587,478
Payment of dividend on hybrid bonds	106,713	104,400
Article 53 of the Financial Holding Companies Act [member]
Profits reserved by the group	₩ 2,969,641	₩ 2,865,461

X

- Definition

A component of equity representing reserves created based on legal requirements.

+ 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 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard
-URIDate 2025-03-27

+ Details

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X

- Definition

Hybrid bonds recognized as non controlling interests.

+ References

No definition available.

+ Details

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X

- Definition

Payment of dividend on hybrid bonds.

+ References

No definition available.

+ Details

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- Definition

Profit dividend within retained earnings.

+ References

No definition available.

+ Details

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- Definition

Regulatory reserve for loan losses appropriated from retained earnings.

+ References

No definition available.

+ Details

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- Details

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