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Income tax expense (Tables)

12 Months Ended

Dec. 31, 2025

Major components of tax expense (income) [abstract]

Summary of income tax expense

(a) Income tax expense for the years ended December 31, 2023, 2024 and 2025 are as follows:

		2023				2024				2025
Current income tax expense		W	1,301,802				1,210,083				1,572,116
Temporary differences			493,026				(163,840	)			17,638
Income tax recognized in other comprehensive income			(307,868	)			424,679				254,736
Income tax expenses		W	1,486,960				1,470,922				1,844,490

Summary of income tax expense calculated by multiplying net income before tax with the tax rate

(b) Income tax expense calculated by multiplying net income before tax with the tax rate for the years ended December 31, 2023, 2024 and 2025 are as follows:

		2023				2024				2025
Profit before income taxes		W	5,964,960				6,029,092				6,929,009
Income taxes at statutory tax rates			1,564,388				1,581,318				1,818,897
Adjustments:
Non-taxable income			(10,350	)			(44,370	)			(20,796	)
Non-deductible expense			16,514				19,755				23,909
Tax credit			(1,185	)			(1,484	)			(1,318	)
Others			(82,407	)			(84,297	)			23,798
Income tax expense		W	1,486,960				1,470,922				1,844,490
Effective tax rate			24.93	%			24.40				26.62

Summary of deferred tax expenses by origination and reversal of deferred assets and liabilities and temporary differences

(c) Deferred tax expenses by origination and reversal of deferred assets and liabilities and temporary differences for the years ended December 31, 2024 and 2025 are as follows:

		2024
		Beginning Balance				Profit or loss				Other comprehensive income (loss)				Ending Balance (*1)
Unearned income		W	(432,276	)			2,101				—				(430,175	)
Account receivable			(21,354	)			(15,052	)			—				(36,406	)
Financial assets measured at fair value			454,253				(408,640	)			(425,218	)			(379,605	)
Investment in associates			188,268				8,543				(2,396	)			194,415
Valuation and depreciation of property and equipment etc.			(104,078	)			147				—				(103,931	)
Derivative asset			152,388				(79,962	)			(21,242	)			51,184
Deposits			33,553				(6,274	)			—				27,279
Accrued expenses			221,458				64,571				—				286,029
Defined benefit obligation			544,667				(17,567	)			19,995				547,095
Plan assets			(617,983	)			32,565				1,710				(583,708	)
Other provisions			510,604				(15,187	)			—				495,417
Allowance for acceptances and guarantees			22,017				13,467				—				35,484
Allowance related to asset revaluation			(47,709	)			—				—				(47,709	)
Allowance for expensing depreciation			(140	)			61				—				(79	)
Accrued contributions			37,669				19,935				—				57,604
Financial assets (liabilities) designated at fair value through profit or loss			(232,597	)			119,658				—				(112,939	)
Allowances			224,066				50,152				—				274,218
Constructive dividend			17,718				857				—				18,575
Liability under insurance contracts			11,445				(1,089	)			—				10,356
Others			(1,551,513	)			(2,239	)			851,830				(701,922	)
			(589,544	)			(233,953	)			424,679				(398,818	)
Expired unused tax losses:
Extinguishment of deposit and insurance liabilities			200,668				(20,165	)			—				180,503
		W	(388,876	)			(254,118	)			424,679				(218,315	)

(*1) Deferred tax assets from overseas subsidiaries are increased by W6,721 million due to foreign exchange rate movements.

(*2) The Group does not recognize deferred tax assets and liabilities related to global minimum tax laws by applying the temporary exception provision for deferred tax in IAS 12.

		2025
		Beginning Balance				Profit or loss				Other comprehensive income (loss)				Ending Balance (*)
Unearned income		W	(430,175	)			(23,729	)			—				(453,904	)
Account receivable			(36,406	)			(5,060	)			—				(41,466	)
Financial assets measured at fair value			(379,605	)			76,414				585,988				282,797
Investment in associates			194,415				(18,848	)			6,229				181,796
Valuation and depreciation of property and equipment, etc.			(103,931	)			(959	)			—				(104,890	)
Derivative asset			51,184				(70,745	)			82,890				63,329
Deposits			27,279				9,677				—				36,956
Accrued expenses			286,029				40,172				—				326,201
Defined benefit obligation			547,095				35,686				(8,532	)			574,249
Plan assets			(583,708	)			(76,062	)			13,930				(645,840	)
Other provisions			495,417				12,464				—				507,881
Allowance for acceptance and guarantees			35,484				12,713				—				48,197
Allowance related to asset revaluation			(47,709	)			(1,999	)			—				(49,708	)
Allowance for expensing depreciation			(79	)			61				—				(18	)
Accrued contributions			57,604				(1,561	)			—				56,043
Financial assets (liabilities) designated at fair value through profit or loss			(112,939	)			(14,065	)			—				(127,004	)
Allowances			274,218				(49,538	)			—				224,680
Constructive dividend			18,575				848				—				19,423
Liability under insurance contracts			10,356				(1,510	)			—				8,846
Others			(701,922	)			(175,446	)			(425,769	)			(1,303,137	)
			(398,818	)			(251,487	)			254,736				(395,569	)
Expired unused tax losses:
Extinguishment of deposit and insurance liabilities			180,503				(22,015	)			—				158,488
		W	(218,315	)			(273,502	)			254,736				(237,081	)

(*) Deferred tax assets from overseas subsidiaries are increased by W1,128 million due to foreign exchange rate movements.

Summary of deferred tax assets and liabilities that were directly charged or credited to equity

(d) Deferred tax assets and liabilities that are directly charged or credited to equity for the years ended December 31, 2024 and 2025 are as follows:

		January 1, 2024								Changes								December 31, 2024
		OCI				Tax effect				OCI				Tax effect				OCI				Tax effect
Gain (loss) on valuation of financial assets measured at FVOCI		W	(4,727,044)				1,223,503				1,614,241				(425,218	)			(3,112,803	)			798,285
Gain (loss) on financial liabilities designated at FVTPL attributable to changes in credit risk			(5,278	)			1,393				(2,288	)			604				(7,566	)			1,997
Foreign currency translation adjustments for foreign operations			(105,343	)			(13,174	)			401,576				13,431				296,233				257
Gain (loss) on cash flow hedges			(48,623	)			13,515				59,756				(21,242	)			11,133				(7,727	)
Equity in other comprehensive income (loss) of associates			(1,321	)			352				9,067				(2,396	)			7,746				(2,044	)
Remeasurements of the defined benefit liability			(398,538	)			106,209				(83,464	)			21,705				(482,002	)			127,914
Net finance income (expense) on insurance contract			3,912,910				(1,033,014	)			(3,173,553	)			837,795				739,357				(195,219	)
		W	(1,373,237)				298,784				(1,174,665	)			424,679				(2,547,902	)			723,463

		January 1, 2025								Changes								December 31, 2025
		OCI				Tax effect				OCI				Tax effect				OCI				Tax effect
Gain (loss) on valuation of financial assets measured at FVOCI		W	(3,112,803)				798,285				(2,024,457	)			585,987				(5,137,260	)			1,384,272
Gain (loss) on financial liabilities designated at FVTPL attributable to changes in credit risk			(7,566	)			1,997				1,403				(301	)			(6,163	)			1,696
Foreign currency translation adjustments for foreign operations			296,233				257				(140,164	)			(3,785	)			156,069				(3,528	)
Gain (loss) on cash flow hedges			11,133				(7,727	)			(255,994	)			82,890				(244,861	)			75,163
Equity in other comprehensive income (loss) of associates			7,746				(2,044	)			(22,965	)			6,228				(15,219	)			4,184
Remeasurements of the defined benefit liability			(482,002	)			127,914				183				5,398				(481,819	)			133,312
Net finance income (expense) on insurance contract			739,357				(195,219	)			1,536,884				(421,681	)			2,276,241				(616,900	)
		W	(2,547,902)				723,463				(905,110	)			254,736				(3,453,012	)			978,199

Summary of the amount of deductible temporary differences, unused tax losses, and unused tax credits that are not recognized as deferred tax assets

(e) The amount of deductible temporary differences that are not recognized as deferred tax assets as of December 31, 2024 and 2025 are as follows:

		2024				2025
Temporary differences related to Shinhan EZ General Insurance Co., Ltd. (*1)		W	109,731				135,608

(*1) Shinhan EZ General Insurance Co., Ltd., a subsidiary of the Group, suffered a net loss for the current period, etc. As of the end of December 31, 2025, deferred corporate tax assets were not recognized as it was determined that the temporary difference to be deducted in excess of the temporary difference to be added and the tax loss were not feasible.

(*2) The expiration date of unused carried tax losses not recognized as deferred tax assets as of the end of the reporting period is as follows:

		1 year or less				1~2 years				2~3 years				More than 3 years				Total
Tax loss carried-forward		W	7,444				9,253				12,361				98,817				127,875

Summary of the amount of temporary difference regarding investment in subsidiaries that are not recognized as deferred tax liabilities

(f) The amount of temporary difference regarding investment in subsidiaries that are not recognized as deferred tax liabilities as of December 31, 2024 and 2025 are as follows:

		2024				2025
Investment in subsidiaries, etc.		W	(10,203,270)				(10,643,726	)

Summary of deferred tax assets and liabilities presented on a gross basis prior to any offsetting

(g) The Group set off a deferred tax asset against a deferred tax liability of the same taxable entity if, and only if, they relate to income taxes levied by the same taxation authority and the entity has a legally enforceable right to set off current tax assets against current tax liabilities. Deferred tax assets and liabilities presented on a gross basis prior to any offsetting as of December 31, 2024 and 2025 are as follows:

		2024				2025
Deferred tax assets		W	1,375,325				1,266,026
Deferred tax liabilities			1,593,640				1,503,107

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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