Securities at fair value through other comprehensive income and securities at amortized cost (Tables)

12 Months Ended

Dec. 31, 2025

Securities at fair value through other comprehensive income and securities at amortized cost [Abstract]

Securities at fair value through other comprehensive income and securities at amortized cost

(a)

Details of securities at FVOCI and securities at amortized cost as of December 31, 2024 and 2025 are as follows:


	2024		2025
Securities at FVOCI:
Debt securities:
Government bonds	W	42,463,118		44,038,340
Financial institutions bonds		25,983,405		35,435,282
Corporate bonds and others		23,569,687		21,809,284

		92,016,210		101,282,906

Equity securities (*):
Stocks		1,594,019		1,830,922
Equity investments		4,367		594
Others		190,773		102,528

		1,789,159		1,934,044

		93,805,369		103,216,950

Securities at amortized cost:
Debt securities:
Government bonds		21,808,057		22,779,176
Financial institutions bonds		3,787,661		1,837,790
Corporate bonds and others		7,720,281		7,327,402

		33,315,999		31,944,368

	W	127,121,368		135,161,318

(*)

The equity securities are designated as FVOCI, as the Group has exercised the FVOCI option for reasons including policy-driven holding requirements.

Changes in carrying value of securities at fair value through other comprehensive income and securities at amortized cost

(b)

Changes in carrying amount of debt securities at fair value through other comprehensive income and securities at amortized cost for the years ended December 31, 2024 and 2025 are as follows:


	2024
	Debt securities at FVOCI							Debt securities at amortized cost
	12-month expected credit losses		Life time expected credit losses			Total		12-month expected credit losses			Life time expected credit losses			Total
Beginning balance	W	88,545,051		91,949			88,637,000		35,690,387			7,523			35,697,910
Transfer (from) to 12-month expected credit losses		3,798		(3,798	)		—		—			—			—
Transfer (from) to lifetime expected credit losses		—		—			—		—			—			—
Net increase (decrease) (*)		3,406,603		(27,393	)		3,379,210		(2,367,844	)		(3,879	)		(2,371,723	)

Ending balance	W	91,955,452		60,758			92,016,210		33,322,543			3,644			33,326,187


	2025
	Debt securities at FVOCI								Debt securities at amortized cost
	12-month expected credit losses			Lifetime expected credit losses			Total		12-month expected credit losses			Lifetime expected credit losses			Total
Beginning balance	W	91,955,452			60,758			92,016,210		33,322,543			3,644			33,326,187
Transfer (from) to 12-month expected credit losses		5,276			(5,276	)		—		—			—			—
Transfer (from) to lifetime expected credit losses		(2,939	)		2,939			—		—			—			—
Net increase (decrease) (*)		9,298,286			(31,590	)		9,266,696		(1,369,484	)		(3,644	)		(1,373,128	)

Ending balance	W	101,256,075			26,831			101,282,906		31,953,059			—			31,953,059

(*)	Includes the effects of purchases, disposals, redemptions, valuations, changes in foreign exchange rates, and the amortization of fair value adjustments recognized through business combination accounting, among others.

Changes in allowance for credit loss of securities at fair value through other comprehensive income and securities at amortized cost

(c)

Changes in allowance for credit loss of debt securities at fair value through other comprehensive income and securities at amortized cost for the years ended December 31, 2024 and 2025 are as follows:


	2024
	Debt securities at FVOCI									Debt securities at amortized cost
	12-month expected credit losses			Lifetime expected credit losses			Total			12-month expected credit losses			Lifetime expected credit losses			Total
Beginning balance	W	41,568			909			42,477			11,283			140			11,423
Transfer (from) to 12-month expected credit losses		14			(14	)		—			—			—			—
Transfer (from) to lifetime expected credit losses		—			—			—			—			—			—
Provision (Reversal)		(2,279	)		(420	)		(2,699	)		(1,515	)		(97	)		(1,612	)
Disposal and others (*)		(1,053	)		(379	)		(1,432	)		369			8			377

Ending balance	W	38,250			96			38,346			10,137			51			10,188


	2025
	Debt securities at FVOCI									Debt securities at amortized cost
	12-month expected credit losses			Lifetime expected credit losses			Total			12-month expected credit losses			Lifetime expected credit losses			Total
Beginning balance	W	38,250			96			38,346			10,137			51			10,188
Transfer (from) to 12-month expected credit losses		17			(17	)		—			—			—			—
Transfer (from) to lifetime expected credit losses		(3	)		3			—			—			—			—
Provision (Reversal)		23,479			2,437			25,916			(1,196	)		(47	)		(1,243	)
Disposal and others (*)		(3,981	)		20			(3,961	)		(250	)		(4	)		(254	)

Ending balance	W	57,762			2,539			60,301			8,691			—			8,691

(*)	Includes the effects of restructuring of loans, debt-to-equity swaps, and changes in foreign exchange rates, among others.

Gain or loss on disposal of securities at fair value through other comprehensive income and securities at amortized cost

(d)

Gains and losses on disposal of securities at fair value through other comprehensive income and securities at amortized cost for the years ended December 31, 2023, 2024 and 2025 are as follows:


	2023			2024			2025
Gain on disposal of securities at FVOCI	W	50,793			197,708			287,564
Loss on disposal of securities at FVOCI		(180,368	)		(137,448	)		(93,952	)
Gain on disposal of securities at amortized cost (*)		358			—			2
Loss on disposal of securities at amortized cost (*)		(107	)		(23,155	)		(58	)

	W	(129,324	)		37,105			193,556

(*)

The disposal of securities measured at amortized cost was driven by the exercise of early redemption options by the issuers and by the objective of securing additional asset duration for asset-liability management in response to changes in the interest rate environment.

Income or loss on equity securities at fair value through other comprehensive income

(e)

Income or loss on equity securities at fair value through other comprehensive income

The Group recognized dividends, amounting to

60,139,

86,107 million and

71,328 million, related to equity securities designated at fair value through other comprehensive income for the years ended December 31,

2023,

2024 and 2025, respectively.

ii)

The details of disposal of equity securities designated at fair value through other comprehensive income for the years ended December 31, 2024 and 2025 are as follows:


	Fair value at the date of disposal				Cumulative net gain at the time of disposal
	2024		2025		2024		2025
Stocks	W	106,810		155,004		9,429		4,467
Contingent convertible bonds		3,023		1,687		5		11

	W	109,833		156,691		9,434		4,478

(*)

The reason for the disposal of stocks at fair value through other comprehensive income is the disposal of stocks acquired through

debt-to-equity

swaps, among others.