Fair Value (Tables)

12 Months Ended

Dec. 31, 2025

Disclosure of detailed information about financial instruments [abstract]

Schedule of Carrying Amount and Fair Value of Financial Instruments by Category

Carrying amount and fair value of financial instruments by category as of December 31, 2024 and 2025, are as follows:

(in millions of Korean won)	December 31, 2024				December 31, 2025
	Carrying  amount		Fair value		Carrying  amount		Fair value
Financial assets
Cash and cash equivalents	₩	3,716,680		1	₩	3,506,971		1
Trade and other receivables
Financial assets measured at amortized cost2	7,380,901			1	7,572,857			1
Financial assets at fair value through other comprehensive income	114,774		114,774		107,644		107,644
Other financial assets
Financial assets measured at amortized cost	962,653			1	1,476,527			1
Financial assets at fair value through profit or loss	1,029,926		1,029,926		774,557		774,557
Financial assets at fair value through other comprehensive income	1,665,368		1,665,368		2,423,277		2,423,277
Derivative financial assets for hedging	445,471		445,471		315,537		315,537
Total	₩	15,315,773			₩	16,177,370
Financial liabilities
Trade and other payables	₩	7,214,174		1	₩	6,693,177		1
Borrowings	10,520,690		10,423,619		10,785,572		9,722,743
Other financial liabilities
Financial liabilities at amortized cost	942,135			1	999,020			1
Financial liabilities at fair value through profit or loss	132,011		132,011		105,810		105,810
Derivative financial liabilities for hedging purpose	3		3		13,862		13,862
Total	₩	18,809,013			₩	18,597,441

1The Group did not conduct fair value estimation since the book amount is a reasonable approximation of the fair value.

2Lease receivables are excluded from fair value disclosure in accordance with IFRS 7.

Schedule of Fair Value Hierarchy Classifications of Financial Assets and Financial Liabilities That are Measured at Fair Value

Fair value hierarchy classifications of the financial assets and financial liabilities that are measured at fair value disclosed in fair value as of December 31, 2024 and 2025, are as follows:

	December 31, 2024
(in millions of Korean won)	Level 1		Level 2		Level 3		Total
Assets
Trade and other receivables
Financial assets at fair value through other comprehensive income	₩	—	₩	114,774	₩	—	₩	114,774
Other financial assets
Financial assets at fair value through profit or loss	5,620		181,694		842,612		1,029,926
Financial assets at fair value through other comprehensive income	1,317,120		5,418		342,830		1,665,368
Derivative financial assets for hedging	—		445,471		—		445,471
Investment properties	—		—		6,899,105		6,899,105
Total	₩	1,322,740	₩	747,357	₩	8,084,547	₩	10,154,644
Liabilities
Borrowings	₩	—	₩	10,423,619	₩	—	₩	10,423,619
Other financial liabilities
Financial liabilities at fair value through profit or loss	—		—		132,011		132,011
Derivative financial liabilities for hedging purpose	—		3		—		3
Total	₩	—	₩	10,423,622	₩	132,011	₩	10,555,633

(in millions of Korean won)	December 31, 2025
	Level 1		Level 2		Level 3		Total
Assets
Trade and other receivables
Financial assets at fair value through other comprehensive income	₩	—	₩	107,644	₩	—	₩	107,644
Other financial assets
Financial assets at fair value through profit or loss	3,562		64,237		706,758		774,557
Financial assets at fair value through other comprehensive income	2,044,434		5,319		373,524		2,423,277
Derivative financial assets for hedging	—		315,537		—		315,537
Investment properties	—		—		7,773,591		7,773,591
Total	₩	2,047,996	₩	492,737	₩	8,853,873	₩	11,394,606
Liabilities
Borrowings	₩	—	₩	9,722,743	₩	—	₩	9,722,743
Other financial liabilities
Financial liabilities at fair value through profit or loss	—		432		105,378		105,810
Derivative financial liabilities for hedging purpose	—		13,862		—		13,862
Total	₩	—	₩	9,737,037	₩	105,378	₩	9,842,415

Schedule of Changes in Level 3 of Fair Value Hierarchy for Recurring Fair Value Measurements

Details of changes in Level 3 of the fair value hierarchy for the recurring fair value measurements as of December 31, 2024 and 2025, are as follows:

	2024
	Financial assets				Financial liabilities
(in millions of Korean won)	Financial assets at fair value through profit or loss		Financial assets at fair value through other comprehensive income		Financial liabilities at fair value through profit or loss
Beginning balance	₩	768,832	₩	444,026	₩	134,561
Acquisition	109,198		1,011		—
Reclassification	51,194		(45)		(5,772)
Disposal	(36,663)		—		—
Amount recognized in profit or loss 1,	(49,949)		—		3,222
Amount recognized in other comprehensive income	—		(102,162)		—
Ending balance	₩	842,612	₩	342,830	₩	132,011

1The recognition of gains and losses on financial liabilities measured at fair value through profit or loss consists of derivative valuation losses.

	2025
	Financial assets				Financial liabilities
	Financial assets at fair value through profit or loss		Financial assets at fair value through other comprehensive income		Financial liabilities at fair value through profit or loss
Beginning balance	₩	842,612	₩	342,830	₩	132,011
Acquisition	37,709		100,146		—
Reclassification	(31,423)		(4,795)		—
Disposal	(46,904)		(146)		(381)
Amount recognized in profit or loss 1,	(95,236)		—		(26,252)
Amount recognized in other comprehensive income	—		(64,511)		—
Ending balance	₩	706,758	₩	373,524	₩	105,378

1The recognition of gains and losses on financial liabilities measured at fair value through profit or loss consists of derivative valuation gains and losses.

Schedule of Valuation Techniques and Inputs

Valuation techniques and inputs used in the recurring, non-recurring fair value measurements and disclosed fair values categorized within Level 2 and Level 3 of the fair value hierarchy as of December 31, 2024 and 2025, are as follows:

	December 31, 2024
(in millions of Korean won)	Fair value		Level	Valuation techniques	Inputs
Assets
Trade and other receivables
Financial assets at fair value through other comprehensive income	₩	114,774	2	DCF Model	Guaranteed bond interest rate
Other financial assets
Financial assets at fair value through profit or loss	1,024,306		2,3	DCF Model, Adjusted Net Asset Model, Market Approach Model T-F Model	Market Interest rate, Underlying asset price
Financial assets at fair value through other comprehensive income	348,248		2,3	DCF Model, Market Approach Model	Discount rate
Derivative financial assets for hedging	445,471		2	DCF Model	Market observation discount rate
Investment properties	6,899,105		3	DCF Model
Liabilities
Borrowings	₩	10,423,619	2	DCF Model	Bond interest rate
Other financial liabilities
Financial liabilities at fair value through profit or loss	132,011		3	Binomial Option Pricing Model	Treasury Bond Interest rate
Derivative financial liabilities for hedging	3		2	DCF Model	Market observation discount rate

	December 31, 2025
(in millions of Korean won)	Fair value		Level	Valuation techniques	Inputs
Assets
Trade and other receivables
Financial assets at fair value through other comprehensive income	₩	107,644	2	DCF Model	Guaranteed bond interest rate
Other financial assets
Financial assets at fair value through profit or loss	770,995		2,3	DCF Model, Adjusted Net Asset Model, Backsolve Model, T-F Model	Market Interest rate
Financial assets at fair value through other comprehensive income	378,843		2,3	DCF Model, Hull-White model, LSMC model, Backsolve Model, T-F Model	Discount rate
Derivative financial assets for hedging	315,537		2	DCF Model	Market Interest rate
Investment properties	7,773,591		3	DCF Model
Liabilities
Borrowings	₩	9,722,743	2	DCF Model	Bond interest rate
Other financial liabilities
Financial liabilities at fair value through profit or loss	105,810		2,3	Binomial Option Pricing Model,	Treasury Bond Interest rate
Derivative financial liabilities for hedging	13,862		2	DCF Model	Market Interest rate