Derivatives (Tables)

12 Months Ended

Dec. 31, 2023

Disclosure of detailed information about hedges [abstract]

Summary Of Derivative Assets And Derivative Liabilities

(1) Derivative assets and derivative liabilities are as follows (Unit: Korean Won in millions):

	December 31, 2022
			Assets						Liabilities
	Nominal amount		For cash flow hedge		For fair value hedge		For trading		For cash flow hedge		For fair value hedge		For trading
Interest rate:
Futures		42,545		—		—		—		—		—		—
Forwards		2,620,000		—		—		249,356		—		—		—
Swaps		136,550,518		2,041		—		440,540		—		193,831		474,158
Purchase options		170,000		—		—		9,308		—		—		—
Written options		310,000		—		—		—		—		—		16,752
Currency:
Futures		51,136		—		—		—		—		—		—
Forwards		90,134,257		—		—		3,083,082		—		—		1,360,535
Swaps		97,197,309		35,745		—		3,105,901		9,080		—		5,500,970
Purchase options		487,852		—		—		23,182		—		—		—
Written options		570,982		—		—		—		—		—		7,929
Equity:
Futures		958,589		—		—		—		—		—		—
Forwards		183		—		—		100		—		—		—
Swaps		568,835		—		—		90,237		—		—		673
Purchase options		29,801,478		—		—		1,204,475		—		—		—
Written options		29,874,836		—		—		—		—		—		1,544,108
Total		389,338,520		37,786		—		8,206,181		9,080		193,831		8,905,125

	December 31, 2023
			Assets						Liabilities
	Nominal amount		For cash flow hedge		For fair value hedge		For trading		For cash flow hedge		For fair value hedge		For trading
Interest rate:
Futures		317,018		—		—		—		—		—		—
Forwards		3,960,000		—		—		83,198		—		—		169,527
Swaps		138,734,758		—		698		367,333		512		135,263		213,885
Purchase options		150,000		—		—		6,556		—		—		—
Written options		400,000		—		—		—		—		—		15,359
Currency:
Futures		1,728		—		—		—		—		—		—
Forwards		97,713,561		—		—		1,935,832		—		—		885,870
Swaps		79,160,356		26,010		—		2,669,550		17,232		—		3,643,463
Purchase options		139,309		—		—		1,500		—		—		—
Written options		122,696		—		—		—		—		—		585
Equity:
Futures		480,311		—		—		—		—		—		—
Forwards		137		—		—		36		—		—		—
Swaps		461,112		—		—		126,028		—		—		1,994
Purchase options		16,444,709		—		—		608,296		—		—		—
Written options		16,887,247		—		—		—		—		—		1,012,341
Total		354,972,942		26,010		698		5,798,329		17,744		135,263		5,943,024

Summary Of The Nominal Amount Of Hedging Instruments

(3) The nominal amount of the hedging instrument is as follows (Unit: USD, AUD, EUR, and Korean Won in millions):

	December 31, 2022
	1 year or less		1 year to 5 years		More than 5 years		Total
Fair value hedge
Interest rate risk
Interest rate swap (USD)		—		2,075,000,000		300,000,000		2,375,000,000
Interest rate swap (AUD)		150,000,000		—		—		150,000,000
Interest rate swap (KRW)		150,000		—		—		150,000
Cash flow hedge
Interest rate risk
Interest rate swap (KRW)		50,000		140,000		—		190,000
Foreign currencies translation risk and interest rate risk
Currency swap (USD)		—		270,000,000		—		270,000,000
Foreign currencies translation risk
Currency swap (USD)		80,000,000		100,000,000		—		180,000,000
Currency swap (EUR)		—		194,780,000		—		194,780,000
Hedges of net investment in foreign operations
Exchange risk
Foreign currency bond (USD)		272,390,437		592,000,000		—		864,390,437

	December 31, 2023
	1 year or less		1 year to 5 years		More than 5 years		Total
Fair value hedge
Interest rate risk
Interest rate swap (USD)		1,000,000,000		1,975,000,000		—		2,975,000,000
Interest rate swap (KRW)		240,000		—		20,000		260,000
Cash flow hedge
Interest rate risk Interest rate swap (KRW)		—		140,000		—		140,000
Foreign currencies translation risk and interest rate risk
Currency swap (USD)		—		270,000,000		—		270,000,000
Foreign currencies translation risk
Currency swap (USD)		—		100,000,000		—		100,000,000
Currency swap (EUR)		—		194,780,000		—		194,780,000
Hedges of net investment in foreign operations
Exchange risk
Foreign currency bond (USD)		400,000,000		463,959,317		—		863,959,317

Summary Of Average Interest And Currency Rate Of Hedging Instrument

(4) The average interest rate and average currency rate of the hedging instrument are as follows:

	December 31, 2022
	Average interest rate and average exchange rate
Fair value hedge
Interest rate risk
Interest rate swap (USD)	Fixed 3.62% receipt and Libor 3M+1.45% floating paid
Interest rate swap (USD)	Fixed 2.05% receipt and (C.SOFR)+0.65% paid
Interest rate swap (AUD)	Fixed 0.84% receipt and BBSW 3M+0.72% paid
Interest rate swap (KRW)	Fixed 3.13% receipt and CD 3M paid
Cash flow hedge
Interest rate risk
Interest rate swap (KRW)	KRW CMS 5Y+0.46% receipt, 3.65% paid
Interest rate swap (KRW)	KRW CD+0.33% receipt, 1.68% paid
Foreign currencies translation risk and interest rate risk
Currency swap (USD)	USD 1M Libor+0.79% receipt, KRW 0.80% paid, KRW/USD = 1,226.29
Foreign currencies translation risk
Currency swap (USD)	USD 1.50% receipt, KRW 1.57% paid, KRW/USD = 1,140.50
Currency swap (EUR)	EUR 1.98% receipt, KRW 3.68% paid, KRW/EUR = 1,344.08
Hedges of net investment
Exchanging rate risk
Foreign currency denominated debentures (KRW/USD)	1,344.37

	December 31, 2023
	Average interest rate and average exchange rate
Fair value hedge
Interest rate risk
Interest rate swap (USD)	Fixed 3.60% receipt and (C.SOFR) + 1.47% paid
Interest rate swap (KRW)	Fixed 4.13% receipt and CD 3M paid
Cash flow hedge
Interest rate risk
Interest rate swap (KRW)	KRW CMS 5Y+0.46% receipt, 3.65% paid
Foreign currencies translation risk and interest rate risk
Currency swap (USD)	USD 1M SOFR+1.12% receipt, KRW 4.37% paid, USD/KRW = 1,293.97
Foreign currencies translation risk
Currency swap (USD)	USD 1.75% receipt, KRW 1.63% paid, USD/KRW = 1,138.50
Currency swap (EUR)	EUR 1.98% receipt, KRW 3.40% paid, EUR/KRW = 1,344.08
Hedges of net investment
Exchanging rate risk
Foreign currency denominated debentures (USD/KRW)	1,306.12

Summary Of Amounts Related To Items Designated As Hedging Instruments

(5) The amounts related to items designated as hedging instruments are as follows (Unit: USD, AUD, EUR, and Korean Won in millions):

	December 31, 2022
	Nominal amount of the hedging instrument		Carrying amount of the hedging instrument				Line item in the statement of financial position where the hedging instrument is located	Changing in fair value used for calculating hedge ineffectiveness
			Assets		Liabilities
Fair value hedge
Interest rate risk
Interest rate Swap (USD)		2,375,000,000		—		193,831	Derivative assets (designated for hedging)		(247,765	)
Interest rate Swap (AUD)		150,000,000					Derivative liabilities (designated for hedging)
Interest rate Swap (KRW)		150,000
Cash flow hedge
Interest rate risk
Interest rate swap (KRW)		190,000		2,041		—	Derivative liabilities (designated for hedging)		1,690
Foreign currency translation risk and interest rate risk
Currency swap (USD)		270,000,000		17,909		—	Derivative liabilities (designated for hedging)		58,253
Foreign currency translation risk
Currency swap (USD)		180,000,000		17,836		—	Derivative liabilities (designated for hedging)		9,317
Currency swap (EUR)		194,780,000		—		9,080	Derivative liabilities (designated for hedging)		(10,286	)
Hedges of net investment in foreign operations Exchange rate risk
Foreign currency bond (USD)		864,390,437		—		1,095,442	Foreign currency bond		(28,553	)

	December 31, 2023
	Nominal amounts of the hedging instrument		Carrying amount of the hedging instrument				Line item in the statement of financial position where the hedging instrument is located	Changing in fair value used for calculating hedge ineffectiveness
			Assets		Liabilities
Fair value hedge
Interest rate risk
Interest rate Swap (USD)		2,975,000,000		698		135,263	Derivative assets (designated for hedging)		55,651
Interest rate Swap (KRW)		260,000
Cash flow hedge
Interest rate risk
Interest rate swap (KRW)		140,000		—		512	Derivative liabilities (designated for hedging)		(2,433	)
Foreign currency translation risk and interest rate risk
Currency swap (USD)		270,000,000		7,356		17,232	Derivative assets (designated for hedging) Derivative liabilities (designated for hedging)		(913	)
Foreign currency translation risk
Currency swap (USD)		100,000,000		10,956		—	Derivative assets (designated for hedging)		(5,644	)
Currency swap (EUR)		194,780,000		7,698		—	Derivative assets (designated for hedging)		19,063
Hedges of net investment in foreign operations Exchange rate risk
Foreign currency bond (USD)		863,959,317		—		1,113,989	Foreign currency bond		(19,088	)

Summary OF Carrying Amounts Of Hedged Item And Amount Of Hedge Adjustments Due To Hedge Accounting

(6) Details of carrying amount to hedge and amount due to hedge accounting are as follows (Unit: Korean Won in millions):

	December 31, 2022
	Carrying amount of the hedged item				Accumulated amount of fair value hedge adjustments on the hedged item included in the carrying amount of the hedged item					Line item in the statement of financial position in which the hedged item is included		Changing in fair value used for calculating hedge ineffectiveness			Cash flow hedge reserve (*)
	Assets		Liabilities		Assets		Liabilities
Fair value hedge
Interest rate risk
Debentures		—		3,076,983		—		(199,804	)		Debentures		257,911			—
Cash flow hedge
Interest rate risk
Debentures		—		229,892		—		—			Debentures		(3,742	)		2,531
Foreign currencies translation risk and interest rate risk
Debentures		—		342,019		—		—			Debentures		(23,296	)		8,648
Foreign currencies translation risk
Debentures		—		752,901		—		—			Debentures		11,256			(24,600	)
Hedges of net investment in foreign operations Exchange rate risk
Foreign operations net asset		—		1,095,442		—		—			Foreign operations net asset		28,553			(38,797	)

(*) After tax amount

	December 31, 2023
	Carrying amount of the hedged item				Accumulated amount of fair value hedge adjustments on the hedged item included in the carrying amount of the hedged item				Line item in the statement of financial position in which the hedged item is included		Changing in fair value used for calculating hedge ineffectiveness			Cash flow hedge reserve (*)
	Assets		Liabilities		Assets		Liabilities
Fair value hedge
Interest rate risk
Debentures		—		3,943,224		—		142,902		Debentures		(58,306	)		—
Cash flow hedge
Interest rate risk
Debentures		—		179,945		—		—		Debentures		2,433			25
Foreign currencies translation risk and interest rate risk
Debentures		—		346,388		—		—		Debentures		22,914			(8,819	)
Foreign currencies translation risk
Debentures		—		406,059		—		—		Debentures		(13,419	)		(11,416	)
Hedges of net investment in foreign operations Exchange rate risk
Foreign operations net asset		—		1,113,989		—		—		Foreign operations net asset		19,088			(34,750	)

(*) After tax amount

Summary Of Amounts Recognized In Profit Or Loss Due To The Ineffective Portion of Fair Value Hedges

(7) Amounts recognized in profit or loss due to the ineffective portion of fair value hedges are as follows (Unit: Korean Won in millions):

		For the year ended December 31, 2021
		Hedge ineffectiveness recognized in profit or loss			Line item in the profit or loss that includes hedge ineffectiveness
Fair value hedge	Interest rate risk		16,522		Other net operating income(expense)
		For the year ended December 31, 2022
		Hedge ineffectiveness recognized in profit or loss			Line item in the profit or loss that includes hedge ineffectiveness
Fair value hedge	Interest rate risk		10,146		Other net operating income(expense)
		For the year ended December 31, 2023
		Hedge ineffectiveness recognized in profit or loss			Line item in the profit or loss that includes hedge ineffectiveness
Fair value hedge	Interest rate risk		(2,655	)	Other net operating income(expense)

Summary Of Reclassification Of Profit Or Loss From Other Comprehensive Income And Equity Related To Cash Flow Hedges

(8) Reclassification of profit or loss from other comprehensive income and equity related to cash flow hedges are as follows (Unit: Korean Won in millions):

		For the year ended December 31, 2021
		Changes in the value of hedging instruments recognized in OCI		Hedge ineffectiveness recognized in profit or loss			Changes in the value of foreign basis spread recognized in OCI			Line item recognized in the profit or loss	Amounts reclassified from cash flow hedge reserve to profit or loss			Line item affected in profit or loss due to reclassification
Cash flow hedge	Interest rate risk		1,641		256			—		Other net operating income (expense)		—		Other net operating income (expense)
	Foreign currencies translation risk and interest rate risk		60,394		169			(2,300	)	Other net operating income (expense)		(52,126	)	Other net operating income (expense)
	Foreign currencies translation risk		8,476		(258	)		416		Other net operating income (expense)		(9,045	)	Other net operating income (expense)

		For the year ended December 31, 2022
		Changes in the value of hedging instruments recognized in OCI			Hedge ineffectiveness recognized in profit or loss		Changes in the value of foreign basis spread recognized in OCI			Line item recognized in the profit or loss	Amounts reclassified from cash flow hedge reserve to profit or loss			Line item affected in profit or loss due to reclassification
Cash flow hedge	Interest rate risk		1,653			37		—		Other net operating income (expense)		220		Other net operating income (expense)
	Foreign currencies translation risk and interest rate risk		58,253			—		(1,721	)	Other net operating income (expense)		(53,743	)	Other net operating income (expense)
	Foreign currencies translation risk		(969	)		—		2,046		Other net operating income (expense)		(16,111	)	Other net operating income (expense)

		For the year ended December 31, 2023
		Changes in the value of hedging instruments recognized in OCI			Hedge ineffectiveness recognized in profit or loss		Changes in the value of foreign basis spread recognized in OCI			Line item recognized in the profit or loss	Amounts reclassified from cash flow hedge reserve to profit or loss			Line item affected in profit or loss due to reclassification
Cash flow hedge	Interest rate risk		(2,433	)		—		—		Other net operating income (expense)		—		Other net operating income (expense)
	Foreign currencies translation risk and interest rate risk		(913	)		—		(4,871	)	Other net operating income (expense)		(11,683	)	Other net operating income (expense)
	Foreign currencies translation risk		13,419			—		(3,521	)	Other net operating income (expense)		(6,950	)	Other net operating income (expense)

Disclosure of gain (loss) on fair value hedge ineffectiveness in profit or loss and other comprehensive income [Table Text Block]

(9) The amounts recognized in profit or loss and other comprehensive income related to the hedging of net investments in foreign operations are as follows (Unit: Korean Won in millions):

	For the year ended December 31, 2022
			Profit or loss recognized in OCI			Hedge ineffectiveness recognized in profit or loss		Line item which recognized the hedge ineffectiveness
Hedges of net investment in foreign operation		Exchange rate risk		(38,797	)		—		—

	For the year ended December 31, 2023
			Profit or loss recognized in OCI			Hedge ineffectiveness recognized in profit or loss		Line item which recognized the hedge ineffectiveness
Hedges of net investment in foreign operation		Exchange rate risk		(19,088	)		5,039		(14,049	)