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Risk Management (Tables)

12 Months Ended

Dec. 31, 2021

Risk Management [Abstract]

Capital risk management

Details of the Company’s capital management accounts as of December 31, 2020 and 2021 are as follows:

						2020				2021
						In millions of won
Total borrowings and debt securities		￦					69,724,581				80,529,513
Cash and cash equivalents							2,029,584				2,635,238
Net borrowings and debt securities							67,694,997				77,894,275
Total equity							70,666,846				65,311,849
Debt to equity ratio							95.79	%			119.27	%

Credit risk management

Book values of the financial assets represent the maximum exposed amounts of the credit risk. Details of the Company’s level of maximum exposure to credit risk as of December 31, 2020 and 2021 are as follows:

						2020				2021
						In millions of won
Cash and cash equivalents		￦					2,029,584				2,635,238
Financial assets at fair value through profit or loss(*1)							1,808,404				932,736
Derivative assets (trading)							110,764				443,027
Financial assets at fair value through other comprehensive income (debt securities)							—				491
Financial assets at amortized cost							14,422				25,273
Loans							790,162				909,071
Long-term/short-term financial instruments							2,062,103				1,728,508
Derivative assets (applying hedge accounting)							55,649				204,756
Trade and other receivables							9,780,039				10,029,276
Financial guarantee contracts(*2)							3,224,696				3,718,015

(*1) Equity investments held by the Company are excluded.

(*2) Maximum exposure associated with the financial guarantee contracts is the maximum amounts of the obligation.

Sensitivity analysis of Defined benefit obligation

A sensitivity analysis of defined benefit obligation assuming a 1% increase and decrease movements in the actuarial valuation assumptions as of December 31, 2020 and 2021 are as follows:

								2020								2021
Type		Accounts						1% Increase				1% Decrease				1% Increase				1% Decrease
								In millions of won
Future salary increases		Increase (decrease) in defined benefit obligation		￦					488,087				(425,708	)			466,832				(407,554	)
Discount rate		Increase (decrease) in defined benefit obligation							(443,527	)			524,856				(422,290	)			499,571

Changes of employee benefits assuming a 1% increase and decrease movements in discount rate on plan asset for the years ended December 31, 2020 and 2021 are ￦20,960 million and ￦25,649 million, respectively.

Changes in provisions due to movements in underlying assumptions

Changes in provisions due to movements in underlying assumptions as of December 31, 2020 and 2021 are as follows:

Type		Accounts		2020				2021
PCBs		Inflation rate			1.06	%			1.37	%
		Discount rate			1.83	%			1.88	%
Nuclear plants		Inflation rate			1.07	%			1.41	%
		Discount rate			2.20	%			2.20	%
Spent fuel		Inflation rate			2.93	%			2.93	%
		Discount rate			4.49	%			4.49	%

Sensitivity analysis of Provisions due to movements in underlying assumptions

A sensitivity analysis of provisions assuming a 0.1% increase and decrease movements in the underlying assumptions as of December 31, 2020 and 2021 are as follows:

								2020								2021
Type		Accounts						0.1% Increase				0.1% Decrease				0.1% Increase				0.1% Decrease
								In millions of won
Discount rate		PCBs		￦					(292	)			293				(222	)			223
		Nuclear plants							(326,926	)			336,928				(369,540	)			381,026
		Spent fuel							(51,558	)			53,571				(51,430	)			53,438
Inflation rate		PCBs							295				(294	)			224				(224	)
		Nuclear plants							357,676				(347,450	)			403,420				(391,754	)
		Spent fuel							54,345				(52,375	)			54,210				(52,245	)

Foreign currency risk

The Company undertakes transactions denominated in foreign currencies; consequently, exposures to exchange rate fluctuations arise. The carrying amounts of the Company’s foreign currency denominated monetary assets and monetary liabilities as of December 31, 2020 and 2021 are as follows:

		Assets								Liabilities
Type		2020				2021				2020				2021
		In thousands of foreign currencies
AED			39,678				6,481				31,594				31,637
AUD			133				3,733				707,538				926,960
BDT			93,442				50,145				—				577
BWP			890				939				—				—
EGP			—				—				948				595
CAD			247				582				1,840				2,266
CHF			—				—				500,406				500,230
CZK			—				—				2,033				386
EUR			310				1,809				121,069				42,981
GBP			—				—				43				—
HKD			—				—				1,651,839				1,651,665
IDR			342,496				768,731				555,241				995,510
INR			1,231,895				1,715,900				155,134				342,833
JOD			1,673				1,852				—				118
JPY			825,269				697,747				484,585				153,383
KZT			1,510				1,510				—				—
MGA			5,645,349				4,262,857				—				475,807
MMK			11,032				210,335				—				—
MYR			—				1,964				—				—
PHP			191,122				164,167				104,161				104,245
PKR			371,328				200,844				12,222				74,423
SAR			2,178				2,615				—				—
SEK			—				—				449,824				449,167
USD			1,445,522				1,381,441				12,234,563				12,023,085
UYU			78,265				90,930				1,585				3,097
VND			672,563				952,135				—				262,372
ZAR			303				31,971				—				—

Sensitivity analysis of Foreign currency risk

A sensitivity analysis on the Company’s income for the period assuming a 10% increase and decrease in currency exchange rates as of December 31, 2020 and 2021 are as follows:

 

						2020								2021
Type						10% Increase				10% Decrease				10% Increase				10% Decrease
						In millions of won
Increase (decrease) of profit before income tax		￦					(1,336,821	)			1,336,821				(1,439,185	)			1,439,185
Increase (decrease) of equity(*)							(1,336,821	)			1,336,821				(1,439,185	)			1,439,185

(*) The effect on the shareholders’ equity excluding the impact of income taxes.

Interest rate risk

The Company’s borrowings and debt securities with floating interest rates as of December 31, 2020 and 2021 are as follows:

Type						2020				2021
						In millions of won
Short-term borrowings		￦					171,518				391,897
Long-term borrowings							2,191,322				2,405,244
Debt securities							250,968				257,667
		￦					2,613,808				3,054,808

Sensitivity analysis of Interest rate risk

A sensitivity analysis on the Company’s long-term borrowings and debt securities assuming a 1% increase and decrease in interest rates, without consideration of hedge effect of related derivatives for the years ended December 31, 2020 and 2021 are as follows:

						2020								2021
Type						1% Increase				1% Decrease				1% Increase				1% Decrease
						In millions of won
Increase (decrease) of profit before income tax		￦					(26,138	)			26,138				(30,548	)			30,548
Increase (decrease) of shareholder’s equity(*)							(26,138	)			26,138				(30,548	)			30,548

(*) The effect on the shareholders’ equity excluding the impact of income taxes.

Electricity rates risk

A sensitivity analysis on the Company’s income for the period assuming a 1% increase and decrease in price of electricity for the years ended December 31, 2020 and 2021 is as follows:

						2020								2021
Type						1% Increase				1% Decrease				1% Increase				1% Decrease
						In millions of won
Increase (decrease) of profit before income tax		￦					557,310				(557,310	)			572,102				(572,102	)
Increase (decrease) of shareholder’s equity(*)							557,310				(557,310	)			572,102				(572,102	)

(*) The effect on the equity excluding the impact of income taxes.

Details of maturities of non-derivative financial liabilities

The expected maturities for non-derivative financial liabilities as of December 31, 2020 and 2021 in detail are as follows:

						2020
Type						Less than 1 year				1~2 Years				2~5 Years				More than 5 years				Total
						In millions of won
Borrowings and debt securities		￦					12,413,346				10,919,041				24,778,020				34,215,888				82,326,295
Finance lease liabilities							614,442				569,161				1,564,377				2,461,557				5,209,537
Trade and other payables							5,679,856				373,907				894,903				1,167,171				8,115,837
Financial guarantee contracts(*)							926,244				348,860				26,230				1,923,362				3,224,696
		￦					19,633,888				12,210,969				27,263,530				39,767,978				98,876,365

 

						2021
Type						Less than 1 year				1~2 Years				2~5 Years				More than 5 years				Total
						In millions of won
Borrowings and debt securities		￦					15,833,589				11,229,657				28,663,693				36,223,543				91,950,482
Lease liabilities							620,121				636,724				1,521,421				2,150,722				4,928,988
Trade and other payables							7,569,869				777,017				725,231				667,304				9,739,421
Financial guarantee contracts(*)							435,729				—				3,105,599				176,687				3,718,015
		￦					24,459,308				12,643,398				34,015,944				39,218,256				110,336,906

(*) This represents the total guarantee amounts associated with the financial guarantee contracts. Financial guarantee liabilities which are recognized as of December 31, 2020 and 2021 are ￦66,354 million and ￦80,841 million, respectively.

The expected maturities for non-derivative financial assets

The expected maturities for non-derivative financial assets as of December 31, 2020 and 2021 in detail are as follows:

 

						2020
Type						Less than 1 year				1~5 Years				More than 5 years				Other (*)				Total
						In millions of won
Cash and cash equivalents		￦					2,029,584				—				—				—				2,029,584
Financial assets at fair value through other comprehensive income							—				—				—				358,559				358,559
Financial assets at amortized cost							13,149				1,265				8				—				14,422
Loans							78,805				385,571				325,212				31,506				821,094
Long-term/short-term financial instruments							1,483,482				252,349				386				325,886				2,062,103
Financial assets at fair value through profit or loss							1,196,101				—				2,690				682,591				1,881,382
Trade and other receivables							7,920,005				1,160,400				704,494				—				9,784,899
		￦					12,721,126				1,799,585				1,032,790				1,398,542				16,952,043

						2021
Type						Less than 1 year				1~5 Years				More than 5 years				Other (*)				Total
						In millions of won
Cash and cash equivalents		￦					2,635,238				—				—				—				2,635,238
Financial assets at fair value through other comprehensive income							—				—				—				435,107				435,107
Financial assets at amortized cost							15,422				9,840				11				—				25,273
Loans							88,396				443,146				407,584				—				939,126
Long-term/short-term financial instruments							1,278,014				171,636				286				278,572				1,728,508
Financial assets at fair value through profit or loss							360,833				346				3,130				668,555				1,032,864
Trade and other receivables							8,123,455				1,233,703				679,048				—				10,036,206
		￦					12,501,358				1,858,671				1,090,059				1,382,234				16,832,322

(*) The maturities cannot be presently determined.

Derivative liabilities classified by maturity periods which from reporting date to maturity date of contracts

Derivative liabilities classified by maturity periods which from reporting date to maturity dates as per the contracts as of December 31, 2020 and 2021 are as follows:

 

						2020
Type						Less than 1 year				1~2 Years				2~5 Years				More than 5 years				Total
						In millions of won
Net settlement
—Trading		￦					—				—				—				—				—
Gross settlement
—Trading							(12,777	)			(22,827	)			(118,704	)			(4,380	)			(158,688	)
—Hedging							(37,858	)			(39,528	)			(75,450	)			(55,208	)			(208,044	)
		￦					(50,635	)			(62,355	)			(194,154	)			(59,588	)			(366,732	)
						2021
Type						Less than 1 year				1~2 Years				2~5 Years				More than 5 years				Total
						In millions of won
Net settlement
—Trading		￦					—				—				—				—				—
Gross settlement
—Trading							(6,628	)			(4,954	)			(33,635	)			(2,291	)			(47,508	)
—Hedging							(2,555	)			(638	)			(1,914	)			(23,704	)			(28,811	)
		￦					(9,183	)			(5,592	)			(35,549	)			(25,995	)			(76,319	)

Derivative assets classified by maturity periods which from reporting date to maturity dates as per the contracts

Derivative assets classified by maturity periods which from reporting date to maturity dates as per the contracts as of December 31, 2020 and 2021 are as follows:

						2020
Type						Less than 1 year				1~2 Years				2~5 Years				More than 5 years				Total
						In millions of won
Net settlement
—Trading		￦					—				—				—				—				—
Gross settlement
—Trading							18,332				1,529				45,237				52,163				117,261
—Hedging							11,191				—				41,206				3,252				55,649
		￦					29,523				1,529				86,443				55,415				172,910
						2021
Type						Less than 1 year				1~2 Years				2~5 Years				More than 5 years				Total
						In millions of won
Net settlement
—Trading		￦					—				—				—				—				—
Gross settlement
—Trading							93,554				54,617				202,663				105,856				456,690
—Hedging							33,564				65,198				102,760				3,235				204,757
		￦					127,118				119,815				305,423				109,091				661,447

Fair value and book value of financial assets and liabilities

Fair value and book value of financial assets and liabilities as of December 31, 2020 and 2021 are as follows:

						2020								2021
Type						Book value				Fair value				Book value				Fair value
						In millions of won
Assets recognized at fair value
Financial assets at fair value through other comprehensive income		￦					358,559				358,559				435,107				435,107
Derivative assets (trading)							110,764				110,764				443,027				443,027
Derivative assets (applying hedge accounting)							55,649				55,649				204,756				204,756
Financial assets at fair value through profit or loss							1,881,382				1,881,382				1,032,864				1,032,864
		￦					2,406,354				2,406,354				2,115,754				2,115,754
Assets carried at amortized cost
Financial assets at amortized cost		￦					14,422				14,422				25,273				25,273
Loans and receivables							790,162				790,162				909,071				909,071
Trade and other receivables							9,780,039				9,780,039				10,029,276				10,029,276
Long-term financial instruments							578,621				578,621				450,494				450,494
Short-term financial instruments							1,483,482				1,483,482				1,278,014				1,278,014
Cash and cash equivalents							2,029,584				2,029,584				2,635,238				2,635,238
		￦					14,676,310				14,676,310				15,327,366				15,327,366
Liabilities recognized at fair value
Derivative liabilities (trading)		￦					157,926				157,926				56,256				56,256
Derivative liabilities (applying hedge accounting)							207,193				207,193				21,775				21,775
		￦					365,119				365,119				78,031				78,031
Liabilities carried at amortized cost
Secured borrowings		￦					63,614				63,614				176,358				176,358
Unsecured bond							64,607,401				68,839,316				73,881,671				69,803,043
Lease liabilities							4,621,096				4,621,096				4,410,503				4,410,503
Unsecured borrowings							4,808,206				5,513,242				6,471,484				5,938,613
Trade and other payables(*)							8,115,837				8,115,837				9,739,421				9,739,421
Bank overdraft							245,360				245,360				—				—
		￦					82,461,514				87,398,465				94,679,437				90,067,938

(*) Excludes lease liabilities.

Interest rates used for determining fair value

The discount rates used for calculating fair value as of December 31, 2020 and 2021 are as follows:

Type		2020				2021
Derivatives			(-) 0.73% ~ 3.08%				(-) 0.63% ~ 3.88%
Borrowings and debt securities			(-) 0.53% ~ 4.38%				(-) 0.30% ~ 4.38%
Finance lease			0.57% ~ 16.60%				0.00% ~ 16.83%

Fair value hierarchy

Fair values of financial instruments by hierarchy level as of December 31, 2020 and 2021 are as follows:

						2020
Type						Level 1				Level 2				Level 3				Total
						In millions of won
Financial assets at fair value
Financial assets at fair value through other comprehensive income		￦					194,670				—				163,889				358,559
Derivative assets							—				166,413				—				166,413
Financial assets at fair value through profit or loss							—				1,875,690				5,692				1,881,382
		￦					194,670				2,042,103				169,581				2,406,354
Financial liabilities at fair value
Derivative liabilities		￦					—				365,119				—				365,119

						2021
Type						Level 1				Level 2				Level 3				Total
						In millions of won
Financial assets at fair value
Financial assets at fair value through other comprehensive income		￦					273,826				—				161,281				435,107
Derivative assets							—				647,783				—				647,783
Financial assets at fair value through profit or loss							—				1,027,067				5,797				1,032,864
		￦					273,826				1,674,850				167,078				2,115,754
Financial liabilities at fair value
Derivative liabilities		￦					—				78,031				—				78,031

Changes of financial assets and liabilities which are classified as level 3

Changes of financial assets and liabilities which are classified as level 3 for the years ended December 31, 2020 and 2021 are as follows:

						2020
						Beginning balance				Acquisitions				Reclassified category				Valuation				Disposal				Foreign currency translation and others				Ending balance
						In millions of won
Financial assets at fair value
Financial assets at fair value through profit or loss Cooperative		￦					5,156				359				—				623				(446	)			—				5,692
Financial assets at fair value through other comprehensive income
Unlisted securities							177,968				2,900				—				(23,128	)			(1	)			6,150				163,889
						2021
						Beginning balance				Acquisitions				Reclassified category				Valuation				Disposal				Foreign currency translation and others				Ending balance
						In millions of won
Financial assets at fair value
Financial assets at fair value through profit or loss Cooperative		￦					5,692				—				—				105				—				—				5,797
Financial assets at fair value through other comprehensive income
Unlisted securities							163,889				8,929				—				(12,335	)			(13	)			320				160,790
Debt securities							—				500				—				—				—				(9	)			491

X

- Definition

The disclosure of an analysis of the present value of a defined benefit obligation that distinguishes the nature, characteristics and risks of the obligation. Such a disclosure could distinguish: (a) between amounts owing to active members, deferred members, and pensioners; (b) between vested benefits and accrued but not vested benefits; and (c) between conditional benefits, amounts attributable to future salary increases and other benefits. [Refer: Defined benefit obligation, at present value]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Number 7
-IssueDate 2021-01-01
-Paragraph 39
-Subparagraph a
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