XML 119 R104.htm IDEA: XBRL DOCUMENT v3.25.1

Risk Management (Tables)

12 Months Ended

Dec. 31, 2024

Risk Management [Abstract]

Summary of Capital Risk Management

Details of the Company’s capital management accounts as of December 31, 2023 and 2024 are as follows:

						2023				2024
						In millions of won
Total borrowings and debt securities		￦					133,631,830				132,533,400
Cash and cash equivalents							4,342,887				2,382,979
Net borrowings and debt securities							129,288,943				130,150,421
Total equity							37,264,750				41,362,833
Debt to equity ratio							346.95	%			314.66	%

Summary of Maximum Exposure to Credit Risk

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, 2023 and 2024 are as follows:

						2023				2024
						In millions of won
Cash and cash equivalents		￦					4,342,887				2,382,979
Financial assets at fair value through profit or loss (*1)							2,590,228				2,013,948
Derivative assets (trading)							730,948				1,846,527
Financial assets at fair value through other comprehensive income (debt securities)							4,627				5,045
Financial assets at amortized cost							38,843				30,233
Loans							988,331				908,148
Long-term/short-term financial instruments							1,412,315				1,960,140
Derivative assets (applying hedge accounting)							269,446				844,637
Trade and other receivables							14,179,322				15,373,625
Financial guarantee contracts (*2)							4,399,189				5,151,554

(*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.

Summary of Sensitivity Analysis for Actuarial Assumptions

A sensitivity analysis of defined benefit obligation assuming a 1% increase and decrease movements in the actuarial valuation assumptions as of December 31, 2023 and 2024 are as follows:

								2023								2024
Type		Accounts						1% Increase				1% Decrease				1% Increase				1% Decrease
								In millions of won
Future salary increases		Increase (decrease) in defined benefit obligation		￦					392,392				(361,359	)			473,627				(413,799	)
Discount rate		Increase (decrease) in defined benefit obligation							(371,103	)			415,361				(429,517	)			506,031

Summary of Principal Assumptions on Provisions Valuation

Changes in provisions due to movements in underlying assumptions as of December 31, 2023 and 2024 are as follows:

Type		Accounts		2023				2024
PCBs		Inflation rate			2.40	%			2.80	%
		Discount rate			2.12	%			2.90	%
Nuclear plants		Inflation rate			1.91	%			2.02	%
		Discount rate			2.76	%			2.78	%
Spent fuel		Inflation rate			1.91	%			1.91	%
		Discount rate			2.49	%			2.49	%
Radioactive waste		Inflation rate			3.89	%			3.32	%
		Discount rate			3.65	%			4.17	%

Summary of Sensitivity Analysis for Provisions Assumptions

A sensitivity analysis of provisions assuming a 0.1% increase and decrease movements in the underlying assumptions as of December 31, 2023 and 2024 are as follows:

								2023								2024
Type		Accounts						0.1%p Increase				0.1%p Decrease				0.1%p Increase				0.1%p Decrease
								In millions of won
Discount rate		PCBs		￦					(123	)			123				(58	)			58
		Nuclear plants							(418,570	)			432,847				(464,727	)			481,899
		Spent fuel							(130,065	)			130,761				(129,983	)			130,679
		Radioactive waste							(13,538	)			13,683				(11,363	)			11,478
Inflation rate		PCBs							123				(123	)			58				(58	)
		Nuclear plants							458,047				(443,531	)			507,814				(490,386	)
		Spent fuel							133,931				(128,607	)			133,847				(128,527	)
		Radioactive waste							13,291				(13,174	)			11,167				(11,075	)

Summary of 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, 2023 and 2024 are as follows:

			Assets								Liabilities
Type		2023				2024				2023				2024
		In thousands of foreign currencies
AED			24,441				33,465				18,143				8,795
AUD			4,310				26				299,795				64
BDT			2,260				2,252				—				—
BWP			777				768				—				—
EGP			1,665				203,044				1,941				—
CAD			—				2				—				61
CHF			—				—				499,930				100,686
DOP			—				7,772				—				—
EUR			12,259				20,433				81,744				47,829
GBP			75				139				—				4
HKD			—				—				5,079,189				5,093,862
IDR			25,567,281				37,830,902				2,118,580				4,027,099
INR			1,663,705				1,037,437				387,947				225,042
JOD			569				902				68,448				49,128
JPY			921,120				23,798				8,692,604				7,483,199
KZT			1,510				1,510				—				—
MGA			3,545,076				5,452,745				495,288				248,175
MMK			199,518				188,021				—				—
MYR			2,805				2,805				—				—
PHP			98,154				19,401				6,750				—
PKR			75,206,354				68,734,242				55,531				10,418
SAR			937				1,087				—				—
SEK			—				—				452,309				449,302
SGD			279				291				2,191				110
USD			1,701,494				1,651,765				14,458,985				15,364,685
UYU			120,768				99,189				2,028				1,141
VND			848,242				733,338				—				587,003
ZAR			87,780				79,897				—				—

Summary of Sensitivity Analysis for Foreign Currency Exchange Rates

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, 2023 and 2024 are as follows:

						2023								2024
Type						10% Increase				10% Decrease				10% Increase				10% Decrease
						In millions of won
Increase (decrease) of profit before income tax		￦					(1,828,308	)			1,828,308				(2,114,808	)			2,114,808
Increase (decrease) of equity (*)							(1,828,308	)			1,828,308				(2,114,808	)			2,114,808

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

Summary of Interest Rate Risk

The Company’s borrowings and debt securities with floating interest rates as of December 31, 2023 and 2024 are as follows:

Type						2023				2024
						In millions of won
Short-term borrowings		￦					4,435,420				4,069,444
Long-term borrowings							7,766,588				10,112,707
Debt securities							305,602				41,578
		￦					12,507,610				14,223,729

Summary of Sensitivity Analysis for Interest Rates

A sensitivity analysis on the Company’s long-term borrowings and debt securities assuming a 1% increase and decrease in interest for the years ended December 31, 2023 and 2024 are as follows:

						2023								2024
Type						1%p Increase				1%p Decrease				1%p Increase				1%p Decrease
						In millions of won
Increase (decrease) of profit before income tax		￦					(125,076	)			125,076				(142,237	)			142,237
Increase (decrease) of shareholder’s equity (*)							(125,076	)			125,076				(142,237	)			142,237

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

Summary of Sensitivity Analysis for Electricity Rates

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, 2023 and 2024 is as follows:

						2023								2024
Type						1% Increase				1% Decrease				1% Increase				1% Decrease
						In millions of won
Increase (decrease) of profit before income tax		￦					829,548				(829,548	)			888,898				(888,898	)
Increase (decrease) of shareholder’s equity (*)							829,548				(829,548	)			888,898				(888,898	)

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

Summary of Maturity Analysis for Non Derivative Financial Liabilities

The expected maturities for non-derivative financial liabilities as of December 31, 2023 and 2024 in detail are as follows:

						2023
Type						Less than 1 year				1~2 Years				2~5 Years				More than 5 years				Total
						In millions of won
Borrowings		￦					20,347,945				187,896				627,467				2,779,241				23,942,549
Debt securities							30,530,984				28,858,140				41,793,383				29,999,589				131,182,096
Lease liabilities							641,525				588,850				1,309,995				1,694,730				4,235,100
Trade and other payables (*1)							8,477,209				364,443				833,394				589,004				10,264,050
Financial guarantee contracts (*2)							121,415				2,546,689				1,645,488				85,597				4,399,189
		￦					60,119,078				32,546,018				46,209,727				35,148,161				174,022,984

						2024
Type						Less than 1 year				1~2 Years				2~5 Years				More than 5 years				Total
						In millions of won
Borrowings		￦					18,887,527				430,883				1,300,087				2,032,303				22,650,800
Debt securities							28,967,125				29,601,867				39,451,207				28,885,833				126,906,032
Lease liabilities							632,878				553,030				1,264,310				1,670,416				4,120,634
Trade and other payables (*1)							8,807,823				354,778				631,653				526,846				10,321,100
Financial guarantee contracts (*2)							3,156,187				1,712,801				270,806				11,760				5,151,554
		￦					60,451,540				32,653,359				42,918,063				33,127,158				169,150,120

(*1) Excludes lease liabilities.

(*2) This represents the total guarantee amounts associated with the financial guarantee contracts. Financial guarantee liabilities which are recognized as of December 31, 2023 and 2024 are ￦49,992 and ￦30,924 million, respectively.

Summary of Maturity Analysis for Non Derivative Financial Assets

The expected maturities for non-derivative financial assets as of December 31, 2023 and 2024 in detail are as follows:

						2023
Type						Less than 1 year				1~5 Years				More than 5 years				Other (*)				Total
						In millions of won
Cash and cash equivalents		￦					4,342,887				—				—				—				4,342,887
Financial assets at fair value through other comprehensive income							—				—				—				502,443				502,443
Financial assets at amortized cost							28,905				9,938				—				—				38,843
Loans							139,168				465,666				411,100				8,872				1,024,806
Long-term/short-term financial instruments							578,578				22				23				833,692				1,412,315
Financial assets at fair value through profit or loss							2,054,021				1,381				6,523				649,360				2,711,285
Trade and other receivables							11,990,515				911,822				1,292,539				1,280				14,196,156
		￦					19,134,074				1,388,829				1,710,185				1,995,647				24,228,735
						2024
Type						Less than 1 year				1~5 Years				More than 5 years				Other (*)				Total
						In millions of won
Cash and cash equivalents		￦					2,382,979				—				—				—				2,382,979
Financial assets at fair value through other comprehensive income							—				—				—				674,850				674,850
Financial assets at amortized cost							20,418				1,333				8,482				—				30,233
Loans							110,005				347,251				369,851				118,013				945,120
Long-term/short-term financial instruments							1,147,929				583				—				811,628				1,960,140
Financial assets at fair value through profit or loss							1,467,954				346,982				780,130				494,710				3,089,776
Trade and other receivables							12,245,159				1,506,085				2,126,928				—				15,878,172
		￦					17,374,444				2,202,234				3,285,391				2,099,201				24,961,270

(*) The maturities cannot be presently determined.

Summary of Maturity Analysis for Derivative, Undiscounted Cash Flows

Derivative liabilities classified by maturity periods which from reporting date to maturity dates as per the contracts as of December 31, 2023 and 2024 are as follows:

						2023
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 and others							(22,571	)			(11,566	)			(201,590	)			(130,119	)			(365,846	)
— Hedging							—				(4,680	)			(13,243	)			(5,641	)			(23,564	)
		￦					(22,571)				(16,246	)			(214,833)				(135,760	)			(389,410	)
						2024
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 and others							(46,087	)			(61,259	)			(73,017	)			(31,760	)			(212,123	)
— Hedging							—				—				—				(4,895	)			(4,895	)
		￦					(46,087)				(61,259	)			(73,017)				(36,655	)			(217,018	)

Summary of Maturity Analysis for Derivative Financial Assets

Derivative assets classified by maturity periods which from reporting date to maturity dates as per the contracts as of December 31, 2023 and 2024 are as follows:

						2023
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							257,073				123,132				169,004				145,728				694,937
— Hedging							78,769				61,031				131,687				—				271,487
		￦					335,842				184,163				300,691				145,728				966,424
						2024
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							481,359				685,807				689,026				91,324				1,947,516
— Hedging							363,184				354,837				113,958				6,213				838,192
		￦					844,543				1,040,644				802,984				97,537				2,785,708

Summary of Fair Value Measurement of Instruments

(i) Fair value and book value of financial assets and liabilities as of December 31, 2023 and 2024 are as follows:

						2023								2024
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		￦					502,443				502,443				674,850				674,850
Derivative assets (trading)							730,948				730,948				1,846,527				1,846,527
Derivative assets (hedge designated)							269,446				269,446				844,637				844,637
Financial assets at fair value through profit or loss							2,711,285				2,711,285				2,176,172				2,176,172
		￦					4,214,122				4,214,122				5,542,186				5,542,186
Assets carried at amortized cost
Financial assets at amortized cost		￦					38,843				38,843				30,233				30,233
Loans and receivables							988,331				988,331				908,148				908,148
Trade and other receivables							14,179,322				14,179,322				15,373,625				15,373,625
Long-term financial instruments							833,737				833,737				812,211				812,211
Short-term financial instruments							578,578				578,578				1,147,929				1,147,929
Cash and cash equivalents							4,342,887				4,342,887				2,382,979				2,382,979
		￦					20,961,698				20,961,698				20,655,125				20,655,125
Liabilities recognized at fair value
Derivative liabilities (trading)		￦					428,670				428,670				279,932				279,932
Derivative liabilities (hedge designated)							23,564				23,564				4,893				4,893
		￦					452,234				452,234				284,825				284,825
Liabilities carried at amortized cost
Secured borrowings		￦					773,646				773,646				1,443,125				1,443,125
Unsecured bond							113,792,178				111,218,771				111,874,019				110,798,858
Lease liabilities							3,807,880				3,807,880				3,699,456				3,699,456
Unsecured borrowings							19,062,162				19,061,348				19,040,213				18,994,676
Trade and other payables (*)							10,264,050				10,264,050				10,321,100				10,321,100
Bank overdraft							3,844				3,844				176,043				176,043
		￦					147,703,760				145,129,539				146,553,956				145,433,258

(*) Excludes lease liabilities.

Summary of Significant Unobservable Inputs Used in Fair Value Measurement of Financial Instruments

The discount rates used for calculating fair value as of December 31, 2023 and 2024 are as follows:

Type		2023				2024
Derivatives			0.93% ~ 4.76%				0.03% ~ 4.88%
Borrowings and debt securities			0.96% ~ 5.84%				0.96% ~ 5.84%
Finance lease			0.00% ~ 17.03%				0.00% ~ 17.15%

Summary of Fair Value Measurement of Financial Instruments

Fair values of financial instruments by hierarchy level as of December 31, 2023 and 2024 are as follows:

						2023
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		￦					285,054				—				217,389				502,443
Derivative assets							—				1,000,394				—				1,000,394
Financial assets at fair value through profit or loss							—				2,704,550				6,735				2,711,285
		￦					285,054				3,704,944				224,124				4,214,122
Financial liabilities at fair value
Derivative liabilities		￦					—				452,234				—				452,234
						2024
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		￦					360,096				—				314,754				674,850
Derivative assets							—				2,691,164				—				2,691,164
Financial assets at fair value through profit or loss							—				2,169,300				6,872				2,176,172
		￦					360,096				4,860,464				321,626				5,542,186
Financial liabilities at fair value
Derivative liabilities		￦					—				284,825				—				284,825

Summary of Reconciliation of Changes in Fair Value Measurement, Assets

Changes of financial assets and liabilities which are classified as level 3 for the years ended December 31, 2023 and 2024 are as follows:

						2023
						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		￦					6,329				—				270				136				—				—				6,735
Financial assets at fair value through other comprehensive income
Unlisted securities							202,243				9,550				—				5,445				(5,332	)			856				212,762
Debt securities							529				4,080				—				18				—				—				4,627
						2024
						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		￦					6,735				—				22				115				—				—				6,872
Financial assets at fair value through other comprehensive income
Unlisted securities							212,762				4,000				—				88,256				—				4,691				309,709
Debt securities							4,627				—				—				418				—				—				5,045

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]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 19
-IssueDate 2024-01-01
-Paragraph 137
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_137&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DisclosureOfAnalysisOfPresentValueOfDefinedBenefitObligationThatDistinguishesNatureCharacteristicsAndRisksExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of credit risk. [Refer: Credit risk [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Section Credit risk
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&doctype=Standard&dita_xref=IFRS07_g35A-38_TI
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 10
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_10_e&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DisclosureOfCreditRiskExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure for the effect of changes in foreign exchange rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 21
-IssueDate 2024-01-01
-Section Disclosure
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2024-en-r&doctype=Standard&dita_xref=IAS21_g51-57_TI
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure for fair value measurement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 13
-IssueDate 2024-01-01
-Section Disclosure
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2024-en-r&doctype=Standard&dita_xref=IFRS13_g91-99_TI
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DisclosureOfFairValueMeasurementExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of the fair value of financial instruments. [Refer: Classes of financial instruments [domain]; At fair value [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 10
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_10_e&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of a maturity analysis for derivative financial liabilities, including the remaining contractual maturities for those derivative financial liabilities for which contractual maturities are essential for an understanding of the timing of the cash flows. [Refer: Derivative financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 39
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_39_b&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of a maturity analysis for non-derivative financial liabilities (including issued financial guarantee contracts) that shows the remaining contractual maturities. [Refer: Derivative financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 39
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_39_a&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_ChangesInProvisionsDueToMovementsInUnderlyingAssumptionsExplanatory
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_DisclosureOfCapitalRiskExplanatory
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_DisclosureOfChangesOfFinancialInstrumentsWhichAreClassifiedAsLevel3Explanatory
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_DisclosureOfRiskManagementAbstract
Namespace Prefix:	kep_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of significant unobservable inputs used in fair value measurement of financial instruments explanatory.

+ References

No definition available.

+ Details

Name:	kep_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfFinancialInstrumentsExplanatory
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_ElectricityRateRiskExplanatory
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Foreign Currency Disclosure

+ References

No definition available.

+ Details

Name:	kep_ForeignCurrencyDisclosureTableTextBlock
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_InterestRateRiskExplanatory
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_MaturityAnalysisForDerivativeFinancialAssets
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_MaturityAnalysisForNonderivativeFinancialAssets
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_SensitivityAnalysisOfInterestRateRiskExplanatory
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_SensitivityAnalysisOfProvisionsDueToMovementsInUnderlyingAssumptionsExplanatory
Namespace Prefix:	kep_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration