XML 93 R80.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Financial Risk Management (Tables)

12 Months Ended

Dec. 31, 2023

Statement [LineItems]

Summary of Maximum Exposure to Credit Risk

The maximum exposure to credit risk of the Group’s financial instruments without considering value of collaterals as of December 31, 2022 and 2023, are as follows:

(in millions of Korean won)		December 31, 2022				December 31, 2023
Cash and cash equivalents (except for cash on hand)		￦	2,437,629			￦	2,869,285
Trade and other receivables
Financial assets at amortized costs			7,459,994				8,458,259
Financial assets at fair value through other comprehensive income			129,124				116,198
Contract assets			802,253				832,520
Other financial assets
Derivatives financial assets for hedging			190,830				159,211
Financial assets at fair value through profit or loss			942,274				880,549
Financial assets at fair value through other comprehensive income			5,432				5,913
Financial assets at amortized costs			1,060,058				1,385,921
Total		￦	13,027,594			￦	14,707,856

Summary of Expected Credit Losses Reflect Forward-Looking Information

The expected credit losses reflect forward-looking information. Provision for impairment as of December 31, 2022 and 2023, are as follows:

		December 31, 2022
(in millions of Korean won)		Less than 6 months				7-12 months				More than 1 years				Total
Expected credit loss rate			5.57	%			25.84	%			67.16	%			—
Total carrying amounts		￦	3,443,163			￦	49,491			￦	207,396			￦	3,700,050
Provision for impairment		￦	(191,668	)		￦	(12,789	)		￦	(139,281	)		￦	(343,738	)

		December 31, 2023
(in millions of Korean won)		Less than 6 months				7-12 months				More than 1 years				Total
Expected credit loss rate			5.43	%			21.72	%			54.55	%			—
Total carrying amounts		￦	3,466,588			￦	68,772			￦	235,129			￦	3,770,489
Provision for impairment		￦	(188,086	)		￦	(14,940	)		￦	(128,264	)		￦	(331,290	)

Summary of Details of Changes in Provisions for Impairment of Trade Receivables and Other Financial Assets at Amortized Costs

1) Details of financial assets at fair value through profit or loss as of December 31, 2022 and 2023, are as follows:

(in millions of Korean won)		December 31, 2022				December 31, 2023
Equity Instruments (Listed)		￦	26,647			￦	13,911
Equity Instruments (Unlisted)			72,517				42,185
Debt securities			942,274				880,549
Derivatives held for trading1			23,418				3,016
Total			1,064,856				939,661
Less: non-current			(609,887	)			(782,143	)
Current		￦	454,969			￦	157,518

1 According to a derivative arrangement with LS Marine Solution Co., Ltd. (formerly KT Submarine Co., Ltd.), derivative assets amounting to ￦1,015 million is included as of December 31, 2023. (Note 19).

Summary of Impairment of Trade Receivable

Impairment of trade receivable for the years ended December 31, 2022 and 2023, are as follows:

(in millions of Korean won)		2022				2023
Impairment loss Bad debt expenses		￦	64,522			￦	69,972

Summary of Contractual Undiscounted Cash Flows

These amounts are contractual undiscounted cash flows and can differ from the amount in the consolidated financial statements.

		December 31, 2022
(in millions of Korean won)		Less than 1 year				1-5 years				More than 5 years				Total
Trade and other payables		￦	7,386,703			￦	1,009,559			￦	86,848			￦	8,483,110
Borrowings (including debentures)			2,028,207				6,972,077				2,016,472				11,016,756
Lease liabilities			313,162				615,766				407,833				1,336,761
Other non-derivative financial liabilities			33,279				209,155				93,744				336,178
Financial guarantee contracts1			21,618				—				4,588				26,206
Total		￦	9,782,969			￦	8,806,557			￦	2,609,485			￦	21,199,011

1 It is total amount guaranteed by the Group according to guarantee contracts. Cash flow from financial guarantee contracts is classified as the maturity group in the earliest period when the financial guarantee contracts can be executed.

		December 31, 2023
(in millions of Korean won)		Less than 1 year				1-5 years				More than 5 years				Total
Trade and other payables		￦	8,184,036			￦	730,340			￦	8,040			￦	8,922,416
Borrowings (including debentures)			2,922,557				6,027,323				1,743,842				10,693,722
Lease liabilities			313,431				617,561				409,174				1,340,166
Other non-derivative financial liabilities			372,743				747,221				10,073				1,130,037
Financial guarantee contracts1			13,719				103,000				—				116,719
Total		￦	11,806,486			￦	8,225,445			￦	2,171,129			￦	22,203,060

1 It is total amount guaranteed by the Group according to guarantee contracts. Cash flow from financial guarantee contracts is classified as the maturity group in the earliest period when the financial guarantee contracts can be executed.

Summary of Cash Outflow and Inflow of Derivatives Settled Gross or Net are Undiscounted Contractual Cash Flow

At the end of the reporting period, the cash outflows and inflows by maturity of the Group’s derivatives held for trading and gross-settled derivatives are as follows:

December 31, 2021

(in millions of Korean won)

Less than 1 year

1-5 years

More than 5 years

Total

Derivatives held for trading1

Outflows

￦

—

￦

158,284

￦

—

￦

158,284

Derivatives settled gross2

Outflows

￦

843,489

￦

1,857,942

￦

377,302

￦

3,078,733

Inflows

856,508

1,917,236

394,134

3,167,878

December 31, 2022

(in millions of Korean won)

Less than 1 year

1-5 years

More than 5 years

Total

Derivatives held for trading1

Outflows

￦

—

￦

101,994

￦

930

￦

102,924

Derivatives settled gross2

Outflows

￦

472,005

￦

2,493,858

￦

28,786

￦

2,994,649

Inflows

550,478

2,670,002

37,873

3,258,353

		December 31, 2023
(in millions of Korean won)		Less than 1 year				1-5 years				More than 5 years				Total
Derivatives held for trading1
Outflows		￦	—			￦	133,293			￦	—			￦	133,293
Inflows			—				—				1,015				1,015
Derivatives settled gross2
Outflows		￦	741,140			￦	1,227,166			￦	8,126			￦	1,976,432
Inflows			614,066				2,198,958				36,344				2,849,368

1 During the year ended December 31, 2023, derivative liabilities held-for-trading are classified under the ‘more than one year to less than five years’ category as they are relevant to the fair value of derivatives liabilities related to shareholder-to-share contracts (Note 19).

As these derivatives held-for-trading are managed based on net fair value, their contractual maturities are not necessarily taking into consideration to understand the timing of cash flows.

2 Cash outflow and inflow of gross-settled derivatives are undiscounted contractual cash flow and may differ from the amount in the consolidated statement of financial position.

Summary of Debt-to-equity Ratios

The debt-to-equity ratios as of December 31, 2022 and 2023, are as follows:

(in millions of Korean won)		December 31, 2022				December 31, 2023
Total liabilities		￦	22,577,114			￦	24,249,073
Total equity			18,412,696				18,542,575
Debt-to-equity ratio			123	%			131	%

The Group manages capital on the basis of the gearing ratio. This ratio is calculated as net debt divided by total capital. Net debt is calculated as total borrowings less cash and cash equivalents. Total capital is calculated as ‘equity’ in the statement of financial position plus net debt.

The gearing ratios as of December 31, 2022 and 2023, are as follows:

(in millions of Korean won, %)		December 31, 2022				December 31, 2023
Total borrowings		￦	10,006,685			￦	10,218,165
Less: cash and cash equivalents			(2,449,062	)			(2,879,554	)
Net debt			7,557,623				7,338,611
Total equity			18,412,696				18,542,575
Total capital			25,970,319				25,881,186
Gearing ratio			29	%			28	%

Summary of Group's Recognized Financial Assets Subject to Enforceable Master Netting Arrangements or Similar Agreements

1) Details of the Group’s recognized financial assets subject to enforceable master netting arrangements or similar agreements are as follows:

(in millions of Korean won)		December 31, 2022
		Gross assets				Gross liabilities offset				Net amounts presented in the statement of financial position				Amounts not offset								Net amount
														Financial instruments				Cash collateral
Trade receivables		￦	60,512			￦	—			￦	60,512			￦	(44,518	)		￦	—			￦	15,994
Other financial assets			764				(764	)			—				—				—				—
Total		￦	61,276			￦	(764	)		￦	65,012			￦	(44,518	)		￦	—			￦	15,994

(in millions of Korean won)		December 31, 2023
		Gross assets				Gross liabilities offset				Net amounts presented in the statement of financial position				Amounts not offset								Net amount
														Financial instruments				Cash collateral
Trade receivables		￦	78,415			￦	(1,407	)		￦	77,008			￦	(59,148	)		￦	—			￦	17,860
Other financial assets			759				(757	)			2				(2	)			—				—
Total		￦	79,174			￦	(2,164	)		￦	77,010			￦	(59,150	)		￦	—			￦	17,860

Summary of Group's Recognized Financial Liabilities Subject to Enforceable Master Netting Arrangements or Similar Agreements

2) The Group’s recognized financial liabilities subject to enforceable master netting arrangements or similar agreements are as follows:

(in millions of Korean won)

December 31, 2022

Gross liabilities

Gross assets offset

Net amounts presented in the statement of financial position

Amounts not offset

Net amount

Financial instruments

Cash collateral

Trade payables

￦

47,271

￦

(764

)

￦

46,507

￦

(44,518

)

￦

—

￦

1,989

(in millions of Korean won)		December 31, 2023
		Gross liabilities				Gross assets offset				Net amounts presented in the statement of financial position				Amounts not offset								Net amount
														Financial instruments				Cash collateral
Trade payables		￦	59,602			￦	(757	)		￦	58,845			￦	(56,196	)		￦	—			￦	2,649
Other financial assets			4,362				(1,407	)			2,955				(2,955	)			—				—
Total		￦	63,964			￦	(2,164	)		￦	61,800			￦	(59,151	)		￦	—			￦	2,649

Trade receivables [member]

Statement [LineItems]

Summary of Details of Changes in Provisions for Impairment of Trade Receivables and Other Financial Assets at Amortized Costs

Details of changes in provisions for impairment of trade receivables the years ended December 31, 2022 and 2023, are as follows:

(in millions of Korean won)		2022				2023
Beginning balance		￦	349,725			￦	343,738
Provision			64,522				69,972
Written-off			(68,298	)			(80,126	)
Others			(2,211	)			(2,294	)
Ending balance		￦	343,738			￦	331,290

Other Financial Assets At Amortized Cost [Member]

Statement [LineItems]

Summary of Details of Changes in Provisions for Impairment of Trade Receivables and Other Financial Assets at Amortized Costs

Details of changes in provisions for impairment of other financial assets at amortized costs for the years ended December 31, 2022 and 2023, are as follows:

(in millions of Korean won)		2022				2023
Beginning balance		￦	201,387			￦	218,543
Provision			65,941				114,501
Written-off			(51,383	)			(150,014	)
Reversal			(850	)			(14,941	)
Others			3,448				15,547
Ending balance		￦	218,543			￦	183,636

Currency risk [Member]

Statement [LineItems]

Summary of Exposures to Risks, Effects on Profit before Income Tax and Shareholders' Equity

As of December 31, 2021, 2022 and 2023, if the foreign exchange rate had strengthened/weakened by 10% with all other variables held constant, the effects on profit before income tax and shareholders’ equity would have been as follows:

(in millions of Korean won)		Fluctuation of foreign exchange rate				Impact on profit before income tax1				Impact on equity
2021.12.31			10	%		￦	(3,433	)		￦	8,692
			-10	%			3,433				(8,692	)
2022.12.31			10	%		￦	(5,841	)		￦	(15,836	)
			-10	%			5,841				15,836
2023.12.31			10	%		￦	(10,313	)		￦	(18,460	)
			-10	%			10,313				18,460

Summary of Details of Financial Assets and Liabilities in Foreign Currencies

Details of financial assets and liabilities in foreign currencies as at December 31, 2021, 2022 and 2023, are as follows:

(In thousands of foreign currencies)		2021								2022								2023
		Financial assets				Financial liabilities				Financial assets				Financial liabilities				Financial assets				Financial liabilities
USD			245,759				2,302,642				106,426				2,336,607				139,807				2,271,673
SDR1			255				722				255				722				254				722
JPY			29,227				30,000,763				32,801				400,002				17,496				400,002
GBP			—				1,005				30				83				—				—
EUR			3,943				10,801				185				7,832				304				7,810
RWF2			586				—				15,521				13,025				402				—
THB3			2,160				—				265				—				244				—
TZS4			1,644				—				1,464				—				21,958				—
BWP5			93				—				183				—				680				—
HKD6			—				105				37				—				—				—
VND7			257,895				—				280,226				—				380,629				—
SGD8			13				284,000				448				284,000				1,375				—
TWD9			—				226				—				—				1,685				—
CHF10			—				161				—				—				—				25
MYR11			—				—				1				—				—				—
BGN12			—				—				62				—				—				—
PKR13			—				—				—				—				114,025				—

1 Special Drawing Rights.

2 Rwanda Franc.

3 Thailand Bhat.

4 Tanzanian Shilling.

5 Botswana Pula.

6 Hong Kong Dollar.

7 Vietnam Dong.

8 Singapore Dollar.

9 Taiwan Dollar.

10 Swiss Franc.

11 Ringgit Malaysia.

12 Bulgarian Lev.

13 Pakistani rupee

Equity price risk [Member]

Statement [LineItems]

Summary of Exposures to Risks, Effects on Profit before Income Tax and Shareholders' Equity

As of December 31, 2021, 2022 and 2023, the Group is exposed to equity securities price risk because the securities held by the Group are traded in active markets. If the market prices had increased/decreased by 10% with all other variables held constant, the effects on profit before income tax and equity would have been as follows:

(in millions of Korean won)		Fluctuation of price		Impact on profit before income tax				Impact on equity
2021.12.31		10%		￦	2,000			￦	4,588
		-10%			(2,000	)			(4,588	)
2022.12.31		10%		￦	2,660			￦	113,948
		-10%			(2,660	)			(113,948	)
2023.12.31		10%		￦	1,473			￦	121,423
		-10%			(1,473	)			(121,423	)

Interest rate risk [Member]

Statement [LineItems]

Summary of Exposures to Risks, Effects on Profit before Income Tax and Shareholders' Equity

As of December 31, 2021, 2022 and 2023, if the market interest rate had increased/decreased by 100 bp with other variables held constant, the effects on profit before income tax and shareholders’ equity would be as follows:

(in millions of Korean won)		Fluctuation of interest rate				Impact on profit before income tax				Impact on equity
2021.12.31			+ 100 bp			￦	753			￦	5,549
			- 100 bp				(731	)			(5,675	)
2022.12.31			+ 100 bp			￦	635			￦	(2,045	)
			- 100 bp				(669	)			2,100
2023.12.31			+ 100 bp			￦	(2,693	)		￦	(4,718	)
			- 100 bp				2,696				5,037

X

- Definition

The disclosure of the credit risk exposure. Credit risk exposure is the credit risk inherent in an entity’s financial assets and commitments to extend credit.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 35M
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35M&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DisclosureOfCreditRiskExposureExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of financial assets. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DisclosureOfFinancialAssetsExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of impairment loss and the reversal of impairment loss. [Refer: Impairment loss; Reversal of impairment loss]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2023-01-01
-Paragraph 126
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_126&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of the provision matrix.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 35N
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35N&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DisclosureOfProvisionMatrixExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of the reconciliation of the net amounts presented in the statement of financial position for financial assets that are offset or that are subject to an enforceable master netting arrangement or similar agreement, to the individual line item amounts presented in the statement of financial position. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph B46
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B46&doctype=Appendix&subtype=B
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DisclosureOfReconciliationOfFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of the reconciliation of the net amounts presented in the statement of financial position for financial liabilities that are offset or that are subject to an enforceable master netting arrangement or similar agreement, to the individual line item amounts presented in the statement of financial position. [Refer: Financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph B46
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B46&doctype=Appendix&subtype=B
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DisclosureOfReconciliationOfFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types: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 2023-01-01
-Paragraph 39
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_39_b&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types: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 2023-01-01
-Paragraph 39
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_39_a&doctype=Standard
-URIDate 2023-03-23

+ Details

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

X

- Definition

The disclosure of the sensitivity analysis for types of market risk to which the entity is exposed, showing how profit or loss and equity would have been affected by changes in the relevant risk variable that were reasonably possible at that date. [Refer: Market risk [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 40
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_40_a&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of debt equity ratio.

+ References

No definition available.

+ Details

Name:	kt_DisclosureOfDebtEquityRatioExplanatory
Namespace Prefix:	kt_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of financial assets and financial liabilities.

+ References

No definition available.

+ Details

Name:	kt_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatory
Namespace Prefix:	kt_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kt_StatementLineItems
Namespace Prefix:	kt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=ifrs-full_TradeReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=kt_OtherFinancialAssetsAtAmortizedCostMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_EquityPriceRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_InterestRateRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: