20-F Filing

KT CORP CIK: 892450 FY 2021

Filing Information

Form Type	20-F
Accession Number	`0001193125-22-125213`
Period End Date	20211231
Filing Date	20220428
Fiscal Year	2021
Fiscal Period	FY
XBRL Instance	d270278d20f_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 99 Income Statement 45 Cash Flow Statement 118 Stockholders Equity 55 Comprehensive Income 39

Balance Sheet 99 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalents`	3,019.59B	KRW	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalents`	2,634.62B	KRW	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalents`	2,703.42B	KRW	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalents`	2,305.89B	KRW	Point-in-time
Trade and other receivables, net	`TradeAndOtherCurrentReceivables`	5,087.49B	KRW	Point-in-time
Trade and other receivables, net	`TradeAndOtherCurrentReceivables`	4,902.47B	KRW	Point-in-time
Other financial assets	`OtherCurrentFinancialAssets`	1,202.84B	KRW	Point-in-time
Other financial assets	`OtherCurrentFinancialAssets`	1,185.66B	KRW	Point-in-time
Current income tax assets	`CurrentTaxAssetsCurrent`	2.06B	KRW	Point-in-time
Current income tax assets	`CurrentTaxAssetsCurrent`	5.95B	KRW	Point-in-time
Inventories, net	`Inventories`	534.64B	KRW	Point-in-time
Inventories, net	`Inventories`	514.14B	KRW	Point-in-time
Assets held for sale	`CurrentFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading`	1.19B	KRW	Point-in-time
Assets held for sale	`CurrentFinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading`	1.20B	KRW	Point-in-time
Other current assets	`OtherCurrentAssets`	1,876.35B	KRW	Point-in-time
Other current assets	`OtherCurrentAssets`	2,044.32B	KRW	Point-in-time
Total current assets	`CurrentAssets`	11,154.18B	KRW	Point-in-time
Total current assets	`CurrentAssets`	11,858.35B	KRW	Point-in-time
Trade and other receivables, net	`NoncurrentReceivables`	1,091.33B	KRW	Point-in-time
Trade and other receivables, net	`NoncurrentReceivables`	1,250.77B	KRW	Point-in-time
Other financial assets	`OtherNoncurrentFinancialAssets`	822.38B	KRW	Point-in-time
Other financial assets	`OtherNoncurrentFinancialAssets`	544.35B	KRW	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipment`	14,206.12B	KRW	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipment`	14,464.89B	KRW	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipment`	13,785.30B	KRW	Point-in-time
Right-of-use assets	`RightofuseAssets`	1,248.31B	KRW	Point-in-time
Right-of-use assets	`RightofuseAssets`	1,217.18B	KRW	Point-in-time
Investment properties, net	`InvestmentPropertyNet`	1,368.45B	KRW	Point-in-time
Investment properties, net	`InvestmentPropertyNet`	1,720.65B	KRW	Point-in-time
Intangible assets, net	`IntangibleAssetsAndGoodwill`	2,834.04B	KRW	Point-in-time
Intangible assets, net	`IntangibleAssetsAndGoodwill`	2,161.26B	KRW	Point-in-time
Intangible assets, net	`IntangibleAssetsAndGoodwill`	3,447.33B	KRW	Point-in-time
Investments in associates and joint ventures	`InvestmentAccountedForUsingEquityMethod`	557.88B	KRW	Point-in-time
Investments in associates and joint ventures	`InvestmentAccountedForUsingEquityMethod`	1,288.43B	KRW	Point-in-time
Deferred income tax assets	`DeferredTaxAssets`	433.70B	KRW	Point-in-time
Deferred income tax assets	`DeferredTaxAssets`	423.73B	KRW	Point-in-time
Other non-current assets	`OtherNoncurrentNonfinancialAssets`	793.95B	KRW	Point-in-time
Other non-current assets	`OtherNoncurrentNonfinancialAssets`	768.66B	KRW	Point-in-time
Total non-current assets	`NoncurrentAssets`	22,508.37B	KRW	Point-in-time
Total non-current assets	`NoncurrentAssets`	25,300.99B	KRW	Point-in-time
Total assets	`Assets`	37,159.34B	KRW	Point-in-time
Total assets	`Assets`	33,662.54B	KRW	Point-in-time
Trade and other payables	`TradeAndOtherCurrentPayables`	6,210.10B	KRW	Point-in-time
Trade and other payables	`TradeAndOtherCurrentPayables`	6,641.42B	KRW	Point-in-time
Borrowings	`CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings`	1,418.11B	KRW	Point-in-time
Borrowings	`CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings`	1,731.42B	KRW	Point-in-time
Other financial liabilities	`OtherCurrentFinancialLiabilities`	72.81B	KRW	Point-in-time
Other financial liabilities	`OtherCurrentFinancialLiabilities`	2.49B	KRW	Point-in-time
Current income tax liabilities	`CurrentTaxLiabilitiesCurrent`	266.43B	KRW	Point-in-time
Current income tax liabilities	`CurrentTaxLiabilitiesCurrent`	232.22B	KRW	Point-in-time
Provisions	`OtherShorttermProvisions`	171.32B	KRW	Point-in-time
Provisions	`OtherShorttermProvisions`	165.99B	KRW	Point-in-time
Deferred revenue	`CurrentDeferredIncomeOtherThanCurrentContractLiabilities`	60.25B	KRW	Point-in-time
Deferred revenue	`CurrentDeferredIncomeOtherThanCurrentContractLiabilities`	64.74B	KRW	Point-in-time
Other current liabilities	`OtherCurrentNonfinancialLiabilities`	1,103.30B	KRW	Point-in-time
Other current liabilities	`OtherCurrentNonfinancialLiabilities`	1,124.29B	KRW	Point-in-time
Total current liabilities	`CurrentLiabilities`	9,192.47B	KRW	Point-in-time
Total current liabilities	`CurrentLiabilities`	10,072.43B	KRW	Point-in-time
Trade and other payables	`NoncurrentPayables`	1,338.78B	KRW	Point-in-time
Trade and other payables	`NoncurrentPayables`	807.54B	KRW	Point-in-time
Borrowings	`LongtermBorrowings`	5,898.18B	KRW	Point-in-time
Borrowings	`LongtermBorrowings`	6,706.28B	KRW	Point-in-time
Other financial liabilities	`OtherNoncurrentFinancialLiabilities`	424.86B	KRW	Point-in-time
Other financial liabilities	`OtherNoncurrentFinancialLiabilities`	260.68B	KRW	Point-in-time
Defined benefit liabilities, net	`NoncurrentRecognisedLiabilitiesDefinedBenefitPlan`	378.09B	KRW	Point-in-time
Defined benefit liabilities, net	`NoncurrentRecognisedLiabilitiesDefinedBenefitPlan`	197.88B	KRW	Point-in-time
Provisions	`OtherLongtermProvisions`	86.08B	KRW	Point-in-time
Provisions	`OtherLongtermProvisions`	86.20B	KRW	Point-in-time
Deferred revenue	`NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities`	149.05B	KRW	Point-in-time
Deferred revenue	`NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities`	194.31B	KRW	Point-in-time
Deferred income tax liabilities	`DeferredTaxLiabilities`	429.33B	KRW	Point-in-time
Deferred income tax liabilities	`DeferredTaxLiabilities`	643.96B	KRW	Point-in-time
Other non-current liabilities	`OtherNoncurrentNonfinancialLiabilities`	927.60B	KRW	Point-in-time
Other non-current liabilities	`OtherNoncurrentNonfinancialLiabilities`	909.57B	KRW	Point-in-time
Total non-current liabilities	`NoncurrentLiabilities`	8,918.64B	KRW	Point-in-time
Total non-current liabilities	`NoncurrentLiabilities`	10,519.75B	KRW	Point-in-time
Total liabilities	`Liabilities`	18,111.11B	KRW	Point-in-time
Total liabilities	`Liabilities`	20,592.18B	KRW	Point-in-time
Share capital	`IssuedCapital`	1,564.50B	KRW	Point-in-time
Share capital	`IssuedCapital`	1,564.50B	KRW	Point-in-time
Share premium	`SharePremium`	1,440.26B	KRW	Point-in-time
Share premium	`SharePremium`	1,440.26B	KRW	Point-in-time
Retained earnings	`RetainedEarnings`	12,155.42B	KRW	Point-in-time
Retained earnings	`RetainedEarnings`	13,287.39B	KRW	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncome`	117.47B	KRW	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncome`	86.05B	KRW	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncome`	194.93B	KRW	Point-in-time
Other components of equity	`OtherEquityInterest`	-1,234.78B	KRW	Point-in-time
Other components of equity	`OtherEquityInterest`	-1,433.08B	KRW	Point-in-time
Equity attributable to owners of the Controlling Company	`EquityAttributableToOwnersOfParent`	14,976.54B	KRW	Point-in-time
Equity attributable to owners of the Controlling Company	`EquityAttributableToOwnersOfParent`	14,011.44B	KRW	Point-in-time
Non-controlling interest	`NoncontrollingInterests`	1,539.99B	KRW	Point-in-time
Non-controlling interest	`NoncontrollingInterests`	1,590.62B	KRW	Point-in-time
Total equity	`Equity`	15,140.68B	KRW	Point-in-time
Total equity	`Equity`	15,551.43B	KRW	Point-in-time
Total equity	`Equity`	14,658.49B	KRW	Point-in-time
Total equity	`Equity`	16,567.16B	KRW	Point-in-time
Total liabilities and equity	`EquityAndLiabilities`	33,662.54B	KRW	Point-in-time
Total liabilities and equity	`EquityAndLiabilities`	37,159.34B	KRW	Point-in-time

Income Statement 45 line items

Line Item	Tag	Value	Unit	Period
Operating revenue	`Revenue`	24,440.65B	KRW	Annual
Operating revenue	`Revenue`	24,899.19B	KRW	Annual
Operating revenue	`Revenue`	25,205.66B	KRW	Annual
Revenue	`RevenueFromProductsAndServices`	24,099.39B	KRW	Annual
Revenue	`RevenueFromProductsAndServices`	24,898.01B	KRW	Annual
Revenue	`RevenueFromProductsAndServices`	24,639.76B	KRW	Annual
Other income	`OtherRevenue`	307.65B	KRW	Annual
Other income	`OtherRevenue`	341.25B	KRW	Annual
Other income	`OtherRevenue`	259.43B	KRW	Annual
Operating expenses	`OperatingExpense`	23,872.22B	KRW	Annual
Operating expenses	`OperatingExpense`	23,506.26B	KRW	Annual
Operating expenses	`OperatingExpense`	23,418.31B	KRW	Annual
Operating profit	`ProfitLossFromOperatingActivities`	1,022.33B	KRW	Annual
Operating profit	`ProfitLossFromOperatingActivities`	1,026.97B	KRW	Annual
Operating profit	`ProfitLossFromOperatingActivities`	1,699.40B	KRW	Annual
Finance income	`FinanceIncome`	424.39B	KRW	Annual
Finance income	`FinanceIncome`	498.61B	KRW	Annual
Finance income	`FinanceIncome`	726.28B	KRW	Annual
Finance costs	`FinanceCosts`	563.33B	KRW	Annual
Finance costs	`FinanceCosts`	507.38B	KRW	Annual
Finance costs	`FinanceCosts`	432.13B	KRW	Annual
Share of net profits of associates and joint ventures	`ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod`	18.04B	KRW	Annual
Share of net profits of associates and joint ventures	`ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod`	116.06B	KRW	Annual
Share of net profits of associates and joint ventures	`ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod`	-3.30B	KRW	Annual
Profit before income tax	`ProfitLossBeforeTax`	1,978.41B	KRW	Annual
Profit before income tax	`ProfitLossBeforeTax`	1,015.93B	KRW	Annual
Profit before income tax	`ProfitLossBeforeTax`	1,031.61B	KRW	Annual
Income tax expense	`IncomeTaxExpenseContinuingOperations`	519.02B	KRW	Annual
Income tax expense	`IncomeTaxExpenseContinuingOperations`	320.06B	KRW	Annual
Income tax expense	`IncomeTaxExpenseContinuingOperations`	285.35B	KRW	Annual
Profit for the year	`ProfitLoss`	695.87B	KRW	Annual
Profit for the year	`ProfitLoss`	1,459.39B	KRW	Annual
Profit for the year	`ProfitLoss`	746.26B	KRW	Annual
Profit (loss) for the year attributable to Owners of the Controlling Company	`ProfitLossAttributableToOwnersOfParent`	700.89B	KRW	Annual
Profit (loss) for the year attributable to Owners of the Controlling Company	`ProfitLossAttributableToOwnersOfParent`	645.70B	KRW	Annual
Profit (loss) for the year attributable to Owners of the Controlling Company	`ProfitLossAttributableToOwnersOfParent`	1,356.88B	KRW	Annual
Profit (loss) for the year attributable to Non-controlling interest	`ProfitLossAttributableToNoncontrollingInterests`	45.37B	KRW	Annual
Profit (loss) for the year attributable to Non-controlling interest	`ProfitLossAttributableToNoncontrollingInterests`	102.52B	KRW	Annual
Profit (loss) for the year attributable to Non-controlling interest	`ProfitLossAttributableToNoncontrollingInterests`	50.16B	KRW	Annual
Basic earnings per share	`BasicEarningsLossPerShare`	2,634.00	KRW	Annual
Basic earnings per share	`BasicEarningsLossPerShare`	5,759.00	KRW	Annual
Basic earnings per share	`BasicEarningsLossPerShare`	2,858.00	KRW	Annual
Diluted earnings per share	`DilutedEarningsLossPerShare`	5,747.00	KRW	Annual
Diluted earnings per share	`DilutedEarningsLossPerShare`	2,858.00	KRW	Annual
Diluted earnings per share	`DilutedEarningsLossPerShare`	2,632.00	KRW	Annual

Cash Flow Statement 118 line items

Line Item	Tag	Value	Unit	Period
Cash generated from operations	`CashFlowsFromUsedInOperations`	4,745.29B	KRW	Annual
Cash generated from operations	`CashFlowsFromUsedInOperations`	5,829.61B	KRW	Annual
Cash generated from operations	`CashFlowsFromUsedInOperations`	4,058.07B	KRW	Annual
Interest paid	`InterestPaidClassifiedAsOperatingActivities`	257.81B	KRW	Annual
Interest paid	`InterestPaidClassifiedAsOperatingActivities`	254.85B	KRW	Annual
Interest paid	`InterestPaidClassifiedAsOperatingActivities`	255.91B	KRW	Annual
Interest received	`InterestReceivedClassifiedAsOperatingActivities`	259.84B	KRW	Annual
Interest received	`InterestReceivedClassifiedAsOperatingActivities`	272.06B	KRW	Annual
Interest received	`InterestReceivedClassifiedAsOperatingActivities`	276.35B	KRW	Annual
Dividends received	`DividendsReceivedClassifiedAsOperatingActivities`	74.44B	KRW	Annual
Dividends received	`DividendsReceivedClassifiedAsOperatingActivities`	19.62B	KRW	Annual
Dividends received	`DividendsReceivedClassifiedAsOperatingActivities`	18.92B	KRW	Annual
Income tax paid	`IncomeTaxesPaidClassifiedAsOperatingActivities`	352.25B	KRW	Annual
Income tax paid	`IncomeTaxesPaidClassifiedAsOperatingActivities`	356.47B	KRW	Annual
Income tax paid	`IncomeTaxesPaidClassifiedAsOperatingActivities`	30.07B	KRW	Annual
Net cash inflow from operating activities	`CashFlowsFromUsedInOperatingActivities`	4,739.83B	KRW	Annual
Net cash inflow from operating activities	`CashFlowsFromUsedInOperatingActivities`	5,561.83B	KRW	Annual
Net cash inflow from operating activities	`CashFlowsFromUsedInOperatingActivities`	3,745.17B	KRW	Annual
Collection of loans	`CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities`	63.44B	KRW	Annual
Collection of loans	`CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities`	63.52B	KRW	Annual
Collection of loans	`CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities`	54.93B	KRW	Annual
Loans granted	`CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities`	54.13B	KRW	Annual
Loans granted	`CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities`	48.73B	KRW	Annual
Loans granted	`CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities`	65.14B	KRW	Annual
Disposal of financial assets at fair value through profit or loss	`ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughProfitOrLoss`	720.15B	KRW	Annual
Disposal of financial assets at fair value through profit or loss	`ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughProfitOrLoss`	609.85B	KRW	Annual
Disposal of financial assets at fair value through profit or loss	`ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughProfitOrLoss`	528.65B	KRW	Annual
Disposal of financial assets at amortized cost	`ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost`	528.75B	KRW	Annual
Disposal of financial assets at amortized cost	`ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost`	422.64B	KRW	Annual
Disposal of financial assets at amortized cost	`ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost`	690.46B	KRW	Annual
Disposal of financial assets at fair value through other comprehensive income	`ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome`	244.99B	KRW	Annual
Disposal of financial assets at fair value through other comprehensive income	`ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome`	351.06B	KRW	Annual
Disposal of assets held-for-sale	`ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations`	83.24B	KRW	Annual
Disposal of assets held-for-sale	`ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations`	28.83B	KRW	Annual
Disposal of investments in associates and joint ventures	`ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod`	16.93B	KRW	Annual
Disposal of investments in associates and joint ventures	`ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod`	10.88B	KRW	Annual
Disposal of investments in associates and joint ventures	`ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod`	24.00M	KRW	Annual
Acquisition of investments in associates and joint ventures	`PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod`	487.83B	KRW	Annual
Acquisition of investments in associates and joint ventures	`PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod`	29.98B	KRW	Annual
Acquisition of investments in associates and joint ventures	`PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod`	273.41B	KRW	Annual
Disposal of property and equipment, and investment properties	`ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets`	42.55B	KRW	Annual
Disposal of property and equipment, and investment properties	`ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets`	174.41B	KRW	Annual
Disposal of property and equipment, and investment properties	`ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets`	49.83B	KRW	Annual
Acquisition of property and equipment, and investment properties	`PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets`	3,263.34B	KRW	Annual
Acquisition of property and equipment, and investment properties	`PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets`	3,207.57B	KRW	Annual
Acquisition of property and equipment, and investment properties	`PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets`	3,495.02B	KRW	Annual
Acquisition of financial assets at fair value through profit or loss	`PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLoss`	793.98B	KRW	Annual
Acquisition of financial assets at fair value through profit or loss	`PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLoss`	521.14B	KRW	Annual
Acquisition of financial assets at fair value through profit or loss	`PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLoss`	753.91B	KRW	Annual
Acquisition of financial assets at amortized cost	`PurchaseOfFinancialAssetsAtAmortizedCost`	623.92B	KRW	Annual
Acquisition of financial assets at amortized cost	`PurchaseOfFinancialAssetsAtAmortizedCost`	759.18B	KRW	Annual
Acquisition of financial assets at amortized cost	`PurchaseOfFinancialAssetsAtAmortizedCost`	501.84B	KRW	Annual
Acquisition of financial assets at fair value through other comprehensive income	`PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome`	131.67B	KRW	Annual
Acquisition of financial assets at fair value through other comprehensive income	`PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome`	14.09B	KRW	Annual
Acquisition of financial assets at fair value through other comprehensive income	`PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome`	14.28B	KRW	Annual
Disposal of intangible assets	`ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities`	13.36B	KRW	Annual
Disposal of intangible assets	`ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities`	12.10B	KRW	Annual
Disposal of intangible assets	`ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities`	11.62B	KRW	Annual
Disposal of right-of-use assets	`ProceedsFromDisposalOfRightOfUseAssets`	2.02B	KRW	Annual
Disposal of right-of-use assets	`ProceedsFromDisposalOfRightOfUseAssets`	9.39B	KRW	Annual
Disposal of right-of-use assets	`ProceedsFromDisposalOfRightOfUseAssets`	318.00M	KRW	Annual
Discontinued operations	`ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsDiscontinuedOperations`	205.00M	KRW	Annual
Discontinued operations	`ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsDiscontinuedOperations`	1.98B	KRW	Annual
Acquisition of intangible assets	`PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities`	752.18B	KRW	Annual
Acquisition of intangible assets	`PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities`	511.09B	KRW	Annual
Acquisition of intangible assets	`PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities`	530.77B	KRW	Annual
Acquisition of right-of-use assets	`PurchaseOfRightOfUseAssets`	6.24B	KRW	Annual
Acquisition of right-of-use assets	`PurchaseOfRightOfUseAssets`	5.82B	KRW	Annual
Acquisition of right-of-use assets	`PurchaseOfRightOfUseAssets`	4.26B	KRW	Annual
Decrease in cash due to changes in scope of consolidation	`CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013`	-671.36B	KRW	Annual
Decrease in cash due to changes in scope of consolidation	`CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013`	-41.02B	KRW	Annual
Increase in cash due to changes in scope of consolidation	`IncreaseInCashDueToChangesInScopeOfConsolidation`	-39.34B	KRW	Annual
Net cash outflow from investing activities	`CashFlowsFromUsedInInvestingActivities`	-5,137.47B	KRW	Annual
Net cash outflow from investing activities	`CashFlowsFromUsedInInvestingActivities`	-3,887.47B	KRW	Annual
Net cash outflow from investing activities	`CashFlowsFromUsedInInvestingActivities`	-3,761.47B	KRW	Annual
Proceeds from borrowings and debentures	`ProceedsFromBorrowingsClassifiedAsFinancingActivities`	2,899.57B	KRW	Annual
Proceeds from borrowings and debentures	`ProceedsFromBorrowingsClassifiedAsFinancingActivities`	1,795.22B	KRW	Annual
Proceeds from borrowings and debentures	`ProceedsFromBorrowingsClassifiedAsFinancingActivities`	1,951.57B	KRW	Annual
Repayments of borrowings and debentures	`RepaymentsOfBorrowingsClassifiedAsFinancingActivities`	1,999.17B	KRW	Annual
Repayments of borrowings and debentures	`RepaymentsOfBorrowingsClassifiedAsFinancingActivities`	1,627.35B	KRW	Annual
Repayments of borrowings and debentures	`RepaymentsOfBorrowingsClassifiedAsFinancingActivities`	1,377.39B	KRW	Annual
Settlement of derivative assets and liabilities, net	`ProceedsFromPaymentsForSettlementOfDerivativeAssetsAndLiabilities`	23.90B	KRW	Annual
Settlement of derivative assets and liabilities, net	`ProceedsFromPaymentsForSettlementOfDerivativeAssetsAndLiabilities`	-1.50B	KRW	Annual
Settlement of derivative assets and liabilities, net	`ProceedsFromPaymentsForSettlementOfDerivativeAssetsAndLiabilities`	36.59B	KRW	Annual
Cash inflow from consolidated capital transactions	`ProceedsFromContributionsOfNoncontrollingInterests`	67.69B	KRW	Annual
Cash outflow from consolidated capital transactions	`PaymentsOfOtherEquityInstruments`	11.00B	KRW	Annual
Cash outflow from consolidated capital transactions	`PaymentsOfOtherEquityInstruments`	122.92B	KRW	Annual
Cash outflow from consolidated capital transactions	`PaymentsOfOtherEquityInstruments`	1.19B	KRW	Annual
Cash inflow from other financing activities	`OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities`	35.85B	KRW	Annual
Cash inflow from other financing activities	`OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities`	2.56B	KRW	Annual
Cash inflow from other financing activities	`OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities`	65.70B	KRW	Annual
Dividends paid to shareholders	`DividendsPaidClassifiedAsFinancingActivities`	305.16B	KRW	Annual
Dividends paid to shareholders	`DividendsPaidClassifiedAsFinancingActivities`	350.33B	KRW	Annual
Dividends paid to shareholders	`DividendsPaidClassifiedAsFinancingActivities`	310.57B	KRW	Annual
Acquisition of treasury stock	`PaymentsToAcquireOrRedeemEntitysShares`	193.63B	KRW	Annual
Acquisition of treasury stock	`PaymentsToAcquireOrRedeemEntitysShares`	114.68B	KRW	Annual
Cash outflow from other financing activities	`OtherOutflowsOfCashClassifiedAsFinancingActivities`	60.90B	KRW	Annual
Decrease in finance leases liabilities	`PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities`	394.57B	KRW	Annual
Decrease in finance leases liabilities	`PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities`	447.78B	KRW	Annual
Decrease in finance leases liabilities	`PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities`	485.44B	KRW	Annual
Decrease in other liabilities	`DecreaseInOtherLiabilitiesClassifiedAsFinancingActivities`	13.67B	KRW	Annual
Net cash outflow from financing activities	`CashFlowsFromUsedInFinancingActivities`	-41.28B	KRW	Annual
Net cash outflow from financing activities	`CashFlowsFromUsedInFinancingActivities`	-249.75B	KRW	Annual
Net cash outflow from financing activities	`CashFlowsFromUsedInFinancingActivities`	-647.59B	KRW	Annual
Effect of exchange rate change on cash and cash equivalents	`EffectOfExchangeRateChangesOnCashAndCashEquivalents`	-2.04B	KRW	Annual
Effect of exchange rate change on cash and cash equivalents	`EffectOfExchangeRateChangesOnCashAndCashEquivalents`	-5.48B	KRW	Annual
Effect of exchange rate change on cash and cash equivalents	`EffectOfExchangeRateChangesOnCashAndCashEquivalents`	1.89B	KRW	Annual
Net increase (decrease) in cash and cash equivalents	`IncreaseDecreaseInCashAndCashEquivalents`	-397.53B	KRW	Annual
Net increase (decrease) in cash and cash equivalents	`IncreaseDecreaseInCashAndCashEquivalents`	328.73B	KRW	Annual
Net increase (decrease) in cash and cash equivalents	`IncreaseDecreaseInCashAndCashEquivalents`	384.97B	KRW	Annual
Cash and cash equivalents at beginning of year	`CashAndCashEquivalents`	3,019.59B	KRW	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalents`	2,634.62B	KRW	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalents`	2,703.42B	KRW	Point-in-time
Cash and cash equivalents at beginning of year	`CashAndCashEquivalents`	2,305.89B	KRW	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalents`	3,019.59B	KRW	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalents`	2,634.62B	KRW	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalents`	2,703.42B	KRW	Point-in-time
Cash and cash equivalents at end of year	`CashAndCashEquivalents`	2,305.89B	KRW	Point-in-time

Stockholders Equity 55 line items

Line Item	Tag	Value	Unit	Period
Beginning balance	`Equity`	15,140.68B	KRW	Point-in-time
Beginning balance	`Equity`	15,551.43B	KRW	Point-in-time
Beginning balance	`Equity`	14,658.49B	KRW	Point-in-time
Beginning balance	`Equity`	16,567.16B	KRW	Point-in-time
Profit for the year	`ProfitLoss`	695.87B	KRW	Annual
Profit for the year	`ProfitLoss`	1,459.39B	KRW	Annual
Profit for the year	`ProfitLoss`	746.26B	KRW	Annual
Remeasurements of net defined benefit liabilities	`OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans`	-25.78B	KRW	Annual
Remeasurements of net defined benefit liabilities	`OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans`	55.82B	KRW	Annual
Remeasurements of net defined benefit liabilities	`OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans`	-60.18B	KRW	Annual
Share of gain on remeasurements of associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax`	786.00M	KRW	Annual
Share of gain on remeasurements of associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax`	649.00M	KRW	Annual
Share of gain on remeasurements of associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax`	-1.60B	KRW	Annual
Share of other comprehensive income of associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax`	2.52B	KRW	Annual
Share of other comprehensive income of associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax`	-24.22B	KRW	Annual
Share of other comprehensive income of associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax`	15.93B	KRW	Annual
Valuation gains (losses) on cashflow hedge	`OtherComprehensiveIncomeNetOfTaxCashFlowHedges`	5.27B	KRW	Annual
Valuation gains (losses) on cashflow hedge	`OtherComprehensiveIncomeNetOfTaxCashFlowHedges`	27.39B	KRW	Annual
Valuation gains (losses) on cashflow hedge	`OtherComprehensiveIncomeNetOfTaxCashFlowHedges`	22.86B	KRW	Annual
Gain on valuation of financial instruments at fair value through other comprehensive income	`OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome`	167.15B	KRW	Annual
Gain on valuation of financial instruments at fair value through other comprehensive income	`OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome`	42.00B	KRW	Annual
Gain on valuation of financial instruments at fair value through other comprehensive income	`OtherComprehensiveIncomeNetOfTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome`	129.78B	KRW	Annual
Exchange differences on translation of foreign operations	`OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation`	4.93B	KRW	Annual
Exchange differences on translation of foreign operations	`OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation`	-2.67B	KRW	Annual
Exchange differences on translation of foreign operations	`OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation`	505.00M	KRW	Annual
Total comprehensive income for the year	`ComprehensiveIncome`	1,624.96B	KRW	Annual
Total comprehensive income for the year	`ComprehensiveIncome`	868.21B	KRW	Annual
Total comprehensive income for the year	`ComprehensiveIncome`	769.51B	KRW	Annual
Dividends paid by the Controlling Company	`DividendsRecognisedAsDistributionsToOwnersOfParent`	269.77B	KRW	Annual
Dividends paid by the Controlling Company	`DividendsRecognisedAsDistributionsToOwnersOfParent`	326.49B	KRW	Annual
Dividends paid by the Controlling Company	`DividendsRecognisedAsDistributionsToOwnersOfParent`	269.66B	KRW	Annual
Dividends paid to non-controlling interest of subsidiaries	`DividendsRecognisedAsDistributionsToNoncontrollingInterests`	40.80B	KRW	Annual
Dividends paid to non-controlling interest of subsidiaries	`DividendsRecognisedAsDistributionsToNoncontrollingInterests`	35.50B	KRW	Annual
Dividends paid to non-controlling interest of subsidiaries	`DividendsRecognisedAsDistributionsToNoncontrollingInterests`	23.76B	KRW	Annual
Changes in scope of consolidation	`IncreaseDecreaseThroughChangeInEquityOfSubsidiaries`	-17.57B	KRW	Annual
Changes in scope of consolidation	`IncreaseDecreaseThroughChangeInEquityOfSubsidiaries`	1.54B	KRW	Annual
Changes in ownership interest in subsidiaries	`IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl`	-6.82B	KRW	Annual
Changes in ownership interest in subsidiaries	`IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl`	29.82B	KRW	Annual
Changes in ownership interest in subsidiaries	`IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl`	-83.66B	KRW	Annual
Acquisition of treasury stock	`PurchaseOfTreasuryShares`	190.10B	KRW	Annual
Acquisition of treasury stock	`PurchaseOfTreasuryShares`	110.10B	KRW	Annual
Disposal of treasury stock	`CancellationOfTreasuryShares`	3.35B	KRW	Annual
Disposal of treasury stock	`CancellationOfTreasuryShares`	50.95B	KRW	Annual
Disposal of treasury stock	`CancellationOfTreasuryShares`	33.21B	KRW	Annual
Recognition of the obligation to purchase its own equity	`RecognitionOfTheObligationToPurchaseItsOwnEquity`	101.83B	KRW	Annual
Others	`IncreaseDecreaseThroughTransfersAndOtherChangesEquity`	6.38B	KRW	Annual
Others	`IncreaseDecreaseThroughTransfersAndOtherChangesEquity`	-1.14B	KRW	Annual
Others	`IncreaseDecreaseThroughTransfersAndOtherChangesEquity`	1.81B	KRW	Annual
Subtotal	`TransactionsWithOwners`	-358.76B	KRW	Annual
Subtotal	`TransactionsWithOwners`	-382.12B	KRW	Annual
Subtotal	`TransactionsWithOwners`	-609.23B	KRW	Annual
Ending balance	`Equity`	15,140.68B	KRW	Point-in-time
Ending balance	`Equity`	15,551.43B	KRW	Point-in-time
Ending balance	`Equity`	14,658.49B	KRW	Point-in-time
Ending balance	`Equity`	16,567.16B	KRW	Point-in-time

Comprehensive Income 39 line items

Line Item	Tag	Value	Unit	Period
Profit for the year	`ProfitLoss`	695.87B	KRW	Annual
Profit for the year	`ProfitLoss`	1,459.39B	KRW	Annual
Profit for the year	`ProfitLoss`	746.26B	KRW	Annual
Remeasurements of the net defined benefit liability	`OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans`	-25.78B	KRW	Annual
Remeasurements of the net defined benefit liability	`OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans`	55.82B	KRW	Annual
Remeasurements of the net defined benefit liability	`OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans`	-60.18B	KRW	Annual
Shares of remeasurement gain (loss) of associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax`	786.00M	KRW	Annual
Shares of remeasurement gain (loss) of associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax`	649.00M	KRW	Annual
Shares of remeasurement gain (loss) of associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax`	-1.60B	KRW	Annual
Gain on valuation of equity instruments at fair value through other comprehensive income	`OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments`	144.89B	KRW	Annual
Gain on valuation of equity instruments at fair value through other comprehensive income	`OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments`	51.70B	KRW	Annual
Gain on valuation of equity instruments at fair value through other comprehensive income	`OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments`	155.32B	KRW	Annual
Gain (loss) on valuation of debt instruments at fair value through other comprehensive income	`GainsLossesOnOtherFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax`	11.83B	KRW	Annual
Gain (loss) on valuation of debt instruments at fair value through other comprehensive income	`GainsLossesOnOtherFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax`	-9.70B	KRW	Annual
Gain (loss) on valuation of debt instruments at fair value through other comprehensive income	`GainsLossesOnOtherFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax`	-15.11B	KRW	Annual
Valuation gain (loss) on cash flow hedge	`GainsLossesOnCashFlowHedgesNetOfTax`	-84.04B	KRW	Annual
Valuation gain (loss) on cash flow hedge	`GainsLossesOnCashFlowHedgesNetOfTax`	67.55B	KRW	Annual
Valuation gain (loss) on cash flow hedge	`GainsLossesOnCashFlowHedgesNetOfTax`	141.85B	KRW	Annual
Other comprehensive income (loss) from cash flow hedges reclassified to profit (loss)	`ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax`	44.68B	KRW	Annual
Other comprehensive income (loss) from cash flow hedges reclassified to profit (loss)	`ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax`	-111.43B	KRW	Annual
Other comprehensive income (loss) from cash flow hedges reclassified to profit (loss)	`ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax`	136.58B	KRW	Annual
Share of other comprehensive income (loss) from associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax`	2.52B	KRW	Annual
Share of other comprehensive income (loss) from associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax`	-24.22B	KRW	Annual
Share of other comprehensive income (loss) from associates and joint ventures	`ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax`	15.93B	KRW	Annual
Exchange differences on translation of foreign operations	`OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation`	4.93B	KRW	Annual
Exchange differences on translation of foreign operations	`OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation`	-2.67B	KRW	Annual
Exchange differences on translation of foreign operations	`OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation`	505.00M	KRW	Annual
Total other comprehensive income	`OtherComprehensiveIncome`	165.57B	KRW	Annual
Total other comprehensive income	`OtherComprehensiveIncome`	23.25B	KRW	Annual
Total other comprehensive income	`OtherComprehensiveIncome`	172.34B	KRW	Annual
Total comprehensive income for the year	`ComprehensiveIncome`	1,624.96B	KRW	Annual
Total comprehensive income for the year	`ComprehensiveIncome`	868.21B	KRW	Annual
Total comprehensive income for the year	`ComprehensiveIncome`	769.51B	KRW	Annual
Owners of the Controlling Company	`ComprehensiveIncomeAttributableToOwnersOfParent`	727.08B	KRW	Annual
Owners of the Controlling Company	`ComprehensiveIncomeAttributableToOwnersOfParent`	768.34B	KRW	Annual
Owners of the Controlling Company	`ComprehensiveIncomeAttributableToOwnersOfParent`	1,510.37B	KRW	Annual
Non-controlling interest	`ComprehensiveIncomeAttributableToNoncontrollingInterests`	99.86B	KRW	Annual
Non-controlling interest	`ComprehensiveIncomeAttributableToNoncontrollingInterests`	42.43B	KRW	Annual
Non-controlling interest	`ComprehensiveIncomeAttributableToNoncontrollingInterests`	114.59B	KRW	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.