$CPNG
Coupang Inc Stock $cpng

$cpng Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000183458422000015 Filed on March 03, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$5.077B	$18.41B	$3.803B
YoY Change	33.47%	53.81%
Cost Of Revenue	$4.271B	$15.46B	$3.154B
YoY Change	35.41%	54.85%
Gross Profit	$805.6M	$2.951B	$649.3M
YoY Change	24.08%	48.58%
Gross Profit Margin	15.87%	16.03%	17.07%
Selling, General & Admin	$1.202B	$4.445B	$780.2M
YoY Change	54.1%	76.81%
% of Gross Profit	149.23%	150.62%	120.16%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$55.61M	$201.5M
YoY Change		58.0%
% of Gross Profit	6.9%	6.83%
Operating Expenses	$1.202B	$4.445B	$780.2M
YoY Change	54.1%	76.81%
Operating Profit	-$396.6M	-$1.494B	-$130.9M
YoY Change	202.97%	189.53%
Interest Expense	-$4.116M	$45.36M	-$27.86M
YoY Change	-85.23%	-57.91%
% of Operating Profit
Other Income/Expense, Net	-$3.434M	-$10.91M	$76.07M
YoY Change	-104.51%	-107.28%
Pretax Income	-$404.1M	-$1.542B	-$82.69M
YoY Change	388.74%	233.05%
Income Tax	$831.0K	$1.002M	$64.00K
% Of Pretax Income
Net Earnings	-$405.0M	-$1.543B	-$82.76M
YoY Change	389.37%	233.06%
Net Earnings / Revenue	-7.98%	-8.38%	-2.18%
Basic Earnings Per Share		-$1.08
Diluted Earnings Per Share	-$230.6K	-$1.08	-$48.25K
COMMON SHARES
Basic Shares Outstanding		1.424B shares
Diluted Shares Outstanding		1.424B shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.488B	$3.488B
YoY Change		178.68%
Cash & Equivalents	$3.488B	$3.488B	$1.251B
Short-Term Investments
Other Short-Term Assets	$232.4M	$552.2M	$211.8M
YoY Change	9.72%	54.78%
Inventory	$1.422B	$1.422B	$1.161B
Prepaid Expenses
Receivables	$175.4M	$175.4M	$12.00M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$5.637B	$5.637B	$2.841B
YoY Change	98.43%	98.43%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.348B	$2.722B	$1.018B
YoY Change	32.38%	34.15%
Goodwill	$9.739M		$4.247M
YoY Change	129.31%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$273.1M	$273.1M
YoY Change		41.37%
Total Long-Term Assets	$3.005B	$3.005B	$2.227B
YoY Change	34.96%	34.96%
TOTAL ASSETS
Total Short-Term Assets	$5.637B	$5.637B	$2.841B
Total Long-Term Assets	$3.005B	$3.005B	$2.227B
Total Assets	$8.642B	$8.642B	$5.067B
YoY Change	70.54%	70.54%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$3.443B	$3.443B	$2.908B
YoY Change	18.39%	18.39%
Accrued Expenses	$304.3M	$591.4M	$115.6M
YoY Change	163.22%	101.21%
Deferred Revenue	$93.97M		$65.26M
YoY Change	44.0%
Short-Term Debt	$7.811M	$7.811M	$156.7M
YoY Change	-95.01%	-95.02%
Long-Term Debt Due	$341.7M	$341.7M	$67.58M
YoY Change	405.68%	388.87%
Total Short-Term Liabilities	$4.744B	$4.744B	$3.733B
YoY Change	27.1%	27.1%
LONG-TERM LIABILITIES
Long-Term Debt	$283.2M	$283.2M
YoY Change		-70.14%
Other Long-Term Liabilities	$1.438B	$1.438B
YoY Change		45.37%
Total Long-Term Liabilities	$1.722B	$1.722B
YoY Change		-11.16%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.744B	$4.744B	$3.733B
Total Long-Term Liabilities	$1.722B	$1.722B
Total Liabilities	$6.466B	$6.466B	$5.671B
YoY Change	14.02%	14.02%
SHAREHOLDERS EQUITY
Retained Earnings	-$5.651B		-$4.108B
YoY Change	37.55%
Common Stock	$175.0K		$0.00
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.176B	$2.176B	-$4.069B
YoY Change
Total Liabilities & Shareholders Equity	$8.642B	$8.642B	$5.067B
YoY Change	70.54%	70.54%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	-$405.0M	-$1.543B	-$82.76M
YoY Change	389.37%	233.06%
Depreciation, Depletion And Amortization	$55.61M	$201.5M
YoY Change		58.0%
Cash From Operating Activities	-$202.7M	-$410.6M
YoY Change		-236.15%
INVESTING ACTIVITIES
Capital Expenditures	-$168.1M	$673.7M
YoY Change		39.01%
Acquisitions
YoY Change
Other Investing Activities	-$604.0K	$3.726M
YoY Change		-89.8%
Cash From Investing Activities	-$168.7M	-$675.5M
YoY Change		29.75%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$169.6M
YoY Change		382.56%
Cash From Financing Activities	-95.34M	$3.577B
YoY Change		1903.82%
NET CHANGE
Cash From Operating Activities	-202.7M	-$410.6M
Cash From Investing Activities	-168.7M	-$675.5M
Cash From Financing Activities	-95.34M	$3.577B
Net Change In Cash	-466.8M	$2.409B
YoY Change		7993.01%
FREE CASH FLOW
Cash From Operating Activities	-$202.7M	-$410.6M
Capital Expenditures	-$168.1M	$673.7M
Free Cash Flow	-$34.64M	-$1.084B
YoY Change		492.24%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001834584
CY2021Q4	cpng	Percentage Of Preferred Units Holders Conversion Of Preferred Units Into Common Units PercentageOfPreferredUnitsHoldersConversionOfPreferredUnitsIntoCommonUnits	0.6666
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-40115
CY2021	dei	Entity Registrant Name EntityRegistrantName	COUPANG, INC.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	115606000	USD
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-2810505
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	Tower 730, 570, Songpa-daero
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Songpa-gu
CY2021	dei	Entity Address Region EntityAddressRegion	Seoul
CY2021	dei	Entity Address Country EntityAddressCountry	KR
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	05510
CY2021	dei	Country Region CountryRegion	+82
CY2021	dei	City Area Code CityAreaCode	(2)
CY2021	dei	Local Phone Number LocalPhoneNumber	6150-5422
CY2021	dei	Security12b Title Security12bTitle	Class A Common Stock, par value $0.0001 per share
CY2021	dei	Trading Symbol TradingSymbol	CPNG
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	232447000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	211848000	USD
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	19980728143	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3487708000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1251455000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	319800000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	144949000	USD
CY2021Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	175350000	USD
CY2020Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	71257000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	1421501000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	1161205000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	5636806000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	2840714000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	2839000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	4898000	USD
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	1347531000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	1017947000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1374629000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1011255000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	9739000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	4247000	USD
CY2021Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	270290000	USD
CY2020Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	188271000	USD
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CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	2907918000	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	304293000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	93972000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	65259000	USD
CY2021Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	7811000	USD
CY2020Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	156678000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	341717000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	67576000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	287066000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	207196000	USD
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	266709000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	212477000	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4744288000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3732710000	USD
CY2021Q4	us-gaap	Secured Long Term Debt SecuredLongTermDebt	283190000	USD
CY2020Q4	us-gaap	Secured Long Term Debt SecuredLongTermDebt	353342000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1201277000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	859477000	USD
CY2021Q4	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	0	USD
CY2020Q4	us-gaap	Convertible Debt Noncurrent ConvertibleDebtNoncurrent	589851000	USD
CY2021Q4	cpng	Defined Benefit Plan And Other Long Term Liabilities DefinedBenefitPlanAndOtherLongTermLiabilities	237122000	USD
CY2020Q4	cpng	Defined Benefit Plan And Other Long Term Liabilities DefinedBenefitPlanAndOtherLongTermLiabilities	135203000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	6465877000	USD
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CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0
CY2020Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0
CY2021Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	0	shares
CY2021Q4	us-gaap	Temporary Equity Shares Issued TemporaryEquitySharesIssued	0	shares
CY2021Q4	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2021Q4	us-gaap	Temporary Equity Liquidation Preference TemporaryEquityLiquidationPreference	0	USD
CY2020Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	1448632049	shares
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CY2020Q4	us-gaap	Temporary Equity Liquidation Preference TemporaryEquityLiquidationPreference	3584028000	USD
CY2021Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	0	USD
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	3465611000	USD
CY2020Q4	cpng	Common Units Par Or Stated Value Per Share CommonUnitsParOrStatedValuePerShare	0
CY2021Q4	cpng	Common Units Par Or Stated Value Per Share CommonUnitsParOrStatedValuePerShare	0
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CY2020Q4	us-gaap	Common Unit Authorized CommonUnitAuthorized	264166544	shares
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CY2021Q4	us-gaap	Common Stock Value CommonStockValue	175000	USD
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CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5067332000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	18406372000	USD
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CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	40844000	USD
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CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1559236000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-501892000	USD
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CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	-2772326000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-696885000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	3299000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	9011000	USD
CY2019	cpng	Pre Ipo Shares Issued Value Share Based Payment Arrangement After Forfeiture PreIPOSharesIssuedValueShareBasedPaymentArrangementAfterForfeiture	7133000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	14610000	USD
CY2019	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	71415000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	20903000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	-3532912000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-463157000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-20730000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	18005000	USD
CY2020	cpng	Pre Ipo Shares Issued Value Share Based Payment Arrangement After Forfeiture PreIPOSharesIssuedValueShareBasedPaymentArrangementAfterForfeiture	28613000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	1366000	USD
CY2020	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	92734000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	31429000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	-4068862000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	-4068862000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-1542590000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	40844000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	57490000	USD
CY2021	cpng	Pre Ipo Shares Issued Value Share Based Payment Arrangement After Forfeiture PreIPOSharesIssuedValueShareBasedPaymentArrangementAfterForfeiture	38968000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2974000	USD
CY2021	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2021	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	3465611000	USD
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	3416819000	USD
CY2021	cpng	Stock Issued During Period Value Conversion Of Convertible Notes StockIssuedDuringPeriodValueConversionOfConvertibleNotes	609999000	USD
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	23313000	USD
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2021	cpng	Post Ipoapic Share Based Payment Arrangement Increase For Cost Recognition PostIPOAPICShareBasedPaymentArrangementIncreaseForCostRecognition	246371000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	2175957000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-1542590000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-463157000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-696885000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	201480000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	127519000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	70908000	USD
CY2021	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	128214000	USD
CY2020	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	71328000	USD
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-57978000	USD
CY2019	us-gaap	Pension And Other Postretirement Benefits Expense Reversal Of Expense Noncash PensionAndOtherPostretirementBenefitsExpenseReversalOfExpenseNoncash	43159000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	249345000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	31331000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	20823000	USD
CY2021	us-gaap	Paid In Kind Interest PaidInKindInterest	20148000	USD
CY2020	us-gaap	Paid In Kind Interest PaidInKindInterest	91035000	USD
CY2019	us-gaap	Paid In Kind Interest PaidInKindInterest	75946000	USD
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	149830000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-36782000	USD
CY2021	cpng	Inventory Write Down And Non Current Asset Impairment Charges InventoryWriteDownAndNonCurrentAssetImpairmentCharges	284825000	USD
CY2020	cpng	Inventory Write Down And Non Current Asset Impairment Charges InventoryWriteDownAndNonCurrentAssetImpairmentCharges	0	USD
CY2019	cpng	Inventory Write Down And Non Current Asset Impairment Charges InventoryWriteDownAndNonCurrentAssetImpairmentCharges	0	USD
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	258965000	USD
CY2020	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	154739000	USD
CY2019	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	84559000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-55176000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	4437000	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	120206000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4312000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	39976000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	527959000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	504294000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	279015000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	178383000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	172576000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	40361000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	728488000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1065850000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	416507000	USD
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	206597000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	50835000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	18202000	USD
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	14024000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	31887000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	7753000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-191504000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-83977000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-25808000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-410578000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	301554000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-311843000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	673663000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	484630000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	217823000	USD
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1864000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	507000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	3543000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3726000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3944000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	36531000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-675525000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-520654000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-218224000	USD
CY2021	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	0	USD
CY2020	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	97043000	USD
CY2019	us-gaap	Payments For Repurchase Of Equity PaymentsForRepurchaseOfEquity	114610000	USD
CY2021	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	3431277000	USD
CY2020	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	0	USD
CY2019	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	0	USD
CY2021	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	11618000	USD
CY2020	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
CY2019	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
CY2021	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	62281000	USD
CY2020	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	28613000	USD
CY2019	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	1516378000	USD
CY2021	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	24722000	USD
CY2020	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	144740000	USD
CY2019	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	103628000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	408932000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	142170000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	28771000	USD
CY2021	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	166023000	USD
CY2020	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	2983000	USD
CY2019	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	346349000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	169575000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	35141000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1882000	USD
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3146000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1854000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1832000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	3576850000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2540000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	178502000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1184104000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-81702000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	70365000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-22412000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2409045000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	29767000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	631625000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1401302000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1371535000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	739910000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3810347000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1401302000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1371535000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2588000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	857000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	21465000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	23658000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	19064000	USD
CY2021	cpng	Capital Expenditures Incurred Increase Decrease Not Yet Paid1 CapitalExpendituresIncurredIncreaseDecreaseNotYetPaid1	45205000	USD
CY2020	cpng	Capital Expenditures Incurred Increase Decrease Not Yet Paid1 CapitalExpendituresIncurredIncreaseDecreaseNotYetPaid1	48236000	USD
CY2019	cpng	Capital Expenditures Incurred Increase Decrease Not Yet Paid1 CapitalExpendituresIncurredIncreaseDecreaseNotYetPaid1	28785000	USD
CY2021	us-gaap	Conversion Of Stock Amount Issued1 ConversionOfStockAmountIssued1	87064000	USD
CY2020	us-gaap	Conversion Of Stock Amount Issued1 ConversionOfStockAmountIssued1	0	USD
CY2019	us-gaap	Conversion Of Stock Amount Issued1 ConversionOfStockAmountIssued1	0	USD
CY2021	cpng	Conversion Of Temporary Equity Amount Issued ConversionOfTemporaryEquityAmountIssued	3465611000	USD
CY2020	cpng	Conversion Of Temporary Equity Amount Issued ConversionOfTemporaryEquityAmountIssued	0	USD
CY2019	cpng	Conversion Of Temporary Equity Amount Issued ConversionOfTemporaryEquityAmountIssued	0	USD
CY2021	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	609999000	USD
CY2020	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	0	USD
CY2019	us-gaap	Debt Conversion Converted Instrument Amount1 DebtConversionConvertedInstrumentAmount1	0	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:9pt;margin-top:6pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-bottom:9pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make certain estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting periods. On an ongoing basis, we evaluate our estimates, which include, but are not limited to, equity-based compensation, inventory valuation, income taxes, defined severance benefits, and revenue recognition. Actual results could differ materially from those estimates. We based our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances. Given the global economic climate and additional or unforeseen direct and </span></div>indirect effects from the COVID-19 pandemic, these estimates become more challenging, and actual results could differ materially from these estimates.
CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	numberOfOperatingSegment
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	numberOfReportableSegment
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	90000000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	12000000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	USD
CY2019	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	USD
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021	cpng	Expiration Period Discount Coupons And Loyalty Rewards ExpirationPeriodDiscountCouponsAndLoyaltyRewards	P6M
CY2021	cpng	Estimated Redemption Period Discount Coupons And Loyalty Rewards EstimatedRedemptionPeriodDiscountCouponsAndLoyaltyRewards	P6M
CY2021	us-gaap	Advertising Expense AdvertisingExpense	433000000	USD
CY2020	us-gaap	Advertising Expense AdvertisingExpense	128000000	USD
CY2019	us-gaap	Advertising Expense AdvertisingExpense	252000000	USD
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-bottom:9pt;margin-top:6pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Concentration of Credit Risk </span></div><div style="margin-bottom:9pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Cash and cash equivalents, restricted cash and accounts receivable are potentially subject to concentration of credit risk. Cash and cash equivalents, and restricted cash are placed with several financial institutions that management believes are of high credit quality, of which 77% and 89% were held at four and five financial institutions as of December 31, 2021 and 2020, respectively. The Company’s gross accounts receivable include amounts concentrated with one and three payment processing companies representing 14% and 56% of gross accounts receivable at December 31, 2021 and 2020, respectively.</span></div>
CY2021	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="margin-bottom:9pt;margin-top:6pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Reclassification</span></div><div style="margin-bottom:9pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain prior period amounts have been reclassified to conform to current year presentation. The Company previously separately presented finance lease right-of-use assets which are now presented within “property and equipment, net.” Finance lease obligations are now presented within “other current liabilities” and “defined severance benefits and other.” The reclassification had no impact on previously reported net loss or accumulated deficit.</span></div>
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	11967339000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6273263000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	9981102000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	5240041000	USD
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	2502231000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	1675145000	USD
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	12483333000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-697126000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	292000	USD
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19463000	shares
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	6915186000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-515994000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	-641923000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-462865000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-241000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-463157000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-696885000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-555891000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-768300000	USD
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-19.16
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-19.16
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-39.48
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-39.48
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29012000	shares
CY2020Q4	us-gaap	Common Unit Issuance Value CommonUnitIssuanceValue	45122000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	25036000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-31093000	USD
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29012000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19463000	shares
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-501892000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-702597000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-4107927000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	-4068862000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	18406372000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	11967339000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	6273263000	USD
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	60000000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	29000000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	23000000	USD
CY2021Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	1898278000	USD
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	1756519000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	1353569000	USD
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	408988000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	335622000	USD
CY2021Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	1347531000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	1017947000	USD
CY2021	us-gaap	Depreciation Depreciation	200000000	USD
CY2020	us-gaap	Depreciation Depreciation	128000000	USD
CY2019	us-gaap	Depreciation Depreciation	71000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Remaining Lease Term LesseeOperatingLeaseRemainingLeaseTerm	P10Y
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	340565000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	196936000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	103413000	USD
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	38089000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	24157000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	28280000	USD
CY2021	us-gaap	Lease Cost LeaseCost	378654000	USD
CY2020	us-gaap	Lease Cost LeaseCost	221093000	USD
CY2019	us-gaap	Lease Cost LeaseCost	131693000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	288099000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	156675000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	84305000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	599170000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	613517000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	407503000	USD
CY2021	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	109430000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	-7793000	USD
CY2019	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	-7455000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y9M18D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y2M12D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0617
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0588
CY2021Q4	cpng	Lessee Operating Lease Lease Not Yet Commenced Undiscounted Amount LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount	315000000	USD
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	0	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	149830000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-36782000	USD
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-2933000	USD
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	2442000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	23283000	USD
CY2021	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	0	USD
CY2020	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	35670000	USD
CY2021	cpng	Other Miscellaneous Nonoperating Income Expense OtherMiscellaneousNonoperatingIncomeExpense	-7980000	USD
CY2020	cpng	Other Miscellaneous Nonoperating Income Expense OtherMiscellaneousNonoperatingIncomeExpense	-2372000	USD
CY2019	cpng	Other Miscellaneous Nonoperating Income Expense OtherMiscellaneousNonoperatingIncomeExpense	398000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-10913000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	149900000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	22569000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	626181000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	424875000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	341717000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	67576000	USD
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	1274000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	3957000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	283190000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	353342000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	342202000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	44586000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	191902000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	47491000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	0	USD
CY2021Q4	us-gaap	Contractual Obligation ContractualObligation	3119006000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	626181000	USD
CY2021Q4	us-gaap	Recorded Unconditional Purchase Obligation Due Within One Year RecordedUnconditionalPurchaseObligationDueWithinOneYear	263565000	USD
CY2021Q4	cpng	Debt Principal And Interest Due Year One DebtPrincipalAndInterestDueYearOne	358906000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	368631000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	991102000	USD
CY2021Q4	us-gaap	Recorded Unconditional Purchase Obligation Due In Second Year RecordedUnconditionalPurchaseObligationDueInSecondYear	195448000	USD
CY2021Q4	cpng	Debt Principal And Interest Due Year Two DebtPrincipalAndInterestDueYearTwo	54034000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	347391000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	596873000	USD
CY2021Q4	us-gaap	Recorded Unconditional Purchase Obligation Due In Third Year RecordedUnconditionalPurchaseObligationDueInThirdYear	96014000	USD
CY2021Q4	cpng	Debt Principal And Interest Due Year Three DebtPrincipalAndInterestDueYearThree	198039000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	297985000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	592038000	USD
CY2021Q4	us-gaap	Recorded Unconditional Purchase Obligation Due In Fourth Year RecordedUnconditionalPurchaseObligationDueInFourthYear	80288000	USD
CY2021Q4	cpng	Debt Principal And Interest Due Year Four DebtPrincipalAndInterestDueYearFour	1795000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	241229000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	323312000	USD
CY2021Q4	us-gaap	Recorded Unconditional Purchase Obligation Due In Fifth Year RecordedUnconditionalPurchaseObligationDueInFifthYear	26763000	USD
CY2021Q4	cpng	Debt Principal And Interest Due Year Five DebtPrincipalAndInterestDueYearFive	49138000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	173350000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear	249251000	USD
CY2021Q4	us-gaap	Recorded Unconditional Purchase Obligation Due After Fifth Year RecordedUnconditionalPurchaseObligationDueAfterFifthYear	0	USD
CY2021Q4	cpng	Debt Principal And Interest Due After Year Five DebtPrincipalAndInterestDueAfterYearFive	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	366430000	USD
CY2021Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	366430000	USD
CY2021Q4	us-gaap	Recorded Unconditional Purchase Obligation RecordedUnconditionalPurchaseObligation	662078000	USD
CY2021Q4	cpng	Debt Principal And Interest Due DebtPrincipalAndInterestDue	661912000	USD
CY2020Q4	us-gaap	Temporary Equity Liquidation Preference TemporaryEquityLiquidationPreference	3584028000	USD
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	3465611000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1795016000	USD
CY2020Q4	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	1329464982	shares
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	306673000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1488343000	USD
CY2019Q2	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	1448632049	shares
CY2019Q2	us-gaap	Common Unit Authorized CommonUnitAuthorized	264166544	shares
CY2020Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	1448632049	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000000	shares
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Outstanding Stock Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum	0.05
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	153000000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	1.34
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	82275000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	2.59
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	68836000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	1.71
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y2M12D
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	26976000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	30917000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	2.03
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	12401000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	1.95
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	5077000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	1.81
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y11M12D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	34636000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	9834000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	8190000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	2.06
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	18215000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	1.59
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	65704000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	1.95
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y4M24D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	401846000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	6608000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	16.46
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	5910000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	2.02
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	34767000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	1.79
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	31635000	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.15
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y11M8D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	766531000	USD
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	12134000	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	4.02
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P6Y6M10D
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	307704000	USD
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	17261000	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	6.31
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P7Y1M13D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	398165000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	31331000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	16.46
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	1.57
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	1.15
CY2021	cpng	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Intrinsic Value Amount ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValueAmount	675935000	USD
CY2020	cpng	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Intrinsic Value Amount ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValueAmount	44076000	USD
CY2019	cpng	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Intrinsic Value Amount ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValueAmount	3823000	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	249345000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1002000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	20823000	USD
CY2021	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	2000	USD
CY2020	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	1000	USD
CY2019	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	144000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1002000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	292000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-241000	USD
CY2021	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	0	USD
CY2020	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	0	USD
CY2019	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	0	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-109109000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1541588000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-462865000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	292000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-241000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-296529000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-8771000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-697126000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	43156000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	48162000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.0283
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.0301
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.0240
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.2583
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.2497
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.2018
CY2021	cpng	Effective Income Tax Rate Reconciliation Consolidated Eliminations Percent EffectiveIncomeTaxRateReconciliationConsolidatedEliminationsPercent	0
CY2020	cpng	Effective Income Tax Rate Reconciliation Consolidated Eliminations Percent EffectiveIncomeTaxRateReconciliationConsolidatedEliminationsPercent	0
CY2019	cpng	Effective Income Tax Rate Reconciliation Consolidated Eliminations Percent EffectiveIncomeTaxRateReconciliationConsolidatedEliminationsPercent	0.0127
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0194
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0090
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0034
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.0006
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.0006
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.0003
CY2021Q4	cpng	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	361420000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	89000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	5212000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	0	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	43223000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	19936000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	49529000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	69437000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	68421000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	39827000	USD
CY2020Q4	cpng	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	257855000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1019583000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	767740000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	23066000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	15079000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	6795000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	275000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	422000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1620405000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1218311000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1284380000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	975187000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	336025000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	243124000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	88000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	438000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	1745000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	0	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1860000	USD
CY2021Q4	cpng	Deferred Tax Liabilities Leasehold Improvements DeferredTaxLiabilitiesLeaseholdImprovements	0	USD
CY2020Q4	cpng	Deferred Tax Liabilities Leasehold Improvements DeferredTaxLiabilitiesLeaseholdImprovements	2973000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	333965000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	237131000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	253000000	USD
CY2020	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	11192000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	277000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	138000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	23000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	336025000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	243124000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1300000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	975000000	USD
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	309000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2021Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	283032000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	164573000	USD
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	76000000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	164573000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	87206000	USD
CY2021	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	120784000	USD
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	70019000	USD
CY2021	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	2869000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1310000	USD
CY2021	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	52528000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	18005000	USD
CY2021	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	49712000	USD
CY2020	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	23159000	USD
CY2021	us-gaap	Defined Benefit Plan Plan Amendments DefinedBenefitPlanPlanAmendments	10263000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Amendments DefinedBenefitPlanPlanAmendments	0	USD
CY2021	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	-18273000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	58000000	USD
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	207000000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	107000000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	210000000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	147000000	USD
CY2021	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	120784000	USD
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	70019000	USD
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	42097000	USD
CY2021	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	2869000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1310000	USD
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1061000	USD
CY2021	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	90000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	0	USD
CY2019	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	0	USD
CY2021	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-4471000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-140000	USD
CY2019	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	0	USD
CY2021	us-gaap	Defined Benefit Plan Benefit Obligation Payment For Settlement DefinedBenefitPlanBenefitObligationPaymentForSettlement	0	USD
CY2020	us-gaap	Defined Benefit Plan Benefit Obligation Payment For Settlement DefinedBenefitPlanBenefitObligationPaymentForSettlement	0	USD
CY2019	us-gaap	Defined Benefit Plan Benefit Obligation Payment For Settlement DefinedBenefitPlanBenefitObligationPaymentForSettlement	-97000	USD
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	128214000	USD
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	71469000	USD
CY2019	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	43255000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	80455000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	90854000	USD
CY2021Q4	cpng	Defined Benefit Plan Expected Future Benefit Payment Between Two And Five Years DefinedBenefitPlanExpectedFutureBenefitPaymentBetweenTwoAndFiveYears	210581000	USD
CY2021Q4	cpng	Defined Benefit Plan Expected Future Benefit Payment Due After Five Years DefinedBenefitPlanExpectedFutureBenefitPaymentDueAfterFiveYears	256755000	USD
CY2021Q4	cpng	Defined Benefit Plan Expected Future Benefit Payment DefinedBenefitPlanExpectedFutureBenefitPayment	638645000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-1542590000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-463157000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-696885000	USD
CY2021	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	0	USD
CY2020	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	92734000	USD
CY2019	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	71415000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-1542590000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-555891000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-768300000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1423887000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1423887000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29012000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29012000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19463000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19463000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.08
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.08
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-19.16
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-19.16
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-39.48
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-39.48
CY2021	dei	Auditor Name AuditorName	Samil PricewaterhouseCoopers
CY2021	dei	Auditor Location AuditorLocation	Seoul, Republic of Korea
CY2021	dei	Auditor Firm AuditorFirmId	1103

Files In Submission

Name	View Source	Status
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0001834584-22-000015-index.html	Edgar Link	pending
0001834584-22-000015.txt	Edgar Link	pending
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cpng-12312021exhibit1012.htm	Edgar Link	pending
cpng-12312021exhibit1013.htm	Edgar Link	pending
cpng-12312021exhibit1014.htm	Edgar Link	pending
cpng-12312021exhibit1015.htm	Edgar Link	pending
cpng-12312021exhibit211.htm	Edgar Link	pending
cpng-12312021exhibit231.htm	Edgar Link	pending
cpng-12312021exhibit311.htm	Edgar Link	pending
cpng-12312021exhibit312.htm	Edgar Link	pending
cpng-12312021exhibit321.htm	Edgar Link	pending
cpng-12312021exhibit322.htm	Edgar Link	pending
cpng-1231x2021exhibit42.htm	Edgar Link	pending
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report.css	Edgar Link	pending
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$CPNG
Coupang Inc Stock $cpng

2021 Q4 Form 10-K Financial Statement

#000183458422000015 Filed on March 03, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CPNG Coupang Inc Stock $cpng

2021 Q4 Form 10-K Financial Statement

#000183458422000015 Filed on March 03, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CPNG
Coupang Inc Stock $cpng