Line of Credit Facility, Additional Accordion Feature, Incremental Increase Limit

No definition available.

Name:	cpng_LineOfCreditFacilityAdditionalAccordionFeatureIncrementalIncreaseLimit
Namespace Prefix:	cpng_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Pledged Assets, Collateral, Real Estate

+ References

No definition available.

+ Details

Name:	cpng_PledgedAssetsCollateralRealEstate
Namespace Prefix:	cpng_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of assets pledged to secure a debt instrument.

+ References

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-Publisher FASB
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-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentCollateralAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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+ Details

Name:	us-gaap_PropertyPlantAndEquipmentNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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-Name Accounting Standards Codification
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-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cpng_USD316MillionLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PledgedStatusAxis=us-gaap_AssetPledgedAsCollateralWithoutRightMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandAndBuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cpng_USD44MillionTermLoanCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cpng_USD44Million22MillionTermLoanCreditFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cpng_TwoYearLoanAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=cpng_CreditFacilityMaturingNovember2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=cpng_LineOfCreditMaturingFebruary2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=cpng_LineOfCreditMaturingOctober2023ThruMarch2027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=cpng_USD158MillionTermLoanMaturing2024Member
Namespace Prefix:
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Period Type:

Short-Term Borrowings and Long-Term Debt - Long-Term Debt - Narrative (Details) - USD ($)		1 Months Ended					12 Months Ended
	Oct. 31, 2022	Mar. 31, 2022	Nov. 30, 2021	Oct. 31, 2021	Aug. 31, 2021	Feb. 28, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Oct. 03, 2022
Debt Instrument [Line Items]
Borrowing limit							$ 1,941,217,000
Repayment of long-term debt							$ 446,376,000	$ 169,575,000	$ 35,141,000
Loans payable \| USD 316 million, loan
Debt Instrument [Line Items]
Debt instrument term							5 years
Borrowing limit		$ 316,000,000
Interest rate (%)		4.26%
Loans payable \| USD 316 million, loan \| Asset Pledged as Collateral without Right \| Land and Building
Debt Instrument [Line Items]
Property and equipment, net		$ 379,000,000
Loans payable \| USD 142 million, loan
Debt Instrument [Line Items]
Debt instrument term								2 years
Borrowing limit								$ 142,000,000
Interest rate (%)								3.87%
Pledged assets, collateral, real estate								$ 170,000,000
Secured debt \| USD 44 million, term loan credit facility
Debt Instrument [Line Items]
Debt instrument term			5 years
Borrowing limit			$ 44,000,000
Interest rate (%)			3.78%
Secured debt \| USD 22 million, term loan credit facility
Debt Instrument [Line Items]
Debt instrument term			3 years
Borrowing limit			$ 22,000,000
Interest rate (%)			3.68%
Secured debt \| USD 47 million & 23 million, term loan credit facilities
Debt Instrument [Line Items]
Pledged assets, collateral, real estate			$ 80,000,000
Secured debt \| Two-year loan agreement
Debt Instrument [Line Items]
Debt instrument term				2 years
Borrowing limit				$ 130,000,000
Interest rate (%)				3.45%
Pledged assets, collateral, real estate				$ 156,000,000
November 2024 \| Line of credit
Debt Instrument [Line Items]
Debt instrument term	2 years
Borrowing limit, total initial borrowings										$ 126,000,000
Variable interest rate (in percentage)	2.30%
Assets pledged as collateral										$ 615,000,000
Borrowing limit							$ 126,253,000
February 2024 \| Line of credit
Debt Instrument [Line Items]
Debt instrument term						3 years
Line of credit, additional incremental borrowings						$ 1,250,000,000
Balance drawn							0
Borrowing limit							1,000,000,000
October 2023 - March 2027 \| Line of credit
Debt Instrument [Line Items]
Assets pledged as collateral							974,000,000
Borrowing limit							$ 811,804,000
Repayment of long-term debt		$ 149,000,000
USD 158 million, term loan, maturing 2024 \| Loans payable
Debt Instrument [Line Items]
Debt instrument term					3 years
Borrowing limit					$ 158,000,000
Interest rate (%)					3.155%
Pledged assets, collateral, real estate					$ 189,000,000