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

Term Loan Acquired Through Credit Agreement Quarterly Repayments

+ References

No definition available.

+ Details

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Namespace Prefix:	cpng_
Data Type:	xbrli:pureItemType
Balance Type:	na
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

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Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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+ Details

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

- Definition

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

+ References

+ Details

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

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+ Details

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

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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+ Details

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

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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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_CreditFacilityAxis=cpng_LineOfCreditMaturingFebruary2026Member
Namespace Prefix:
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Balance Type:
Period Type:

Short-Term Borrowings and Long-term Debt (Details) $ in Millions	Jan. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Jan. 31, 2024 USD ($)
Subsidiary of Limited Partnership \| Farfetch Holdings \| Syndicated Term Loan
Debt Instrument [Line Items]
Debt instrument, face amount	$ 575
Farfetch Term Loan repayment	$ 58
Term loan acquired through credit agreement quarterly repayments (in percent)	0.0025
Long-term debt, outstanding		$ 574
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Subsidiary of Limited Partnership \| Farfetch Holdings \| Syndicated Term Loan
Debt Instrument [Line Items]
Variable interest rate (in percent)	6.25%
Line of credit \| February 2026
Debt Instrument [Line Items]
Borrowing limit, total initial borrowings			$ 875
Additional accordion feature, incremental increase limit			$ 1,250