Cover - Dec. 15, 2025 account in Millions, ₩ in Billions, $ in Billions |
KRW (₩)
numberOfCustomers
account
|
USD ($)
numberOfCustomers
account
|
|---|---|---|
| Cover [Abstract] | ||
| Document Type | 8-K/A | 8-K/A |
| Document Period End Date | Dec. 15, 2025 | Dec. 15, 2025 |
| Entity Registrant Name | COUPANG, INC. | COUPANG, INC. |
| Entity Incorporation, State or Country Code | DE | DE |
| Entity File Number | 001-40115 | 001-40115 |
| Entity Tax Identification Number | 27-2810505 | 27-2810505 |
| Entity Address, Address Line One | 720 Olive Way | 720 Olive Way |
| Entity Address, Address Line Two | Suite 600 | Suite 600 |
| Entity Address, City or Town | Seattle | Seattle |
| Entity Address, State or Province | WA | WA |
| Entity Address, Postal Zip Code | 98101 | 98101 |
| City Area Code | 206 | 206 |
| Local Phone Number | 333-3839 | 333-3839 |
| Written Communications | false | false |
| Soliciting Material | false | false |
| Pre-commencement Tender Offer | false | false |
| Pre-commencement Issuer Tender Offer | false | false |
| Title of 12(b) Security | Class A Common Stock, par value $0.0001 per share | Class A Common Stock, par value $0.0001 per share |
| Trading Symbol | CPNG | CPNG |
| Security Exchange Name | NYSE | NYSE |
| Entity Emerging Growth Company | false | false |
| Entity Central Index Key | 0001834584 | 0001834584 |
| Amendment Flag | true | true |
| Amendment Description | On December 24, 2025 (PST) and December 28, 2025 (PST), Coupang Corp., a wholly-owned Korean subsidiary (“Coupang Corp.”) of Coupang, Inc. (“Coupang, Inc.,” “our,” or “we”) (Coupang Corp., together with Coupang, Inc. and its subsidiaries and affiliates, “Coupang,”), issued updates (collectively, the “Updates”) on the cybersecurity incident (the “Incident”) disclosed in the Current Report on Form 8-K filed by Coupang, Inc. with the U.S. Securities and Exchange Commission (the “SEC”) on December 16, 2025. The Updates provided, in part, that the perpetrator of the Incident has been identified, is cooperating with Coupang and investigators, and has turned over all devices used in the Incident. Further, the investigation to date indicates that while approximately 33 million accounts were accessed, the perpetrator only saved limited data from approximately 3,000 customer accounts, and such customer data has been deleted without having been shared with a third party. In addition, Coupang Corp. announced a customer compensation program to issue approximately 1.685 trillion won (approximately $1.2 billion) worth of vouchers, starting January 15, 2026, to customers who were notified of the Incident at the end of November 2025 that may be applied towards future Coupang purchases. These vouchers will be reflected as reductions to the selling price and revenue recognized on each corresponding transaction. | On December 24, 2025 (PST) and December 28, 2025 (PST), Coupang Corp., a wholly-owned Korean subsidiary (“Coupang Corp.”) of Coupang, Inc. (“Coupang, Inc.,” “our,” or “we”) (Coupang Corp., together with Coupang, Inc. and its subsidiaries and affiliates, “Coupang,”), issued updates (collectively, the “Updates”) on the cybersecurity incident (the “Incident”) disclosed in the Current Report on Form 8-K filed by Coupang, Inc. with the U.S. Securities and Exchange Commission (the “SEC”) on December 16, 2025. The Updates provided, in part, that the perpetrator of the Incident has been identified, is cooperating with Coupang and investigators, and has turned over all devices used in the Incident. Further, the investigation to date indicates that while approximately 33 million accounts were accessed, the perpetrator only saved limited data from approximately 3,000 customer accounts, and such customer data has been deleted without having been shared with a third party. In addition, Coupang Corp. announced a customer compensation program to issue approximately 1.685 trillion won (approximately $1.2 billion) worth of vouchers, starting January 15, 2026, to customers who were notified of the Incident at the end of November 2025 that may be applied towards future Coupang purchases. These vouchers will be reflected as reductions to the selling price and revenue recognized on each corresponding transaction. |
| Material Cybersecurity Incident Material Impact, Approximate Number Of Accounts Accessed | account | 33 | 33 |
| Material Cybersecurity Incident Material Impact, Approximate Number Of Customers From Which Limited Data Were Saved | numberOfCustomers | 3,000 | 3,000 |
| Material Cybersecurity Incident Material Impact, Customer Compensation Program Value | ₩ 1,685 | $ 1.2 |
Material Cybersecurity Incident Disclosure - Dec. 15, 2025 account in Millions, ₩ in Billions, $ in Billions |
KRW (₩)
numberOfCustomers
account
|
USD ($)
numberOfCustomers
account
|
|---|---|---|
| Material Cybersecurity Incident [Line Items] | ||
| Material Cybersecurity Incident Nature [Text Block] | On December 24, 2025 (PST) and December 28, 2025 (PST), Coupang Corp., a wholly-owned Korean subsidiary (“Coupang Corp.”) of Coupang, Inc. (“Coupang, Inc.,” “our,” or “we”) (Coupang Corp., together with Coupang, Inc. and its subsidiaries and affiliates, “Coupang,”), issued updates (collectively, the “Updates”) on the cybersecurity incident (the “Incident”) disclosed in the Current Report on Form 8-K filed by Coupang, Inc. with the U.S. Securities and Exchange Commission (the “SEC”) on December 16, 2025. The Updates provided, in part, that the perpetrator of the Incident has been identified, is cooperating with Coupang and investigators, and has turned over all devices used in the Incident | On December 24, 2025 (PST) and December 28, 2025 (PST), Coupang Corp., a wholly-owned Korean subsidiary (“Coupang Corp.”) of Coupang, Inc. (“Coupang, Inc.,” “our,” or “we”) (Coupang Corp., together with Coupang, Inc. and its subsidiaries and affiliates, “Coupang,”), issued updates (collectively, the “Updates”) on the cybersecurity incident (the “Incident”) disclosed in the Current Report on Form 8-K filed by Coupang, Inc. with the U.S. Securities and Exchange Commission (the “SEC”) on December 16, 2025. The Updates provided, in part, that the perpetrator of the Incident has been identified, is cooperating with Coupang and investigators, and has turned over all devices used in the Incident |
| Material Cybersecurity Incident Scope [Text Block] | The Updates provided, in part, that the perpetrator of the Incident has been identified, is cooperating with Coupang and investigators, and has turned over all devices used in the Incident. Further, the investigation to date indicates that while approximately 33 million accounts were accessed, the perpetrator only saved limited data from approximately 3,000 customer accounts, and such customer data has been deleted without having been shared with a third party. | The Updates provided, in part, that the perpetrator of the Incident has been identified, is cooperating with Coupang and investigators, and has turned over all devices used in the Incident. Further, the investigation to date indicates that while approximately 33 million accounts were accessed, the perpetrator only saved limited data from approximately 3,000 customer accounts, and such customer data has been deleted without having been shared with a third party. |
| Material Cybersecurity Incident Timing [Text Block] | On December 24, 2025 (PST) and December 28, 2025 (PST), Coupang Corp., a wholly-owned Korean subsidiary (“Coupang Corp.”) of Coupang, Inc. (“Coupang, Inc.,” “our,” or “we”) (Coupang Corp., together with Coupang, Inc. and its subsidiaries and affiliates, “Coupang,”), issued updates (collectively, the “Updates”) on the cybersecurity incident (the “Incident”) disclosed in the Current Report on Form 8-K filed by Coupang, Inc. with the U.S. Securities and Exchange Commission (the “SEC”) on December 16, 2025. | On December 24, 2025 (PST) and December 28, 2025 (PST), Coupang Corp., a wholly-owned Korean subsidiary (“Coupang Corp.”) of Coupang, Inc. (“Coupang, Inc.,” “our,” or “we”) (Coupang Corp., together with Coupang, Inc. and its subsidiaries and affiliates, “Coupang,”), issued updates (collectively, the “Updates”) on the cybersecurity incident (the “Incident”) disclosed in the Current Report on Form 8-K filed by Coupang, Inc. with the U.S. Securities and Exchange Commission (the “SEC”) on December 16, 2025. |
| Material Cybersecurity Incident Material Impact or Reasonably Likely Material Impact [Text Block] | In addition, Coupang Corp. announced a customer compensation program to issue approximately 1.685 trillion won (approximately $1.2 billion) worth of vouchers, starting January 15, 2026, to customers who were notified of the Incident at the end of November 2025 that may be applied towards future Coupang purchases. These vouchers will be reflected as reductions to the selling price and revenue recognized on each corresponding transaction. | In addition, Coupang Corp. announced a customer compensation program to issue approximately 1.685 trillion won (approximately $1.2 billion) worth of vouchers, starting January 15, 2026, to customers who were notified of the Incident at the end of November 2025 that may be applied towards future Coupang purchases. These vouchers will be reflected as reductions to the selling price and revenue recognized on each corresponding transaction. |
| Material Cybersecurity Incident Material Impact, Approximate Number Of Accounts Accessed | account | 33 | 33 |
| Material Cybersecurity Incident Material Impact, Approximate Number Of Customers From Which Limited Data Were Saved | numberOfCustomers | 3,000 | 3,000 |
| Material Cybersecurity Incident Material Impact, Customer Compensation Program Value | ₩ 1,685 | $ 1.2 |