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Document and Entity Information
Oct. 26, 2021
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001834584
Document Type 8-K
Document Period End Date Oct. 26, 2021
Entity Registrant Name COUPANG, INC.
Entity Incorporation State Country Code DE
Entity File Number 001-40115
Entity Tax Identification Number 27-2810505
Entity Address, Address Line One Tower 730
Entity Address, Address Line Two 570
Entity Address, Address Line Three Songpa-daero
Entity Address, City or Town Songpa-gu
Entity Address, Region Seoul
Entity Address, Country KR
Entity Address, Postal Zip Code 05510
City Area Code 82 (2)
Local Phone Number 6150-5422
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Class A Common Stock, par value $0.0001 per share
Trading Symbol CPNG
Security Exchange Name NYSE
Entity Emerging Growth Company false