v3.26.1
Earnings per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Numerator:    
Net (loss) income attributable to Coupang stockholders $ (266) $ 107
Weighted-average shares used in computing net income per share attributable to Class A and Class B common stockholders:    
Basic (in shares) 1,825 1,806
Dilutive effect of equity compensation awards (in shares) 0 34
Diluted (in shares) 1,825 1,840
Earnings per share    
Basic (in usd per share) $ (0.15) $ 0.06
Diluted (in usd per share) $ (0.15) $ 0.06
Anti-dilutive shares 25 0