v3.26.3
Earnings per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Numerator:        
Net (loss) income attributable to Coupang stockholders $ (501) $ 95 $ (1,337) $ 234
Weighted-average shares used in computing net income per share attributable to Class A and Class B common stockholders:        
Basic (in shares) 1,795 1,823 1,806 1,816
Dilutive effect of equity compensation awards (in shares) 0 41 0 37
Diluted (in shares) 1,795 1,864 1,806 1,853
Earnings per share        
Basic (in usd per share) $ (0.28) $ 0.05 $ (0.74) $ 0.13
Diluted (in usd per share) $ (0.28) $ 0.05 $ (0.74) $ 0.13
Anti-dilutive shares (in shares) 19 0 22 0