CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 114	$ (24)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	(5)	(105)
Actuarial gain on defined severance benefits, net of tax	2	1
Total other comprehensive loss	(3)	(104)
Comprehensive income (loss)	111	(128)
Comprehensive income (loss) attributable to noncontrolling interests	4	(29)
Comprehensive income (loss) attributable to Coupang stockholders	$ 107	$ (99)