CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 31	$ (105)	$ 145	$ (129)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	153	(79)	148	(184)
Actuarial gain on defined severance benefits, net of tax	3	2	5	3
Total other comprehensive income (loss)	156	(77)	153	(181)
Comprehensive income (loss)	187	(182)	298	(310)
Comprehensive (loss) income attributable to noncontrolling interests	(1)	(28)	3	(57)
Comprehensive income (loss) attributable to Coupang stockholders	$ 188	$ (154)	$ 295	$ (253)