Schedule I - Condensed Financial information of Parent (Coupang, Inc.) - Condensed Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 5,879	$ 5,243	$ 3,509
Total current assets	8,994	7,892
Total assets	15,344	13,346
Liabilities and stockholders' equity
Other current liabilities	593	526
Total current liabilities	7,716	6,945
Total liabilities	11,167	9,242
Stockholders' equity
Common stock	0	0
Additional paid-in capital	8,736	8,489
Accumulated other comprehensive loss	(404)	(17)
Accumulated deficit	(4,229)	(4,383)
Total liabilities, redeemable noncontrolling interests and equity	15,344	13,346
Parent company
Assets
Cash and cash equivalents	1,016	1,592
Restricted cash	0	79
Prepaids and other current assets	66	20
Total current assets	1,082	1,691
Other assets	12	12
Investment in subsidiaries	3,058	2,438
Total assets	4,152	4,141
Liabilities and stockholders' equity
Other current liabilities	49	42
Total current liabilities	49	42
Other liabilities	0	10
Total liabilities	49	52
Stockholders' equity
Common stock	0	0
Additional paid-in capital	8,736	8,489
Accumulated other comprehensive loss	(404)	(17)
Accumulated deficit	(4,229)	(4,383)
Equity, Attributable to Parent, Total	4,103	4,089
Total liabilities, redeemable noncontrolling interests and equity	$ 4,152	$ 4,141