Schedule I - Condensed Financial information of Parent (Coupang, Inc.) - Condensed Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 5,243	$ 3,509	$ 3,488
Total current assets	7,892	5,830
Total assets	13,346	9,513
Liabilities and stockholders' equity
Other current liabilities	526	420
Total current liabilities	6,945	5,063
Total liabilities	9,242	7,099
Stockholders' equity
Common stock	0	0
Additional paid-in capital	8,489	8,154
Accumulated other comprehensive (loss) income	(17)	3
Accumulated deficit	(4,383)	(5,743)
Total stockholders' equity	4,089	2,414	$ 2,176	$ (4,069)
Total liabilities and stockholders' equity	13,346	9,513
Parent company
Assets
Cash and cash equivalents	1,592	1,595
Restricted cash	79	57
Prepaids and other current assets	20	10
Total current assets	1,691	1,662
Other assets	12	1
Investment in subsidiaries	2,438	763
Total assets	4,141	2,426
Liabilities and stockholders' equity
Other current liabilities	42	12
Total current liabilities	42	12
Other liabilities	10	0
Total liabilities	52	12
Stockholders' equity
Common stock	0	0
Additional paid-in capital	8,489	8,154
Accumulated other comprehensive (loss) income	(17)	3
Accumulated deficit	(4,383)	(5,743)
Total stockholders' equity	4,089	2,414
Total liabilities and stockholders' equity	$ 4,141	$ 2,426