Schedule I - Condensed Financial information of Parent (Coupang, Inc.) - Condensed Statements of Operations and Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed Income Statements, Captions [Line Items]
Management service fee revenues	$ 20,582,615	$ 18,406,372	$ 11,967,339
Operating cost and expenses	(20,694,634)	(19,900,334)	(12,483,333)
Interest expense	(27,169)	(45,358)	(107,762)
Other (expense) income, net	(6,715)	(10,913)	149,900
Net loss	(92,042)	(1,542,590)	(463,157)
Less: premium on repurchase of redeemable convertible preferred units	0	0	(92,734)
Net loss attributable to Class A and Class B common stockholders	(92,042)	(1,542,590)	(555,891)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	8,741	40,844	(20,730)
Actuarial gain (loss) on defined severance benefits, net of tax	41,217	(57,490)	(18,005)
Total other comprehensive income (loss)	49,958	(16,646)	(38,735)
Comprehensive loss	(42,084)	(1,559,236)	(501,892)
Parent Company
Condensed Income Statements, Captions [Line Items]
Management service fee revenues	17,248	17,003	0
Operating cost and expenses	(323,603)	(349,439)	(52,067)
Interest expense	(1,775)	(21,580)	(91,035)
Other (expense) income, net	27,003	2,575	149,835
Loss before income taxes	(281,127)	(351,441)	6,733
Equity in earnings (losses) of subsidiaries	189,085	(1,191,149)	(469,890)
Net loss	(92,042)	(1,542,590)	(463,157)
Less: premium on repurchase of redeemable convertible preferred units	0	0	(92,734)
Net loss attributable to Class A and Class B common stockholders	(92,042)	(1,542,590)	(555,891)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	8,741	40,844	(20,730)
Actuarial gain (loss) on defined severance benefits, net of tax	41,217	(57,490)	(18,005)
Total other comprehensive income (loss)	49,958	(16,646)	(38,735)
Comprehensive loss	$ (42,084)	$ (1,559,236)	$ (501,892)