CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net revenue	$ 3,117	$ 3,171	$ 5,846	$ 5,945
Cost of goods sold	2,176	2,186	4,086	4,139
Gross profit	941	985	1,760	1,806
Operating expenses:
Customer service and merchant fees	121	144	238	283
Advertising	365	352	689	679
Selling, operations, technology, general and administrative	489	630	1,023	1,254
Impairment and other related net charges	1	1	1	14
Restructuring charges	0	0	79	65
Total operating expenses	976	1,127	2,030	2,295
Loss from operations	(35)	(142)	(270)	(489)
Interest expense, net	(4)	(5)	(10)	(10)
Other (expense) income, net	(1)	3	(5)	2
Gain on debt extinguishment	0	100	0	100
Loss before income taxes	(40)	(44)	(285)	(397)
Provision for income taxes, net	2	2	5	4
Net loss	$ (42)	$ (46)	$ (290)	$ (401)
Loss per share:
Basic (in dollars per share)	$ (0.34)	$ (0.41)	$ (2.39)	$ (3.60)
Diluted (in dollars per shares)	$ (0.34)	$ (0.41)	$ (2.39)	$ (3.60)
Weighted-average number of shares of common stock outstanding used in computing per share amounts:
Basic (in shares)	122	112	121	111
Diluted (in shares)	122	112	121	111