Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenue (Note 3)	[1]	$ 533	$ 459	$ 1,398	$ 1,138
Costs and expenses:
Cost of revenue (1) (exclusive of depreciation and amortization as shown separately below)		43	32	113	85
Selling and marketing		272	234	761	591
Technology and content		66	55	205	162
General and administrative		49	45	144	114
Depreciation and amortization		21	23	63	73
Restructuring and Related Cost, Incurred Cost		18	0	18	0
Total costs and expenses		469	389	1,304	1,025
Operating income (loss)		64	70	94	113
Other income (expense):
Interest expense		(11)	(11)	(33)	(33)
Interest income		13	4	35	7
Other income (expense), net		(2)	(1)	(3)	(4)
Total other income (expense), net		0	(8)	(1)	(30)
Income (loss) before income taxes		64	62	93	83
(Provision) benefit for income taxes (Note 8)		(37)	(37)	(115)	(61)
Net income (loss)	[2]	$ 27	$ 25	$ (22)	$ 22
Earnings (loss) per share attributable to common stockholders (Note 12):
Basic		$ 0.2	$ 0.18	$ (0.16)	$ 0.16
Diluted		$ 0.19	$ 0.17	$ (0.16)	$ 0.15
Weighted average common shares outstanding (Note 12):
Basic		138,190	140,219	139,841	139,668
Diluted		143,286	145,748	139,841	143,993

[1] Our revenue is recognized primarily at a point in time for all reportable segments.

[2] Interest expense, net of taxes, related to the 2026 Senior Notes which was included in the Diluted EPS calculation for the three months ended September 30, 2023 and 2022, and for the nine months ended September 30, 2022, was not material.