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Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock-based compensation:
Stock-based compensation	$ 22	$ 29	$ 65	$ 89
Cost of revenue
Stock-based compensation:
Stock-based compensation	0	0	1	1
Selling and Marketing
Stock-based compensation:
Stock-based compensation	3	4	9	13
Technology and Content
Stock-based compensation:
Stock-based compensation	9	12	27	35
General and Administrative
Stock-based compensation:
Stock-based compensation	$ 10	$ 13	$ 28	$ 40

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- References

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