Segment Information - Summary of Segment Information (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Revenue	[1]	$ 123	$ 278
Adjusted EBITDA		(26)	40
Depreciation and amortization		(29)	(32)
Stock-based compensation		(29)	(26)
Operating income (loss)		(84)	(27)
Other income (expense), net		(12)
Income (loss) before income taxes		(96)	(27)
Income tax benefit		16	11
Net income (loss)		(80)	(16)
Restructuring and other related reorganization costs			(9)
Hotels, Media & Platform
Segment Reporting Information [Line Items]
Revenue	[1]	88	169
Experiences & Dining Segment
Segment Reporting Information [Line Items]
Revenue	[1]	28	83
Other
Segment Reporting Information [Line Items]
Revenue		7	26
Adjusted EBITDA		1	6
Reportable Segments | Hotels, Media & Platform
Segment Reporting Information [Line Items]
Revenue	[2]	88	169
Adjusted EBITDA	[2]	(3)	53
Reportable Segments | Experiences & Dining Segment
Segment Reporting Information [Line Items]
Revenue		28	83
Adjusted EBITDA		(24)	(19)
Corporate and Unallocated
Segment Reporting Information [Line Items]
Depreciation and amortization		(29)	(32)
Stock-based compensation		$ (29)	(26)
Restructuring and other related reorganization costs			$ (9)

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

[2] Includes allocated corporate general and administrative costs of $16 million and $18 million and Tripadvisor-branded advertising expenses (primarily television advertising) of $1 million and $4 million for the three months ended March 31, 2021 and 2020, respectively.