Segment Information - Summary of Segment Information (Details) - USD ($) $ in Millions		3 Months Ended			6 Months Ended
		Jun. 30, 2024		Jun. 30, 2023	Jun. 30, 2024		Jun. 30, 2023
Segment Reporting Information [Line Items]
Total Revenue	[1]	$ 497		$ 494	$ 892		$ 865
Adjusted EBITDA		97		90	143		123
Depreciation and amortization		(21)		(21)	(42)		(42)
Stock-based compensation		(34)		(25)	(61)		(48)
Legal reserves and settlements		(4)	[2]		(14)	[3]
Restructuring and other related reorganization costs					(1)
Non-recurring income (expense)		(2)	[4]		(3)	[4]	(3)	[5]
Operating income (loss)		36		44	22		30
Other income (expense), net		2		0	0		(1)
Income (loss) before income taxes		38		44	22		29
(Provision) benefit for income taxes		(14)		(20)	(57)		(78)
Net income (loss)	[6]	24		24	(35)		(49)
Intersegment
Segment Reporting Information [Line Items]
Total Revenue		0		0	0		0
Third-Party
Segment Reporting Information [Line Items]
Total Revenue		497		494	892		865
Reportable Segments | Brand Tripadvisor
Segment Reporting Information [Line Items]
Total Revenue	[1],[7]	250		279	490		523
Adjusted EBITDA	[7]	84		96	161		168
Legal reserves and settlements	[7]	0	[2]		0	[3]
Restructuring and other related reorganization costs	[7]				0
Reportable Segments | Viator
Segment Reporting Information [Line Items]
Total Revenue	[1],[8]	244		216	385		331
Adjusted EBITDA	[8]	10		(2)	(18)		(31)
Legal reserves and settlements	[8]	0	[2]		0	[3]
Restructuring and other related reorganization costs	[8]				0
Reportable Segments | TheFork
Segment Reporting Information [Line Items]
Total Revenue	[1],[9]	42		38	83		73
Adjusted EBITDA	[9]	3		(4)	0		(14)
Legal reserves and settlements	[9]	0	[2]		0	[3]
Restructuring and other related reorganization costs	[9]				(1)
Reportable Segments | Intersegment | Brand Tripadvisor
Segment Reporting Information [Line Items]
Total Revenue	[7]	39		39	66		62
Reportable Segments | Intersegment | Viator
Segment Reporting Information [Line Items]
Total Revenue	[8]	0		0	0		0
Reportable Segments | Intersegment | TheFork
Segment Reporting Information [Line Items]
Total Revenue	[9]	0		0	0		0
Reportable Segments | Third-Party | Brand Tripadvisor
Segment Reporting Information [Line Items]
Total Revenue	[7]	211		240	424		461
Reportable Segments | Third-Party | Viator
Segment Reporting Information [Line Items]
Total Revenue	[8]	244		216	385		331
Reportable Segments | Third-Party | TheFork
Segment Reporting Information [Line Items]
Total Revenue	[9]	42		38	83		73
Corporate and Eliminations
Segment Reporting Information [Line Items]
Total Revenue		(39)		(39)	(66)		(62)
Adjusted EBITDA		0		0	0		0
Depreciation and amortization		(21)		(21)	(42)		(42)
Stock-based compensation		(34)		(25)	(61)		(48)
Legal reserves and settlements		(4)	[2]		(14)	[3]
Restructuring and other related reorganization costs					0
Non-recurring income (expense)		(2)	[4]		(3)	[4]	(3)	[5]
Corporate and Eliminations | Intersegment
Segment Reporting Information [Line Items]
Total Revenue		(39)		(39)	(66)		(62)
Corporate and Eliminations | Third-Party
Segment Reporting Information [Line Items]
Total Revenue		$ 0		$ 0	$ 0		$ 0

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

[2] Represents a one-time charge of $4 million during the second quarter of 2024, resulting from enacted tax legislation in Canada during June 2024 related to digital services taxes, which requires retrospective application back to January 1, 2022, reflected in general and administrative expenses on our unaudited condensed consolidated statement of operations. This amount represents the one-time retrospective liability for the periods prior to April 1, 2024, while the liability for the three months ended June 30, 2024 and all prospective periods are and will be included within adjusted EBITDA, respectively.

[3] Includes a one-time charge of $4 million during the second quarter of 2024, resulting from enacted tax legislation in Canada during June 2024 related to digital services taxes, which requires retrospective application back to January 1, 2022, as noted above. In addition, this amount includes an estimated accrual for the potential settlement of a regulatory related matter of $10 million, expensed during the first quarter of 2024. Refer to "Note 9: Commitments and Contingencies" for further information. These costs are reflected in general and administrative expenses on our unaudited condensed consolidated statement of operations.

[4] The Company expensed certain transaction related costs of $2 million and $3 million during the three and six months ended June 30, 2024, respectively, to general and administrative expenses on our unaudited condensed consolidated statement of operations. The Company considers such costs to be non-recurring in nature.

[5] The Company expensed $3 million of previously capitalized transaction related costs during the first quarter of 2023 to general and administrative expenses on our unaudited condensed consolidated statement of operations. The Company considers such costs to be non-recurring in nature

[6] Interest expense, net of taxes, related to the 2026 Senior Notes which was included in the Diluted EPS calculation for both the three months ended June 30, 2024 and 2023 was not material

[7] Corporate general and administrative personnel costs of $2 million and $4 million for the three and six months ended June 30, 2024, respectively, and $2 million and $3 million for the three and six months ended June 30, 2023, respectively, were allocated to the Viator and TheFork segments.

[8] Includes allocated corporate general and administrative personnel costs from our Brand Tripadvisor segment of $1 million and $2 million for the three and six months ended June 30, 2024, respectively, and $1 million for both the three and six months ended June 30, 2023.

[9] Includes allocated corporate general and administrative personnel costs from our Brand Tripadvisor segment of $1 million and $2 million for the three and six months ended June 30, 2024, respectively, and $1 million and $2 million for the three and six months ended June 30, 2023, respectively.