Segment and Geographic Information - Summary of Segment Information (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Segment Reporting Information [Line Items]
Total Revenue	[1]	$ 1,835		$ 1,788		$ 1,492
Cost of sales		128	[2],[3]	119	[3]	78
Marketing		729	[3]	705	[3]	576
Personnel (exclusive of stock-based compensation as shown separately below)		475	[3]	474	[3]	415
Technology		91	[3]	80	[3]	63
General and administrative		73	[3],[4]	76	[3],[5]	65	[6]
Adjusted EBITDA		339		334		295
Depreciation and amortization		(85)		(87)		(97)
Stock-based compensation		(120)		(96)		(88)
Restructuring and other related reorganization costs	[7]	(21)		(22)
Legal reserves, settlements and other		(18)	[8]			(1)
Transaction related expenses	[9]	(3)		(3)
Other non-recurring expenses (income)	[10]					(8)
Operating income (loss)		92		126		101
Other income (expense), net		(5)		(1)		(34)
Income (loss) before income taxes		87		125		67
(Provision) benefit for income taxes		(82)		(115)		(47)
Net income (loss)		5		10		20
Third-Party
Segment Reporting Information [Line Items]
Total Revenue		1,835		1,788		1,492
Intersegment
Segment Reporting Information [Line Items]
Total Revenue		0		0		0
Reportable Segments | Brand Tripadvisor
Segment Reporting Information [Line Items]
Total Revenue	[1],[11]	949		1,031		966
Cost of sales	[11]	33	[2],[3]	31	[3]	20
Marketing	[11]	251	[3]	279	[3]	260
Personnel (exclusive of stock-based compensation as shown separately below)	[11]	266	[3]	273	[3]	249
Technology	[11]	54	[3]	50	[3]	42
General and administrative	[11]	44	[3],[4]	50	[3],[5]	50	[6]
Adjusted EBITDA	[11]	301		348		345
Restructuring and other related reorganization costs	[7],[11]	(18)		(10)
Reportable Segments | Viator
Segment Reporting Information [Line Items]
Total Revenue	[1],[12]	840		737		493
Cost of sales	[12]	80	[2],[3]	79	[3]	51
Marketing	[12]	562	[3]	519	[3]	351
Personnel (exclusive of stock-based compensation as shown separately below)	[12]	126	[3]	110	[3]	81
Technology	[12]	25	[3]	18	[3]	9
General and administrative	[12]	14	[3],[4]	11	[3],[5]	12	[6]
Adjusted EBITDA	[12]	33		0		(11)
Restructuring and other related reorganization costs	[7],[12]	(2)		(3)
Reportable Segments | TheFork
Segment Reporting Information [Line Items]
Total Revenue	[1],[13]	181		154		126
Cost of sales	[13]	15	[2],[3]	9	[3]	7
Marketing	[13]	51	[3]	41	[3]	58
Personnel (exclusive of stock-based compensation as shown separately below)	[13]	83	[3]	91	[3]	85
Technology	[13]	12	[3]	12	[3]	12
General and administrative	[13]	15	[3],[4]	15	[3],[5]	3	[6]
Adjusted EBITDA	[13]	5		(14)		(39)
Restructuring and other related reorganization costs	[7],[13]	(1)		(9)
Reportable Segments | Third-Party | Brand Tripadvisor
Segment Reporting Information [Line Items]
Total Revenue	[11]	814		897		873
Reportable Segments | Third-Party | Viator
Segment Reporting Information [Line Items]
Total Revenue	[12]	840		737		493
Reportable Segments | Third-Party | TheFork
Segment Reporting Information [Line Items]
Total Revenue	[13]	181		154		126
Reportable Segments | Intersegment | Brand Tripadvisor
Segment Reporting Information [Line Items]
Total Revenue	[11]	135		134		93
Reportable Segments | Intersegment | Viator
Segment Reporting Information [Line Items]
Total Revenue	[12]	0		0		0
Reportable Segments | Intersegment | TheFork
Segment Reporting Information [Line Items]
Total Revenue	[13]	0		0		0
Corporate and Eliminations
Segment Reporting Information [Line Items]
Total Revenue		(135)		(134)		(93)
Cost of sales		0	[2],[3]	0	[3]	0
Marketing		(135)	[3]	(134)	[3]	(93)
Personnel (exclusive of stock-based compensation as shown separately below)		0	[3]	0	[3]	0
Technology		0	[3]	0	[3]	0
General and administrative		0	[3],[4]	0	[3],[5]	0	[6]
Adjusted EBITDA		0		0		0
Depreciation and amortization		(85)		(87)		(97)
Stock-based compensation		(120)		(96)		(88)
Restructuring and other related reorganization costs	[7]			0
Legal reserves, settlements and other		(18)	[8]			(1)
Transaction related expenses	[9]	(3)		(3)
Other non-recurring expenses (income)	[10]					(8)
Corporate and Eliminations | Third-Party
Segment Reporting Information [Line Items]
Total Revenue		0		0		0
Corporate and Eliminations | Intersegment
Segment Reporting Information [Line Items]
Total Revenue		$ (135)		$ (134)		$ (93)

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

[2] Exclusive of $2 million and $1 million in the Brand Tripadvisor and Viator segments, respectively, which are included separately below in legal reserves, settlements and other.

[3] The significant segment expense categories and amounts align with the segment-level information that is regularly provided to our CODM.

[4] Exclusive of $18 million in the Brand Tripadvisor segment which is included separately below in legal reserves, settlements and other and transaction related expenses.

[5] Exclusive of $3 million in the Viator segment which is included separately below in transaction related expenses.

[6] Exclusive of $8 million in the Brand Tripadvisor segment which is included separately below in other non-recurring expenses (income).

[7] Refer to “Note 7: Accrued Expenses and Other Current Liabilities” for information regarding restructuring and other related reorganization costs.

[8] This amount primarily includes an estimated accrual for the potential settlement of a regulatory related matter of $10 million expensed during 2024 and is reflected in general and administrative expenses on our consolidated statement of operations. Refer to "Note 11: Commitments and Contingencies" for further information. In addition, this amount includes a one-time charge of $3 million during the year ended December 31, 2024, resulting from enacted tax legislation in Canada during June 2024 related to digital service taxes, which requires retrospective application back to January 1, 2022. This amount represents the one-time retrospective liability for the periods prior to April 1, 2024, while all prospective periods are and will be included within adjusted EBITDA, respectively. This cost is reflected in cost of sales on our consolidated statement of operations.

[9] The Company expensed certain transaction related costs of $3 million during both the years ended December 31, 2024 and 2023, to general and administrative expenses on our consolidated statements of operations.

[10] The Company incurred a loss of approximately $8 million during the fourth quarter of 2022, as the result of external fraud. This loss was recorded to general and administrative expenses on the consolidated statement of operations for December 31, 2022. The Company considers such costs to be non-recurring in nature.

[11] Certain personnel costs of $7 million, $6 million and $5 million for the years ended December 31, 2024, 2023 and 2022, respectively, were allocated to the Viator and TheFork segments.

[12] Includes allocated certain personnel costs from the Brand Tripadvisor segment of $3 million, $3 million and $2 million for the years ended December 31, 2024, 2023 and 2022, respectively.

[13] Includes allocated certain personnel costs from the Brand Tripadvisor segment of $4 million, $3 million and $3 million for the years ended December 31, 2024, 2023 and 2022, respectively.