Revenue Recognition - Reconciliation of Disaggregated Revenue to Segment Revenue (Details) - USD ($) $ in Millions		3 Months Ended				6 Months Ended
		Jun. 30, 2025		Jun. 30, 2024		Jun. 30, 2025	Jun. 30, 2024
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	$ 529		$ 497		$ 927	$ 892
Intersegment Eliminations
Disaggregation Of Revenue [Line Items]
Total Revenue	[1],[2]	(37)		(39)		(61)	(66)
Brand Tripadvisor | Reportable Segments
Disaggregation Of Revenue [Line Items]
Total Revenue	[1],[3]	242		250		461	490
Viator | Reportable Segments
Disaggregation Of Revenue [Line Items]
Total Revenue	[1],[4]	270		244		426	385
TheFork | Reportable Segments
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	54	[5]	42	[5]	101	83
Tripadvisor-Branded Hotels | Brand Tripadvisor | Reportable Segments
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	152		150		300	309
Media and advertising | Brand Tripadvisor | Reportable Segments
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	36		41		66	73
Trip Advisor Experiences And Dining | Brand Tripadvisor | Reportable Segments
Disaggregation Of Revenue [Line Items]
Total Revenue	[1],[2]	45		48		75	84
Other | Brand Tripadvisor | Reportable Segments
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	$ 9		$ 11		$ 20	$ 24

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

[2] Tripadvisor experiences and dining revenue within the Brand Tripadvisor segment is shown gross of intersegment (intercompany) revenue, which is eliminated on a consolidated basis. See “Note 12: Segment Information” for a discussion of intersegment revenue for all periods presented.

[3] Corporate general and administrative personnel costs of $2 million and $4 million for both the three and six months ended June 30, 2025 and 2024, respectively, were allocated to the Viator and TheFork segments.

[4] Includes allocated corporate general and administrative personnel costs from our Brand Tripadvisor segment of $1 million and $2 million for both the three and six months ended June 30, 2025 and 2024, respectively.

[5] Includes allocated corporate general and administrative personnel costs from our Brand Tripadvisor segment of $1 million and $2 million for both the three and six months ended June 30, 2025 and 2024, respectively.