Revenue Recognition - Reconciliation of Disaggregated Revenue to Segment Revenue (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	$ 417	$ 235	$ 679	$ 358
Intersegment eliminations
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	(25)	(7)	(36)	(9)
Other
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	14	11	24	18
Tripadvisor Core
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	274	184	465	291
Viator
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	136	40	192	52
The Fork
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	32	18	58	24
Tripadvisor-Branded Hotels | Tripadvisor Core
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	188	131	322	205
Tripadvisor-Branded Display and Platform | Tripadvisor Core
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	37	26	63	40
Tripadvisor-Experiences and Dining | Tripadvisor Core
Disaggregation Of Revenue [Line Items]
Total Revenue	[1],[2]	$ 35	$ 16	$ 56	$ 28

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

[2] Tripadvisor experiences and dining revenue within the Tripadvisor Core segment are shown gross of intersegment (intercompany) revenue, which is eliminated on a consolidated basis. See “Note 13: Segment Information” for a discussion of intersegment revenue for all periods presented.