Revenue Recognition - Reconciliation of Disaggregated Revenue to Segment Revenue (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	$ 902	$ 604	$ 1,560
Hotels, Media & Platform
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	549	361	939
Experiences & Dining Segment
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	307	186	456
Other
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	46	57	165
Tripadvisor-Branded Hotels | Hotels, Media & Platform
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	452	292	779
Tripadvisor-Branded Display and Platform | Hotels, Media & Platform
Disaggregation Of Revenue [Line Items]
Total Revenue	[1]	$ 97	$ 69	$ 160

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