Segment and Geographic Information - Summary of Segment Information (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
General and administrative		$ 191	$ 172	$ 167
Loss related to external fraud	$ 8
General and Administrative
Segment Reporting Information [Line Items]
Capitalized Transaction Cost		3
Brand Tripadvisor
Segment Reporting Information [Line Items]
General and administrative		6	5	6
Viator
Segment Reporting Information [Line Items]
General and administrative		3	2	3
TheFork
Segment Reporting Information [Line Items]
General and administrative		$ 3	$ 3	$ 3