Segment Information - Summary of Segment Information (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
General and administrative	$ 56	$ 48
Estimated potential settlement of a regulatory matter	10
Viator
Segment Reporting Information [Line Items]
General and administrative	2	2
TheFork
Segment Reporting Information [Line Items]
General and administrative	2	2
Brand Tripadvisor
Segment Reporting Information [Line Items]
General and administrative	1	1
General and Administrative
Segment Reporting Information [Line Items]
Estimated potential settlement of a regulatory matter	10
Transaction costs	$ 1
Capitalized Transaction Cost		$ 3