Segment and Geographic Information - Summary of Segment Information (Parenthetical) (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
		Dec. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
General and administrative			$ 91	$ 79	$ 74
Estimated potential settlement of a regulatory matter			10
Canada digital service tax			3
Transaction costs	[1]		3	3
Loss related to external fraud		$ 8
General and Administrative
Segment Reporting Information [Line Items]
Estimated potential settlement of a regulatory matter			10
Transaction costs			3	3
Brand Tripadvisor
Segment Reporting Information [Line Items]
General and administrative			7	6	5
Cost of sales			2
Legal reserves settlements and other			18
Other non-recurring expenses (income)					8
Viator
Segment Reporting Information [Line Items]
General and administrative			3	3	2
Cost of sales			1
Transaction related expenses				3
TheFork
Segment Reporting Information [Line Items]
General and administrative			$ 4	$ 3	$ 3

[1] The Company expensed certain transaction related costs of $3 million during both the years ended December 31, 2024 and 2023, to general and administrative expenses on our consolidated statements of operations.