Basis of Presentation - Additional Information (Details) $ / shares in Units, $ in Millions		1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 29, 2025 USD ($) $ / shares shares	May 31, 2025 USD ($)	Mar. 31, 2025 USD ($)	Jun. 30, 2025 USD ($) Country shares	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) Country Subsidiary shares	Jun. 30, 2024 USD ($)	Dec. 31, 2024 Country Restaurant shares	Apr. 28, 2025 $ / shares	Mar. 20, 2025 USD ($)
Description Of Business And Basis Of Presentation [Line Items]
Number of countries | Country				40		40
Description of user-generated reviews and opinions across broad base of global travel-related businesses								Tripadvisor offered more than 1 billion user-generated reviews and opinions on over 9 million experiences, accommodations, restaurants, airlines, and cruises.
Common stock, shares issued | shares				118,858,327		118,858,327		153,655,038
Amount allocated to treasury stock				$ 40.0	$ 25.0	$ 40.0	$ 25.0
Net operating loss carryforwards retained related to merger						$ 13.0	$ 0.0
China
Description Of Business And Basis Of Presentation [Line Items]
Number of operating subsidiaries | Subsidiary						1
TheFork
Description Of Business And Basis Of Presentation [Line Items]
Number of Restaurants | Restaurant								55,000
Number of countries related to The Fork operates | Country								11
Class B Common Stock
Description Of Business And Basis Of Presentation [Line Items]
Common stock, shares issued | shares				0		0		12,799,999
Liberty Tripadvisor Holdings, Inc.
Description Of Business And Basis Of Presentation [Line Items]
TRIP loan facility	$ 327.0
Common stock issued and outstanding aggregate amount	$ 20.0
Percentage of Series A cumulative redeemable preferred stock	8.00%
Common stock, shares issued | shares	3,037,959
Fair value of common shares issued	$ 39.0
Closing stock price | $ / shares									$ 12.82
Percentage of exchangeable senior debentures	0.50%
Exchangeable senior debentures in amount		$ 4.0	$ 326.0
Amount allocated to treasury stock	$ 437.0
Beneficially ownership of shares of common stock | shares	26,800,000
Beneficially ownership of shares of common stock | shares	26,800,000
Liberty Tripadvisor Holdings, Inc. | Term Loan Facility
Description Of Business And Basis Of Presentation [Line Items]
TRIP loan facility										$ 327.0
Liberty Tripadvisor Holdings, Inc. | Class B Common Stock
Description Of Business And Basis Of Presentation [Line Items]
Beneficially ownership of shares of common stock | shares	12,800,000
Liberty Tripadvisor Holdings, Inc. | Common Stock [Member]
Description Of Business And Basis Of Presentation [Line Items]
Aggregate transaction value	$ 19.0
Net operating loss carryforwards retained related to merger	$ 13.0
Beneficially ownership of shares of common stock | shares	14,000,000
Aggregate cash repurchased	$ 431.0
Liberty Tripadvisor Holdings, Inc. | Merger [Member]
Description Of Business And Basis Of Presentation [Line Items]
Stock issued and outstanding paid in cash	$ 42.5
Liberty Tripadvisor Holdings, Inc. | Merger [Member] | Common Stock [Member]
Description Of Business And Basis Of Presentation [Line Items]
Common stock per share in cash after merger | $ / shares	$ 0.2567