Commitments And Contingencies - Additional Information (Details) $ in Millions	6 Months Ended
Jun. 30, 2024 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Estimated potential settlement of a regulatory matter	$ 10

Estimated potential settlement of a regulatory matter.

No definition available.

Name:	trip_EstimatedPotentialSettlementOfARegulatoryMatter
Namespace Prefix:	trip_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration