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Commitments And Contingencies - Additional Information (Details) $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Estimated potential settlement of a regulatory matter	$ 10

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- Definition

Estimated potential settlement of a regulatory matter.

+ References

No definition available.

+ Details

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

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- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration