Estimated potential settlement of a regulatory matter.

No definition available.

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

- Definition

Represents a one-time charge resulting from enacted tax legislation in Canada during June 2024 related to digital services taxes, which requires retrospective application back to January 1, 2022. This amount represents the non-recurring retrospective liability for the periods prior to April 1, 2024.

+ References

No definition available.

+ Details

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

- Definition

Previously Capitalized Transaction Costs Non Recurring Expense

+ References

No definition available.

+ Details

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

- Definition

Transaction costs non recurring expense.

+ References

No definition available.

+ Details

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

- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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Balance Type:
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- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=trip_TheForkMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=trip_BrandTripadvisorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Segment Information - Summary of Segment Information (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
General and administrative	$ 56		$ 47		$ 112	$ 96
Estimated potential settlement of a regulatory matter					10
Canada digital service tax	4
Viator
Segment Reporting Information [Line Items]
General and administrative	1		1		2	1
TheFork
Segment Reporting Information [Line Items]
General and administrative	1		1		2	2
Brand Tripadvisor
Segment Reporting Information [Line Items]
General and administrative	2		$ 2		4	$ 3
General and Administrative
Segment Reporting Information [Line Items]
Transaction costs	$ 2				$ 3
Estimated potential settlement of a regulatory matter		$ 10
Capitalized Transaction Cost				$ 3