Cost of sales included in legal reserves, settlements and other.

No definition available.

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

- Definition

Decrease In Estimated Potential Settlement Of A Regulatory Matter

+ References

No definition available.

+ Details

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

- Definition

Estimated potential settlement of a regulatory matter.

+ References

No definition available.

+ Details

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

- Definition

General and administrative and cost of sales included in legal reserves, settlements and other.

+ References

No definition available.

+ Details

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

- Definition

General and administrative included in transaction related expenses.

+ References

No definition available.

+ Details

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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

Name:	trip_NonRecurringPaymentRelatedToCanadaDigitalServiceTax
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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Subparagraph (k)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479105/946-220-45-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(6))
-SubTopic 10
-Topic 220
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_LegalFees
Namespace Prefix:	us-gaap_
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

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- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Balance Type:
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- Details

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Segment Information - Summary of Segment Information (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
General and administrative	$ 13	$ 21		$ 31	$ 50
Estimated potential settlement of a regulatory matter				6
Canada digital service tax		4
Viator
Segment Reporting Information [Line Items]
General and administrative	2	4		2	4
Cost of sales		2
TheFork
Segment Reporting Information [Line Items]
General and administrative	2	4		2	4
Brand Tripadvisor
Segment Reporting Information [Line Items]
General and administrative	1	2		1	2
Legal reserves settlements and other					$ 13
Cost of sales		2
Transaction related expenses		$ 2
Corporate and Eliminations \| Brand Tripadvisor
Segment Reporting Information [Line Items]
Legal reserves, settlements and other				$ (4)
General and Administrative
Segment Reporting Information [Line Items]
Estimated potential settlement of a regulatory matter			$ 10
Decrease in estimated potential settlement of a regulatory matter	$ 4