| Document and Entity Information | Nov. 08, 2021 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001526520 |
| Document Type | 8-K |
| Document Period End Date | Nov. 8, 2021 |
| Entity Registrant Name | TRIPADVISOR, INC. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-35362 |
| Entity Tax Identification Number | 80-0743202 |
| Entity Address, Address Line One | 400 1st Avenue |
| Entity Address, City or Town | Needham |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 02494 |
| City Area Code | (781) |
| Local Phone Number | 800-5000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock |
| Trading Symbol | TRIP |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
