Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.10.0.1
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2018
Jul. 16, 2018
Entity Registrant Name Liberty TripAdvisor Holdings, Inc.  
Entity Central Index Key 0001606745  
Document Type 10-Q  
Document Period End Date Jun. 30, 2018  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2  
Series A    
Entity Common Stock, Shares Outstanding   72,129,470
Series B    
Entity Common Stock, Shares Outstanding   2,929,777