Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.3.0.814
Document and Entity Information - shares
 9 Months Ended
Sep. 30, 2015
Oct. 31, 2015
Entity Registrant Name Liberty TripAdvisor Holdings, Inc.  
Entity Central Index Key 0001606745  
Document Type 10-Q  
Document Period End Date Sep. 30, 2015  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3  
Series A    
Entity Common Stock, Shares Outstanding   71,887,993
Series B    
Entity Common Stock, Shares Outstanding   2,929,777