Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Dec. 31, 2016
Jan. 31, 2017
Jun. 30, 2016
Entity Registrant Name Liberty TripAdvisor Holdings, Inc.    
Entity Central Index Key 0001606745    
Document Type 10-K    
Document Period End Date Dec. 31, 2016    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1.5
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Series A      
Entity Common Stock, Shares Outstanding   72,072,899  
Series B      
Entity Common Stock, Shares Outstanding   2,929,777