v3.5.0.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2016
Jul. 15, 2016
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q2  
Trading Symbol EXPE  
Entity Registrant Name EXPEDIA, INC.  
Entity Central Index Key 0001324424  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   136,915,806
Class B Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   12,799,999