v2.4.0.6
Document and Entity Information (USD $)
12 Months Ended
Dec. 31, 2010
Jun. 30, 2010
Jan. 28, 2011
Common stock
Jan. 28, 2011
Class B common stock
Document Type 10-K      
Amendment Flag false      
Document Period End Date Dec. 31, 2010      
Document Fiscal Year Focus 2010      
Document Fiscal Period Focus FY      
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      
Entity Common Stock, Shares Outstanding     248,460,933 25,599,998
Entity Public Float   $ 3,853,956,000    
Entity Voluntary Filers No      
Entity Current Reporting Status Yes      
Entity Well-known Seasoned Issuer Yes