v2.4.0.6
Document and Entity Information Document (USD $)
In Billions, except Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Aug. 01, 2013
Jun. 30, 2012
Document Information [Line Items]      
Document Period End Date Jun. 30, 2013    
Document Fiscal Year Focus 2013    
Entity Filer Category Large Accelerated Filer    
Document Type 10-Q    
Document Fiscal Period Focus Q2    
Entity Registrant Name PRICELINE COM INC    
Entity Central Index Key 0001075531    
Current Fiscal Year End Date --12-31    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   51,500,530  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 32.8