v2.4.0.6
Document and Entity Information Document
9 Months Ended
Sep. 30, 2012
Oct. 26, 2012
Document Information [Line Items]    
Document Period End Date Sep. 30, 2012  
Document Fiscal Year Focus 2012  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Fiscal Period Focus Q3  
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   49,865,461
Entity Current Reporting Status Yes