v2.4.0.8
Document and Entity Information Document (USD $)
In Billions, except Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Aug. 01, 2014
Jun. 30, 2013
Document Information [Line Items]      
Entity Registrant Name Priceline Group Inc.    
Entity Central Index Key 0001075531    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Document Type 10-Q    
Document Period End Date Jun. 30, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus Q2    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   52,447,706  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 32.8