Document and Entity Information	6 Months Ended
Jun. 30, 2011	Jul. 29, 2011
Document and Entity Information
Entity Registrant Name	PRICELINE COM INC
Entity Central Index Key	0001075531
Document Type	10-Q
Document Period End Date	Jun. 30, 2011
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		49,769,877
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2

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End date of current fiscal year in the format --MM-DD.

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The type of document being provided (such as 10-K, 10-Q, N-1A, etc). The document type should be limited to the same value as the supporting SEC submission type. The acceptable values are as follows: S-1, S-3, S-4, S-11, F-1, F-3, F-4, F-9, F-10, 6-K, 8-K, 10, 10-K, 10-Q, 20-F, 40-F, N-1A, 485BPOS, NCSR, N-Q, and Other.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation 12B
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-Subsection 1

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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