Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v2.4.0.6
Document And Entity Information
9 Months Ended
Sep. 30, 2012
Oct. 31, 2012
Liberty Interactive [Member]
Common Class A [Member]
Oct. 31, 2012
Liberty Interactive [Member]
Common Class B [Member]
Oct. 31, 2012
Liberty Ventures [Member]
Common Class A [Member]
Oct. 31, 2012
Liberty Ventures [Member]
Common Class B [Member]
Entity Registrant Name Liberty Interactive Corporation        
Entity Central Index Key 0001355096        
Current Fiscal Year End Date --12-31        
Entity Filer Category Large Accelerated Filer        
Entity Common Stock, Shares Outstanding   514,845,576 28,945,353 34,966,386 1,448,416
Document Type 10-Q        
Amendment Flag false        
Document Period End Date Sep. 30, 2012        
Document Fiscal Year Focus 2012        
Document Fiscal Period Focus Q3        
Entity Well-known Seasoned Issuer Yes        
Entity Voluntary Filers No        
Entity Current Reporting Status Yes