Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.3.0.814
Document And Entity Information - shares
9 Months Ended
Sep. 30, 2015
Oct. 31, 2015
Entity Registrant Name Liberty Interactive Corp  
Entity Central Index Key 0001355096  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Sep. 30, 2015  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Entity Current Reporting Status Yes  
QVC Group Common Stock | Common Class A    
Entity Common Stock, Shares Outstanding   467,611,468
QVC Group Common Stock | Common Class B    
Entity Common Stock, Shares Outstanding   29,223,910
Liberty Ventures common stock | Common Class A    
Entity Common Stock, Shares Outstanding   134,782,953
Liberty Ventures common stock | Common Class B    
Entity Common Stock, Shares Outstanding   7,092,111