Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Narrative) (Details)

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Stockholders' Equity (Narrative) (Details) - shares
Mar. 31, 2016
Dec. 31, 2015
Common Class A | QVC Group Common Stock    
Class of Stock [Line Items]    
Common stock, shares authorized 4,000,000,000 4,000,000,000
Common Stock, Shares, Issued 452,916,772 461,379,963
Common Stock, Shares, Outstanding 452,916,772 461,379,963
Shares reserved for future issuance upon exercise of stock options 32,500,000  
Common Class A | Liberty Ventures common stock    
Class of Stock [Line Items]    
Common stock, shares authorized 400,000,000 400,000,000
Common Stock, Shares, Issued 135,039,558 134,961,466
Common Stock, Shares, Outstanding 135,039,558 134,961,466
Shares reserved for future issuance upon exercise of stock options 3,600,000  
Common Class B | QVC Group Common Stock    
Class of Stock [Line Items]    
Common stock, shares authorized 150,000,000 150,000,000
Common Stock, Shares, Issued 29,367,060 29,218,527
Common Stock, Shares, Outstanding 29,367,060 29,218,527
Shares reserved for future issuance upon exercise of stock options 1,500,000  
Common Class B | Liberty Ventures common stock    
Class of Stock [Line Items]    
Common stock, shares authorized 15,000,000 15,000,000
Common Stock, Shares, Issued 7,103,609 7,092,111
Common Stock, Shares, Outstanding 7,103,609 7,092,111
Shares reserved for future issuance upon exercise of stock options 1,700,000  
Common Class C | QVC Group Common Stock    
Class of Stock [Line Items]    
Common stock, shares authorized 4,000,000,000  
Common Stock, Shares, Issued 0  
Common Stock, Shares, Outstanding 0  
Common Class C | Liberty Ventures common stock    
Class of Stock [Line Items]    
Common stock, shares authorized 400,000,000  
Common Stock, Shares, Issued 0  
Common Stock, Shares, Outstanding 0