Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Narrative) (Details)

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Stockholders' Equity (Narrative) (Details)
Oct. 13, 2014
Apr. 11, 2014
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Jun. 30, 2015
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Jun. 02, 2015
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Dec. 31, 2014
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Oct. 20, 2014
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Class of Stock [Line Items]            
Preferred Stock, Shares Issued     0   0  
Capital stock designated as common stock       8,965,000,000    
Capital stock authorized for issuance       9,015,000,000    
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     435,767,426   447,451,702  
Common Stock, Shares, Outstanding     435,767,426   447,451,702  
Shares reserved for future issuance upon exercise of stock options     26,100,000      
Outstanding options     26,131,000   24,900,000  
Common Class A | Liberty Ventures common stock            
Class of Stock [Line Items]            
Common stock, shares authorized     400,000,000   200,000,000  
Common Stock, Shares, Issued     134,629,854   134,525,874  
Common Stock, Shares, Outstanding     134,629,854   134,525,874  
Shares reserved for future issuance upon exercise of stock options     4,400,000      
Stock split, conversion ratio   2        
Outstanding options     4,368,000   3,997,000  
Stock split, dividends   1        
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     29,252,683   28,877,554  
Common Stock, Shares, Outstanding     29,252,683   28,877,554  
Shares reserved for future issuance upon exercise of stock options     778,000      
Outstanding options     778,000   1,044,000  
Common Class B | Liberty Ventures common stock            
Class of Stock [Line Items]            
Common stock, shares authorized     15,000,000   7,500,000  
Common Stock, Shares, Issued     7,092,111   6,991,127  
Common Stock, Shares, Outstanding     7,092,111   6,991,127  
Shares reserved for future issuance upon exercise of stock options     1,500,000      
Stock split, conversion ratio   2        
Outstanding options     1,542,000   1,507,000  
Stock split, dividends   1        
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 Class C | Liberty Ventures common stock            
Class of Stock [Line Items]            
Common stock, shares authorized     400,000,000      
Common Stock, Shares, Outstanding     0      
Reattribution Transaction | Liberty Ventures common stock            
Class of Stock [Line Items]            
Common Stock, Shares, Issued           67,700,000
Liberty Ventures common stock | Reattribution Transaction | QVC Group Common Stock            
Class of Stock [Line Items]            
Ratio applied to the reattribution 0.14217