Quarterly report pursuant to Section 13 or 15(d)

Tracking Stock (Details)

v3.3.0.814
Tracking Stock (Details)
$ / shares in Units, $ in Millions
 9 Months Ended
Oct. 01, 2015
USD ($)
$ / shares
shares
Oct. 13, 2014
Apr. 11, 2014
Sep. 30, 2015
USD ($)
item
$ / shares
shares
Dec. 31, 2014
USD ($)
shares
Oct. 20, 2014
shares
Sep. 30, 2014
USD ($)
Dec. 31, 2013
USD ($)
Targeted or Tracking Stock, Stock [Line Items]                
Number of tracking stocks | item       2        
Cash and cash equivalents       $ 2,546 $ 2,306   $ 1,606 $ 902
zulily                
Targeted or Tracking Stock, Stock [Line Items]                
Business Combination, Consideration Transferred $ 2,200              
Business Acquisition, Share Price | $ / shares $ 9.375              
Business Acquisition, Cost of Acquired Entity, Cash Paid $ 1,200              
QVC Group Common Stock                
Targeted or Tracking Stock, Stock [Line Items]                
Cash and cash equivalents       $ 512 $ 422   733 595
QVC Group Common Stock | HSN, Inc.                
Targeted or Tracking Stock, Stock [Line Items]                
Equity Method Investment, Ownership Percentage       38.00%        
QVC Group Common Stock | zulily                
Targeted or Tracking Stock, Stock [Line Items]                
Shares issued for acquisition per shares acquired 0.3098              
QVC Group Common Stock | Common Class A                
Targeted or Tracking Stock, Stock [Line Items]                
Common Stock, Shares, Issued | shares 38,500,000     430,983,268 447,451,702      
QVC Group Common Stock | Reattribution Transaction | Liberty Ventures common stock                
Targeted or Tracking Stock, Stock [Line Items]                
Ratio applied to the reattribution   0.14217            
Liberty Ventures common stock                
Targeted or Tracking Stock, Stock [Line Items]                
Cash and cash equivalents       $ 2,034 $ 1,884   $ 873 $ 307
Price per share of Liberty Broadband Series C common stock | $ / shares       $ 56.23        
Liberty Broadband subscription agreements       $ 4,400        
Limit on investment in Liberty Broadband       25.00%        
Liberty Ventures common stock | Common Class A                
Targeted or Tracking Stock, Stock [Line Items]                
Stockholders' Equity Note, Stock Split, Conversion Ratio     2          
Common Stock, Shares, Issued | shares       134,711,938 134,525,874      
Liberty Ventures common stock | Reattribution Transaction                
Targeted or Tracking Stock, Stock [Line Items]                
Common Stock, Shares, Issued | shares           67,700,000    
Liberty Broadband | Liberty Ventures common stock                
Targeted or Tracking Stock, Stock [Line Items]                
Expected Liberty Broadband investment in Charter stock       $ 4,300        
Maximum | Liberty Ventures common stock                
Targeted or Tracking Stock, Stock [Line Items]                
Expected Investment in Liberty Broadband       $ 2,400