Quarterly report pursuant to Section 13 or 15(d)

Tracking Stock (Details)

v3.2.0.727
Tracking Stock (Details)
$ / shares in Units, $ in Millions
 6 Months Ended
Oct. 13, 2014
Apr. 11, 2014
Jun. 30, 2015
USD ($)
item
$ / shares
shares
Dec. 31, 2014
USD ($)
shares
Oct. 20, 2014
shares
Jun. 30, 2014
USD ($)
Dec. 31, 2013
USD ($)
Targeted or Tracking Stock, Stock [Line Items]              
Number of tracking stocks | item     2        
Cash and cash equivalents     $ 2,589 $ 2,306   $ 1,244 $ 902
FTD              
Targeted or Tracking Stock, Stock [Line Items]              
Equity Method Investment, Ownership Percentage       35.00%      
QVC Group Common Stock              
Targeted or Tracking Stock, Stock [Line Items]              
Cash and cash equivalents     $ 497 $ 422   690 595
QVC Group Common Stock | HSN, Inc.              
Targeted or Tracking Stock, Stock [Line Items]              
Equity Method Investment, Ownership Percentage     38.00%        
QVC Group Common Stock | Common Class A              
Targeted or Tracking Stock, Stock [Line Items]              
Common Stock, Shares, Issued | shares     435,767,426 447,451,702      
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     $ 2,092 $ 1,884   $ 554 $ 307
Expected Investment in Liberty Broadband     $ 2,400        
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 | FTD              
Targeted or Tracking Stock, Stock [Line Items]              
Equity Method Investment, Ownership Percentage     36.00%        
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     134,629,854 134,525,874      
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