Annual report pursuant to Section 13 and 15(d)

Basis of Presentation (Details)

v3.19.3.a.u2
Basis of Presentation (Details)
shares in Millions, $ in Millions
12 Months Ended
Dec. 29, 2017
shares
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
May 23, 2018
Mar. 09, 2018
item
Basic of presentation            
Number Of Tracking Stock | item           2
Costs associated with QRG Initiatives     $ 41      
LMC            
Basic of presentation            
Related Party Transaction, Amounts of Transaction   $ 8 8 $ 11    
GCI Liberty            
Basic of presentation            
Tax sharing payable   $ 95 $ 114      
HSN, Inc.            
Basic of presentation            
Business Acquisition, Percentage of Voting Interests Acquired 62.00%          
HSN, Inc. | Common Class A            
Basic of presentation            
Business Acquisition Equity Interests Issued or Issuable Number Of Shares Issued Per Shares Acquired 1.65          
Stock Issued During Period Shares Acquisitions | shares 53.6          
QVC common stock            
Basic of presentation            
Share exchange ratio         1  
QVC common stock | HSN, Inc. | Common Class A            
Basic of presentation            
Business Acquisition Equity Interests Issued or Issuable Number Of Shares Issued Per Shares Acquired 1.65          
Stock Issued During Period Shares Acquisitions | shares 53.6          
Liberty Ventures common stock | Common Class A            
Basic of presentation            
Spilt-Off redemption ratio           1
Liberty Ventures common stock | Common Class B            
Basic of presentation            
Spilt-Off redemption ratio           1
HSN, Inc. | Transfer to entity under common control | QVC            
Basic of presentation            
Ownership interest in investee     100.00%