Annual report pursuant to Section 13 and 15(d)

Basis of Presentation (Details)

v3.20.4
Basis of Presentation (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
May 23, 2018
Mar. 09, 2018
item
Basic of presentation          
Number Of Tracking Stock | item         2
Costs associated with QRG Initiatives     $ 41    
Liberty          
Basic of presentation          
Related Party Transaction, Amounts of Transaction $ 9 $ 8 $ 8    
Liberty Media Corporation and Liberty Broadband Corporation          
Basic of presentation          
Tax sharing payable $ 129 $ 95      
QVC common stock          
Basic of presentation          
Share exchange ratio       1  
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