Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.21.1
Basis of Presentation (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Basic of presentation      
Amount Of Deficit Reclassified To Retained Earnings $ 49    
Liberty Media Corporation      
Basic of presentation      
Related Party Transaction, Amounts of Transaction $ 2 $ 3  
Liberty Media Corporation | CEO      
Basic of presentation      
CEO compensation allocation percentage 17.00%    
Liberty Media Corporation and Liberty Broadband Corporation      
Basic of presentation      
Tax sharing payable $ 121   $ 129