Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

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Basis of Presentation (Details)
$ in Millions
3 Months Ended
Dec. 31, 2020
USD ($)
Dec. 18, 2020
shares
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Liberty        
Reimbursable amount     $ 3.5 $ 1.1
Qurate Retail        
Tax sharing receivable $ 119.0   110.0  
Qurate Retail | Other current assets        
Tax sharing receivable $ 24.4   $ 23.7  
CEO | Liberty        
CEO compensation allocation percentage 18.00%      
Series A Cumulative Redeemable Preferred Stock        
Number of shares received | shares   1    
GCI Liberty Inc        
Business combination shares issued ratio   0.580