Annual report pursuant to Section 13 and 15(d)

Basis of Presentation (Details)

v3.20.4
Basis of Presentation (Details)
$ in Millions
1 Months Ended 12 Months Ended
Dec. 18, 2020
Aug. 06, 2020
shares
Dec. 31, 2019
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
GCI Liberty Inc          
Business combination shares issued ratio 0.580        
Liberty          
Reimbursable amount       $ 4.9 $ 54.2
Liberty | CEO          
CEO compensation allocation percentage     18.00%    
Employment agreement term     5 years    
Annual base salary     $ 3.0    
One-time cash commitment bonus     5.0    
Annual target cash performance bonus     17.0    
Annual equity awards     17.5    
Upfront awards     $ 90.0    
Qurate Retail          
Tax sharing receivable       119.0  
Qurate Retail | Other current assets          
Tax sharing receivable       $ 24.0  
Series A and B common stock | GCI Liberty Inc          
Business combination shares issued ratio   0.58      
Series A Cumulative Redeemable Preferred Stock          
Number of shares received | shares   1