Annual report pursuant to Section 13 and 15(d)

Stock Options and Other Share-Based Awards Stock Options and Other Share- Based Awards (Stock Options Activity) (Details)

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Stock Options and Other Share-Based Awards Stock Options and Other Share- Based Awards (Stock Options Activity) (Details) - Liberty Incentive Plan - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Exercisable at December 31, 2018      
Intrinsic value of options exercised during period $ 2,000 $ 20,000 $ 32,000
QRTEA      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding at beginning of the year (in shares) 14,653,589    
Granted (in shares) 2,217,707    
Exercised (in shares) (335,581)    
Forfeited (in shares) (3,491,762)    
Outstanding at end of the year (in shares) 13,043,953 14,653,589  
Weight average exercise price      
Outstanding at beginning of year (in dollars per share) $ 24.46    
Granted (in dollars per share) 12.59    
Exercised (in dollars per share) 16.34    
Forfeited (in dollars per share) 21.35    
Outstanding at ending of year (in dollars per share) $ 23.49 $ 24.46  
Additional Stock Option Disclosures      
Aggregate intrinsic value (000s)   $ 8,353  
Weighted average remaining life (years) 4 years 4 years 5 months  
Exercisable at December 31, 2018      
Options (in shares) 7,636,365    
Weighted average exercise price (in dollars per share) $ 25.05    
Weighted average remaining life (years) 3 years 2 months    
Weighted average grant date fair value of options granted during period $ 4.08 $ 8.52 $ 7.86