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) - QRTEA - Liberty Incentive Plan - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding at beginning of the year (in shares) 14,872,849  
Granted (in shares) 4,016,618  
Transferred from zulily (in shares) 2,785,968  
Exercised (in shares) (3,045,271)  
Forfeited (in shares) (3,976,575)  
Outstanding at end of the year (in shares) 14,653,589 14,872,849
Weight average exercise price    
Outstanding at beginning of year (in dollars per share) $ 24.53  
Granted (in dollars per share) 26.77  
Transferred from zulily (in dollars per share) 16.16  
Exercised (in dollars per share) 16.60  
Forfeited (in dollars per share) 27.25  
Outstanding at ending of year (in dollars per share) $ 24.46 $ 24.53
Additional Stock Option Disclosures    
Aggregate intrinsic value (000s) $ 8,353 $ 25,290
Weighted average remaining life (years) 4 years 5 months 5 years 1 month
Exercisable at December 31, 2018    
Options (in shares) 6,970,577  
Weighted average exercise price (in dollars per share) $ 23.85  
Aggregate intrinsic value (000s) $ 6,214  
Weighted average remaining life (years) 3 years 5 months