Annual report pursuant to Section 13 and 15(d)

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

v3.19.3.a.u2
Stock Options and Other Share-Based Awards Stock Options and Other Share- Based Awards (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation $ 39 $ 46 $ 39
Liberty Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost related to options $ 28    
Unrecognized compensation cost, period for recognition 2 years    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value $ 16 37 10
Liberty Incentive Plan | Stock options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation 22 28 29
Liberty Incentive Plan | Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation $ 17 $ 18 $ 10
Unrecognized compensation cost, period for recognition 2 years 7 months    
Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount $ 31    
Liberty Incentive Plan | QRTEA      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in dollars per share) $ 16.83 $ 26.23 $ 22.49
HSN, Inc.      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Ownership Percentage by Parent   100.00%