Quarterly report pursuant to Section 13 or 15(d)

Tracking Stocks (Details)

v3.19.2
Tracking Stocks (Details) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Jul. 16, 2019
Jun. 30, 2019
Dec. 31, 2018
Mar. 06, 2018
Jan. 23, 2017
Aug. 17, 2016
Oct. 17, 2013
Tracking Stocks              
Cash and cash equivalents   $ 697 $ 358        
Liberty Sirius XM Group              
Tracking Stocks              
Cash and cash equivalents   236          
Braves Group              
Tracking Stocks              
Cash and cash equivalents   127          
Formula One Group              
Tracking Stocks              
Cash and cash equivalents   334          
SIRIUS XM Holdings              
Tracking Stocks              
Payments of Dividends   113          
Dividend paid to parent company   77          
Common stock, dividends declared $ 0.0121            
SIRIUS XM Holdings | Liberty Sirius XM Group              
Tracking Stocks              
Cash and cash equivalents   $ 215          
Formula 1 | Braves Group | Common Class C              
Tracking Stocks              
Investment Owned, Balance, Shares   9,084,940          
Percentage ownership   15.10%          
Formula 1 | Formula One Group              
Tracking Stocks              
Cash and cash equivalents   $ 276          
Braves Holdings | Braves Group              
Tracking Stocks              
Cash and cash equivalents   $ 41          
2.125% Exchangeable Senior Debentures Due 2048 | Liberty Sirius XM Group              
Tracking Stocks              
Debt instrument interest rate (as a percent)   2.125%   2.125%      
1.375% Cash Convertible Senior Notes Due 2023 | Formula One Group              
Tracking Stocks              
Debt instrument interest rate (as a percent)   1.375%         1.375%
1% Cash Convertible Notes Due 2023 | Formula One Group              
Tracking Stocks              
Debt instrument interest rate (as a percent)   1.00%     1.00%    
2.25% Exchangeable Senior Debentures due 2046 | Formula One Group              
Tracking Stocks              
Debt instrument interest rate (as a percent)   2.25%       2.25%  
2.25% Exchangeable Senior Debentures due 2048 | Formula One Group              
Tracking Stocks              
Debt instrument interest rate (as a percent)   2.25% 2.25%