Quarterly report pursuant to Section 13 or 15(d)

Tracking Stocks - Additional Information (Details)

v3.20.2
Tracking Stocks - Additional Information (Details)
$ / shares in Units, $ in Millions
6 Months Ended
Jul. 14, 2020
$ / shares
Jun. 05, 2020
USD ($)
shares
May 18, 2020
$ / shares
shares
Jun. 30, 2020
USD ($)
$ / shares
shares
Apr. 22, 2020
$ / shares
shares
Apr. 21, 2020
shares
Dec. 31, 2019
USD ($)
$ / shares
Nov. 26, 2019
Dec. 31, 2018
Mar. 06, 2018
Jan. 23, 2017
Aug. 17, 2016
Oct. 17, 2013
Tracking Stocks                          
Cash and cash equivalents | $       $ 3,999     $ 1,222            
Proceeds from issuance of stock | $   $ 754   754                  
Liberty SiriusXM Group                          
Tracking Stocks                          
Cash and cash equivalents | $       1,924                  
Proceeds from issuance of stock | $       $ 754                  
Liberty SiriusXM Group | Braves Group                          
Tracking Stocks                          
Investment Owned, Balance, Shares | shares       2,292,037 2,300,000                
Percentage ownership       3.80%                  
Liberty SiriusXM Group | Formula One Group                          
Tracking Stocks                          
Investment Owned, Balance, Shares | shares         5,300,000                
Liberty SiriusXM Group | Common Class A                          
Tracking Stocks                          
Common stock, par or stated value per share | $ / shares       $ 0.01 $ 0.01   $ 0.01            
Liberty SiriusXM Group | Common Class B                          
Tracking Stocks                          
Common stock, par or stated value per share | $ / shares       0.01 0.01   0.01            
Liberty SiriusXM Group | Common Class C                          
Tracking Stocks                          
Common stock, par or stated value per share | $ / shares       $ 0.01 $ 0.01   0.01            
Rights offering shares distributed per share held | shares     0.0939                    
Stock subscription price | $ / shares     $ 25.47                    
Percentage discount on stock subscriptions     20                    
Rights offering trading period     3 days                    
Rights offering shares issued | shares   29,594,089                      
Braves Group                          
Tracking Stocks                          
Cash and cash equivalents | $       $ 308                  
Braves Group | Common Class A                          
Tracking Stocks                          
Common stock, par or stated value per share | $ / shares       $ 0.01     0.01            
Braves Group | Common Class B                          
Tracking Stocks                          
Common stock, par or stated value per share | $ / shares       0.01     0.01            
Braves Group | Common Class C                          
Tracking Stocks                          
Common stock, par or stated value per share | $ / shares       $ 0.01     0.01            
Formula One Group                          
Tracking Stocks                          
Cash and cash equivalents | $       $ 1,767                  
Formula One Group | Braves Group                          
Tracking Stocks                          
Investment Owned, Balance, Shares | shares       6,792,903   9,084,940              
Percentage ownership       11.30%                  
Formula One Group | Common Class A                          
Tracking Stocks                          
Common stock, par or stated value per share | $ / shares       $ 0.01     0.01            
Formula One Group | Common Class B                          
Tracking Stocks                          
Common stock, par or stated value per share | $ / shares       0.01     0.01            
Formula One Group | Common Class C                          
Tracking Stocks                          
Common stock, par or stated value per share | $ / shares       $ 0.01     $ 0.01            
2.125% Exchangeable Senior Debentures Due 2048 | Liberty SiriusXM Group                          
Tracking Stocks                          
Debt instrument interest rate (as a percent)       2.125%           2.125%      
2.75% Exchangeable Senior Debentures Due 2049 | Liberty SiriusXM Group                          
Tracking Stocks                          
Debt instrument interest rate (as a percent)       2.75%       2.75%          
1.375% Cash Convertible Senior Notes Due 2023                          
Tracking Stocks                          
Debt instrument interest rate (as a percent)                         1.375%
1.375% Cash Convertible Senior Notes Due 2023 | Liberty SiriusXM Group                          
Tracking Stocks                          
Debt instrument interest rate (as a percent)       1.375% 1.375%                
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                          
Tracking Stocks                          
Debt instrument interest rate (as a percent)                 2.25%        
2.25% Exchangeable Senior Debentures due 2048 | Liberty SiriusXM 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%        
Sirius XM Holdings                          
Tracking Stocks                          
Payments of Dividends | $       $ 117                  
Dividend paid to parent company | $       $ 84                  
Common Stock, Dividends, Per Share, Declared | $ / shares $ 0.01331                        
Sirius XM Holdings | Formula One Group                          
Tracking Stocks                          
Investment Owned, Balance, Shares | shares       5,271,475                  
Percentage ownership       2.20%                  
Sirius XM Holdings | Liberty SiriusXM Group                          
Tracking Stocks                          
Cash and cash equivalents | $       $ 1,770                  
Formula 1 | Formula One Group                          
Tracking Stocks                          
Cash and cash equivalents | $       324                  
Braves Holdings | Braves Group                          
Tracking Stocks                          
Cash and cash equivalents | $       $ 230