Quarterly report pursuant to Section 13 or 15(d)

Tracking Stocks (Details)

v3.19.3
Tracking Stocks (Details) - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended
Nov. 01, 2019
Sep. 30, 2019
Dec. 31, 2018
Mar. 06, 2018
Jan. 23, 2017
Aug. 17, 2016
Oct. 17, 2013
Tracking Stocks              
Cash and cash equivalents   $ 694 $ 358        
Liberty Sirius XM Group              
Tracking Stocks              
Cash and cash equivalents   133          
Braves Group              
Tracking Stocks              
Cash and cash equivalents   142          
Formula One Group              
Tracking Stocks              
Cash and cash equivalents   419          
SIRIUS XM Holdings              
Tracking Stocks              
Payments of Dividends   167          
Dividend paid to parent company   115          
Common stock, dividends declared $ 0.01331            
SIRIUS XM Holdings | Liberty Sirius XM Group              
Tracking Stocks              
Cash and cash equivalents   $ 79          
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   $ 354          
Braves Holdings | Braves Group              
Tracking Stocks              
Cash and cash equivalents   $ 57          
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%