Quarterly report pursuant to Section 13 or 15(d)

Tracking Stocks (Narrative) (Details)

v3.7.0.1
Tracking Stocks (Narrative) (Details)
$ / shares in Units, $ in Millions
1 Months Ended
Apr. 25, 2017
$ / shares
Feb. 28, 2017
USD ($)
Jan. 24, 2017
$ / shares
Jun. 30, 2016
USD ($)
Jun. 16, 2016
$ / shares
shares
Mar. 31, 2017
USD ($)
shares
Jan. 23, 2017
Dec. 31, 2016
USD ($)
Oct. 27, 2016
Sep. 07, 2016
Apr. 15, 2016
shares
Mar. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Targeted or Tracking Stock, Stock [Line Items]                          
Number of tracking stock groups                     3    
Cash and cash equivalents           $ 1,071   $ 562       $ 602 $ 201
Liberty Sirius XM Group                          
Targeted or Tracking Stock, Stock [Line Items]                          
Number of tracking stock shares received in the Recapitalization for one share of Liberty Media common stock | shares                     1    
Cash and cash equivalents           330   287       102 112
Braves Group                          
Targeted or Tracking Stock, Stock [Line Items]                          
Number of tracking stock shares received in the Recapitalization for one share of Liberty Media common stock | shares                     0.1    
Cash and cash equivalents           115   107       44 13
Braves Group | Common Class C                          
Targeted or Tracking Stock, Stock [Line Items]                          
Share Price | $ / shares         $ 12.80                
Stock Issued During Period, Shares, Period Increase (Decrease) | shares         15,833,634                
Liberty Media Group                          
Targeted or Tracking Stock, Stock [Line Items]                          
Number of tracking stock shares received in the Recapitalization for one share of Liberty Media common stock | shares                     0.25    
Formula One Group                          
Targeted or Tracking Stock, Stock [Line Items]                          
Cash and cash equivalents           $ 626   168       $ 456 $ 76
Braves Group | Formula One Group                          
Targeted or Tracking Stock, Stock [Line Items]                          
Percentage ownership           15.50%         20.00%    
Investment Owned, Balance, Shares | shares           9,084,940              
Braves Group | Formula One Group | Common Class C                          
Targeted or Tracking Stock, Stock [Line Items]                          
Investment Owned, Balance, Shares | shares           9,084,940              
Formula 1                          
Targeted or Tracking Stock, Stock [Line Items]                          
Investment ownership percentage                   20.00%      
Interest acquired (as a percent)             100.00%            
Diluted investment ownership percentage                 19.10%        
Business Acquisition, Percentage of Voting Interests Acquired             100.00%            
Formula 1 | Formula One Group                          
Targeted or Tracking Stock, Stock [Line Items]                          
Investment ownership percentage                   20.00%      
Interest acquired (as a percent)           100.00%              
Diluted investment ownership percentage                 19.10%        
Business Acquisition, Percentage of Voting Interests Acquired           100.00%              
SIRIUS XM                          
Targeted or Tracking Stock, Stock [Line Items]                          
Common Stock, Dividends, Per Share, Declared | $ / shares $ 0.01   $ 0.01                    
Payments of Dividends   $ 47                      
Cash Dividends Paid to Parent Company   $ 32                      
SIRIUS XM | Liberty Sirius XM Group                          
Targeted or Tracking Stock, Stock [Line Items]                          
Cash and cash equivalents           $ 230              
Formula 1 | Formula One Group                          
Targeted or Tracking Stock, Stock [Line Items]                          
Cash and cash equivalents           $ 432              
Intergroup note | Braves Group                          
Targeted or Tracking Stock, Stock [Line Items]                          
Repayments of Lines of Credit       $ 150                  
Line of Credit Facility, Maximum Borrowing Capacity               $ 165