Annual report pursuant to Section 13 and 15(d)

Tracking Stocks (Narrative) (Details)

v3.6.0.2
Tracking Stocks (Narrative) (Details)
$ / shares in Units, $ in Millions
1 Months Ended
Sep. 07, 2016
agreement
item
May 16, 2016
shares
Jun. 30, 2016
USD ($)
Jun. 16, 2016
$ / shares
shares
May 11, 2016
Jan. 23, 2017
Dec. 31, 2016
USD ($)
shares
Oct. 27, 2016
Apr. 15, 2016
shares
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Targeted or Tracking Stock, Stock [Line Items]                        
Number of tracking stock groups                 3      
Cash and cash equivalents             $ 562     $ 201 $ 681 $ 1,088
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             287     112 148 135
Liberty 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             107     13 11 57
Liberty Braves Group | Common Class C                        
Targeted or Tracking Stock, Stock [Line Items]                        
Number of subscription rights received for each share of common stock held | shares   0.47                    
Share Price | $ / shares       $ 12.80                
Percentage discount on stock subscriptions         20              
Pre rights offering trading period         18 days              
Stock Issued During Period, Shares, Period Increase (Decrease) | shares       15,833,634                
Liberty Formula One 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      
Cash and cash equivalents             $ 168     76 $ 522 $ 896
Liberty Braves Group | Liberty Formula One Group                        
Targeted or Tracking Stock, Stock [Line Items]                        
Percentage ownership             15.50%   20.00%      
Investment Owned, Balance, Shares | shares             9,084,940          
Formula 1                        
Targeted or Tracking Stock, Stock [Line Items]                        
Cash and cash equivalents             $ 168          
Investment ownership percentage 20.00%                      
SIRIUS XM | Liberty Sirius XM Group                        
Targeted or Tracking Stock, Stock [Line Items]                        
Cash and cash equivalents             $ 214          
Intergroup note | Liberty Braves Group                        
Targeted or Tracking Stock, Stock [Line Items]                        
Line of Credit Facility, Maximum Borrowing Capacity                   $ 165    
Intergroup note | Liberty Braves Group                        
Targeted or Tracking Stock, Stock [Line Items]                        
Repayments of Lines of Credit     $ 150                  
Delta Topco                        
Targeted or Tracking Stock, Stock [Line Items]                        
Number of stock purchase agreements | item 2                      
Interest acquired (as a percent) 20.00%         100.00%            
Diluted investment ownership percentage               19.10%        
Business Acquisition, Percentage of Voting Interests Acquired 20.00%         100.00%            
Delta Topco | Maximum                        
Targeted or Tracking Stock, Stock [Line Items]                        
Interest acquired (as a percent) 20.00%                      
Business Acquisition, Percentage of Voting Interests Acquired 20.00%                      
Delta Topco | Formula 1                        
Targeted or Tracking Stock, Stock [Line Items]                        
Number of stock purchase agreements | agreement 2                      
Interest acquired (as a percent)               100.00%        
Diluted investment ownership percentage               19.10%        
Business Acquisition, Percentage of Voting Interests Acquired               100.00%