Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Narrative (Details)

v3.7.0.1
Long-Term Debt - Narrative (Details)
1 Months Ended 6 Months Ended 12 Months Ended
Jul. 05, 2017
USD ($)
Jun. 27, 2017
USD ($)
Jan. 23, 2017
USD ($)
$ / shares
Jan. 20, 2017
USD ($)
Nov. 08, 2016
USD ($)
Oct. 31, 2016
USD ($)
Aug. 17, 2016
USD ($)
$ / shares
shares
Jun. 16, 2016
$ / shares
shares
Apr. 15, 2016
shares
Apr. 14, 2016
USD ($)
$ / shares
Oct. 31, 2016
USD ($)
Jun. 30, 2017
USD ($)
$ / shares
shares
Jun. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Jul. 31, 2017
USD ($)
Oct. 17, 2013
USD ($)
Debt Instrument [Line Items]                                
Long-term Debt                       $ 13,524,000,000   $ 8,018,000,000    
Borrowings of debt                       2,597,000,000 $ 1,453,000,000      
Repayments of Long-term Debt                       $ 1,791,000,000 816,000,000      
Sirius XM Senior Secured Revolving Credit Facility                                
Debt Instrument [Line Items]                                
Debt instrument, unused borrowing capacity, fee, percent                       0.25%        
Line of Credit Facility, Remaining Borrowing Capacity                       $ 750,000,000        
A1.375 Cash Convertible Senior Notes Due 2023                                
Debt Instrument [Line Items]                                
Debt face amount                               $ 1,000,000,000
Debt Instrument, Interest Rate, Stated Percentage                               1.375%
Debt instrument interest rate                               1.375%
$750 million term loan due Oct 2018                                
Debt Instrument [Line Items]                                
Debt face amount           $ 250,000,000         $ 250,000,000          
Effective interest rate                       2.90%        
Line of Credit Facility, Maximum Borrowing Capacity           $ 500,000,000         $ 500,000,000          
$750 million term loan due Oct 2018 | Revolving Credit Facility                                
Debt Instrument [Line Items]                                
Line of Credit Facility, Remaining Borrowing Capacity                       $ 500,000,000        
Sirius XM Senior Secured Revolving Credit Facility                                
Debt Instrument [Line Items]                                
Effective interest rate                       2.91%        
Sirius X M 4.25 Senior Notes Due 2020                                
Debt Instrument [Line Items]                                
Repayments of Long-term Debt   $ 510,000,000                            
Loss on extinguishment of debt   $ 8,000,000                            
Debt Instrument, Redemption Price, Percentage   101.063%                            
Sirius XM 5.75% Senior Notes Due 2021 [Member]                                
Debt Instrument [Line Items]                                
Repayments of Long-term Debt $ 618,000,000                              
Loss on extinguishment of debt $ 21,000,000                              
Debt Instrument, Redemption Price, Percentage 102.875%                              
Sirius XM 3.875% Senior Notes due 2022                                
Debt Instrument [Line Items]                                
Debt face amount                             $ 1,000,000,000  
Debt Instrument, Interest Rate, Stated Percentage                             3.875%  
Debt instrument interest rate                             3.875%  
Sirius XM 5.00% Senior Notes due 2027                                
Debt Instrument [Line Items]                                
Debt face amount                             $ 1,500,000,000  
Debt Instrument, Interest Rate, Stated Percentage                             5.00%  
Debt instrument interest rate                             5.00%  
Liberty 1% Cash Convertible Notes Due 2023                                
Debt Instrument [Line Items]                                
Debt face amount     $ 450,000,000                          
Debt Instrument, Interest Rate, Stated Percentage     1.00%                          
Debt instrument, face amount per debenture     $ 1,000                          
Borrowings of debt     $ 450,000,000                          
Debt instrument interest rate     1.00%                          
Live Nation Margin Loan                                
Debt Instrument [Line Items]                                
Debt face amount         $ 500,000,000                      
Borrowings of debt       $ 350,000,000                   0    
Debt Instrument, Description of Variable Rate Basis         LIBOR                      
Debt Instrument, Basis Spread on Variable Rate         2.25%                      
Effective interest rate                       3.40%        
Debt instrument, unused borrowing capacity, fee, percent         0.75%                      
Line of Credit Facility, Remaining Borrowing Capacity                       $ 150,000,000        
Debt Instrument, Term         2 years                      
Line of Credit Facility, Maximum Borrowing Capacity         $ 500,000,000                      
SIRIUS XM | $750 million margin loan due 2018                                
Debt Instrument [Line Items]                                
Shares Pledged As Collateral Under Loan | shares                       1,138,400,000        
Share value                       $ 6,227,000,000        
Live Nation | Live Nation Margin Loan                                
Debt Instrument [Line Items]                                
Shares Pledged As Collateral Under Loan | shares                       53,700,000        
Share value                       $ 1,873,000,000        
Formula 1                                
Debt Instrument [Line Items]                                
Consideration payable     $ 400,000,000                          
Formula 1 | Liberty 1% Cash Convertible Notes Due 2023                                
Debt Instrument [Line Items]                                
Consideration payable     $ 400,000,000                          
Viacom, Inc. | Live Nation Margin Loan                                
Debt Instrument [Line Items]                                
Shares Pledged As Collateral Under Loan | shares                       1,900,000        
Share value                       $ 62,000,000        
SIRIUS XM | Sirius XM Senior Secured Revolving Credit Facility | Sirius XM Senior Secured Revolving Credit Facility                                
Debt Instrument [Line Items]                                
Line of Credit Facility, Maximum Borrowing Capacity                       $ 1,750,000,000        
Common Class A | 1.375% Convertible Notes Bond Hedge Transaction                                
Debt Instrument [Line Items]                                
Securities Basket price per share | $ / shares                       $ 53.33        
Common Class A | Warrant transaction                                
Debt Instrument [Line Items]                                
Securities Basket price per share | $ / shares                       $ 53.33        
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares               $ 61.16                
Liberty Media Corporation | A1.375 Cash Convertible Senior Notes Due 2023                                
Debt Instrument [Line Items]                                
Debt instrument, face amount per debenture                   $ 1,000            
Liberty Media Corporation | $750 million term loan due Oct 2018                                
Debt Instrument [Line Items]                                
Debt Instrument, Description of Variable Rate Basis                     LIBOR          
Debt Instrument, Basis Spread on Variable Rate                     1.75%          
Debt instrument, unused borrowing capacity, fee, percent           0.75%                    
Liberty Media Corporation | 2.25% Exchangeable Senior Debentures due 2046 | Senior Notes                                
Debt Instrument [Line Items]                                
Debt face amount             $ 445,000,000                  
Debt Instrument, Interest Rate, Stated Percentage             2.25%                  
Debt instrument interest rate             2.25%                  
Liberty Media Corporation | Time Warner, Inc. | 2.25% Exchangeable Senior Debentures due 2046                                
Debt Instrument [Line Items]                                
Shares underlying the debentures | shares             4,250,000                  
Liberty Media Corporation | Time Warner, Inc. | 2.25% Exchangeable Senior Debentures due 2046 | Senior Notes                                
Debt Instrument [Line Items]                                
Exchange Price of Shares Attributable to Debentures | $ / shares             $ 104.55                  
Liberty Media Corporation | Common Class A | A1.375 Cash Convertible Senior Notes Due 2023                                
Debt Instrument [Line Items]                                
Debt Instrument, Convertible, Conversion Ratio                   21.0859            
conversion price for exchangeable debt | $ / shares                   $ 47.43            
Liberty Sirius XM Group                                
Debt Instrument [Line Items]                                
Long-term Debt                       $ 6,717,000,000   6,107,000,000    
Number of tracking stock shares received in the Recapitalization for one share of Liberty Media common stock | shares                 1              
Borrowings of debt                       980,000,000 1,387,000,000      
Repayments of Long-term Debt                       376,000,000 744,000,000      
Liberty Sirius XM Group | Sirius XM Senior Secured Revolving Credit Facility                                
Debt Instrument [Line Items]                                
Long-term Debt                       1,000,000,000   390,000,000    
Liberty Sirius XM Group | Common Class A                                
Debt Instrument [Line Items]                                
Securities basket conversion ratio from shares of Liberty Media Corporation common stock                 1.0              
Liberty Sirius XM Group | Common Class A | 1.375% Convertible Notes Bond Hedge Transaction                                
Debt Instrument [Line Items]                                
Forward contract, number of underlying shares | shares                 21,085,900              
Liberty Sirius XM Group | Common Class A | Warrant transaction                                
Debt Instrument [Line Items]                                
Class of Warrant or Right, Outstanding | shares                 21,085,900              
Braves Group                                
Debt Instrument [Line Items]                                
Long-term Debt                       502,000,000   328,000,000    
Number of tracking stock shares received in the Recapitalization for one share of Liberty Media common stock | shares                 0.1              
Borrowings of debt                       214,000,000 66,000,000      
Repayments of Long-term Debt                       42,000,000 71,000,000      
Braves Group | Common Class A                                
Debt Instrument [Line Items]                                
Securities basket conversion ratio from shares of Liberty Media Corporation common stock               0.1087 0.10              
Braves Group | Common Class A | 1.375% Convertible Notes Bond Hedge Transaction                                
Debt Instrument [Line Items]                                
Forward contract, number of underlying shares | shares               2,292,037 2,108,590              
Braves Group | Common Class A | Warrant transaction                                
Debt Instrument [Line Items]                                
Class of Warrant or Right, Outstanding | shares               2,292,037 2,108,590              
Formula One Group                                
Debt Instrument [Line Items]                                
Long-term Debt                       6,305,000,000   $ 1,583,000,000    
Borrowings of debt                       1,403,000,000        
Repayments of Long-term Debt                       $ 1,373,000,000 $ 1,000,000      
Formula One Group | Common Class A                                
Debt Instrument [Line Items]                                
Securities basket conversion ratio from shares of Liberty Media Corporation common stock                 0.25              
Formula One Group | Common Class A | 1.375% Convertible Notes Bond Hedge Transaction                                
Debt Instrument [Line Items]                                
Forward contract, number of underlying shares | shares                 5,271,475              
Formula One Group | Common Class A | Warrant transaction                                
Debt Instrument [Line Items]                                
Class of Warrant or Right, Outstanding | shares                 5,271,475              
Formula One Group | Common Class C | Liberty 1% Cash Convertible Notes Due 2023                                
Debt Instrument [Line Items]                                
Debt Instrument, Convertible, Conversion Ratio     27.1091                          
conversion price for exchangeable debt | $ / shares     $ 36.89                          
Liberty Media Group                                
Debt Instrument [Line Items]                                
Number of tracking stock shares received in the Recapitalization for one share of Liberty Media common stock | shares                 0.25